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1 . 1 w m o n o l o w - v o l t a g e a u d i o p o w e r a m p l i f i e r c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 a n p e c r e s e r v e s t h e r i g h t t o m a k e c h a n g e s t o i m p r o v e r e l i a b i l i t y o r m a n u f a c t u r a b i l i t y w i t h o u t n o t i c e , a n d a d v i s e c u s t o m e r s t o o b t a i n t h e l a t e s t v e r s i o n o f r e l e v a n t i n f o r m a t i o n t o v e r i f y b e f o r e p l a c i n g o r d e r s . t h e a p a 0 7 1 0 i s a b r i d g e d - t i e d l o a d ( b t l ) o r s i n g l e d - e n d e d ( s e ) a u d i o p o w e r a m p l i f i e r d e v e l o p e d e s p e c i a l l y f o r l o w - v o l t a g e a p p l i c a t i o n s w h e r e i n t e r n a l s p e a k e r s a n d e x t e r n a l e a r p h o n e o p e r a t i o n a r e r e q u i r e d . t h e a p a 0 7 1 1 i s a n o n l y b t l a u d i o p o w e r a m p l i f i e r d e v e l o p e d e s p e c i a l l y f o r l o w - v o l t a g e a p p l i c a t i o n s w h e r e i n t e r n a l s p e a k e r s a r e r e q u i r e d . o p e r a t i n g w i t h a 5 v s u p p l y , t h e a p a 0 7 1 0 / 1 c a n d e l i v e r 1 . 1 w o f c o n t i n u o u s p o w e r i n t o a b t l 8 w l o a d a t 1 0 % t h d + n t h r o u g h o u t v o i c e b a n d f r e q u e n c i e s . a l t h o u g h t h i s d e v i c e i s c h a r a c t e r i z e d o u t t o 2 0 k h z , i t s o p e r a t i o n i s o p t i m i z e d f o r n a r r o w b a n d a p p l i c a t i o n s s u c h a s w i r e l e s s c o m m u n i c a t i o n s . t h e b t l c o n f i g u r a t i o n e l i m i n a t e s t h e n e e d f o r e x t e r n a l c o u p l i n g c a p a c i t o r s o n t h e o u t p u t i n m o s t a p p l i c a t i o n s , w h i c h i s p a r t i c u l a r l y i m p o r t a n t f o r s m a l l b a t - t e r y - p o w e r e d e q u i p m e n t . a n u n i q u e f e a t u r e o f t h e a p a 0 7 1 0 i s t h a t i t a l l o w s t h e a m p l i f i e r t o s w i t c h f r o m b t l t o s e o n t h e f l y w h e n a n e a r p h o n e d r i v e i s r e q u i r e d . t h i s e l i m i - n a t e s c o m p l i c a t e d m e c h a n i c a l s w i t c h i n g o r a u x i l i a r y d e - v i c e s j u s t t o d r i v e t h e e x t e r n a l l o a d . t h i s d e v i c e f e a t u r e s a s h u t d o w n m o d e f o r p o w e r - s e n s i t i v e a p p l i c a t i o n s w i t h s p e c i a l d e p o p c i r c u i t r y t o e l i m i n a t e s p e a k e r n o i s e w h e n e x i t i n g s h u t d o w n m o d e . t h e a p a 0 7 1 0 / 1 a r e a v a i l a b l e i n a n 8 - p i n s o p a n d 8 - p i n m s o p - p w i t h e n h a n c e d t h e r m a l p a d . o p e r a t i n g v o l t a g e : 2 . 6 v - 5 . 5 v a p a 0 7 1 0 c o m p a t i b l e w i t h t p a 7 1 1 a p a 0 7 1 1 c o m p a t i b l e w i t h t p a 7 5 1 b r i d g e - t i e d l o a d ( b t l ) o r s i n g l e - e n d e d ( s e ) m o d e s o p e r a t i o n ( f o r a p a 0 7 1 0 o n l y ) s u p p l y c u r r e n t ? i d d = 1 . 3 m a a t v d d = 5 v , b t l m o d e ? i d d = 0 . 9 m a a t v d d = 3 . 3 v , b t l m o d e l o w s h u t d o w n c u r r e n t ? i d d = 0 . 1 m a l o w d i s t o r t i o n ? 6 3 0 m w , a t v d d = 5 v , b t l , r l = 8 w t h d + n = 0 . 1 5 % ? 2 8 0 m w , a t v d d = 3 . 3 v , b t l , r l = 8 w t h d + n = 0 . 1 5 % o u t p u t p o w e r a t 1 % t h d + n ? 9 0 0 m w , a t v d d = 5 v , b t l , r l = 8 w ? 4 0 0 m w , a t v d d = 3 . 3 v , b t l , r l = 8 w a t 1 0 % t h d + n ? 1 . 1 w a t v d d = 5 v , b t l , r l = 8 w ? 4 8 0 m w a t v d d = 3 . 3 v , b t l , r l = 8 w d e p o p c i r c u i t r y i n t e g r a t e d t h e r m a l s h u t d o w n p r o t e c t i o n a n d o v e r c u r r e n t p r o t e c t i o n c i r c u i t r y h i g h s u p p l y v o l t a g e r i p p l e r e j e c t i o n s u r f a c e - m o u n t p a c k a g e ? 8 p i n m s o p - p ( w i t h e n h a n c e d t h e r m a l p a d ) p o w e r p a c k a g e a v a i l a b l e ? s o p - 8 p a c k a g e l e a d f r e e a n d g r e e n d e v i c e s a v a i l a b l e ( r o h s c o m p l i a n t ) f e a t u r e s g e n e r a l d e s c r i p t i o n a p p l i c a t i o n s m o b i l p h o n e s p d a s d i g i t a l c a m e r a p o r t a b l e e l e c t r o n i c d e v i c e s
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 o r d e r i n g a n d m a r k i n g i n f o r m a t i o n p i n c o n f i g u r a t i o n s o p - 8 a p a 0 7 1 0 s o p - 8 a p a 0 7 1 1 n c = n o i n t e r n a l c o n n e c t i o n = t h e r m a l p a d ( c o n n e c t e d t o g n d p l a n e f o r b e t t e r h e a t d i s s i p a t i o n ) m s o p - 8 - p a p a 0 7 1 0 a p a 0 7 1 1 m s o p - 8 - p note: anpec lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with rohs. anpec lead-free products meet or exceed the lead-free requirements of ipc/jedec j-std-020c for msl classification at lead-free peak reflow temperature. anpec defines ?green? to mean lead-free (rohs compliant) and halogen free (br or cl does not exceed 900ppm by weight in homogeneous material and total of br and cl does not exceed 1500ppm by weight). 1 2 3 4 5 6 7 8 shutdown bypass se/btl vo+ gnd vdd in vo- 1 2 3 4 5 6 7 8 shutdown bypass in+ vo+ gnd vdd in- vo- 1 2 3 4 5 6 7 8 shutdown bypass se/btl vo+ gnd vdd in vo- 1 2 3 4 5 6 7 8 shutdown bypass in+ vo+ gnd vdd in- vo- apa0710/1 handling code temperature range package code package code k : sop-8 xa : msop-8p operating ambient temperature range i : -40 to 85 c handling code tr : tape & reel assembly material l : lead free device g : halogen and lead free device apa0710/1 k : apa0710/1 xxxxx xxxxx - date code xxxxx - date code assembly material apa0710/1 xa : a0710/1 xxx xx
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 3 symbol parameter test conditions min. max. unit v dd supply voltage 2.6 5.5 v shutdown , shutdown 2.2 - v ih high - level voltage se/btl 0.9v dd - v shutdown , shutdown - 0.4 v il low - level voltage se/btl - 0.9v dd - 1 v r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s t h e r m a l c h a r a c t e r i s t i c s symbol parameter typical value unit q j a thermal resistance from junction to ambient in free air msop - 8 - p (note 4) sop - 8 5 0 160 c/w n o t e : 1 . a p a 0 7 1 0 / 1 i n t e g r a t e d i n t e r n a l t h e r m a l s h u t d o w n p r o t e c t i o n w h e n j u n c t i o n t e m p e r a t u r e r a m p u p t o 1 7 0 c 2 . h u m a n b o d y m o d e l : c = 1 0 0 p f , r = 1 5 0 0 w , 3 p o s i t i v e s p u l s e s p l u s 3 n e g a t i v e p u l s e s 3 . m a c h i n e m o d e l : c = 2 0 0 p f , l = 0 . 5 m f , 3 p o s i t i v e p u l s e s p l u s 3 n e g a t i v e p u l s e s a b s o l u t e m a x i m u m r a t i n g s ( n o t e 1 , 2 , 3 ) ( o v e r o p e r a t i n g f r e e - a i r t e m p e r a t u r e r a n g e u n l e s s o t h e r w i s e n o t e d . ) n o t e 4 : 3 . 4 2 i n 2 p r i n t e d c i r c u i t b o a r d w i t h 2 0 z t r a c e a n d c o p p e r t h r o u g h 6 v i a s o f 1 2 m i l d i a m e t e r v i a s . t h e t h e r m a l p a d o n t h e m s o p - 8 - p p a c k a g e w i t h s o l d e r o n t h e p r i n t e d c i r c u i t b o a r d . symbol parameter rating unit v dd supply voltage - 0.3 to 6 v v in input voltage range, shutdown, se/btl - 0.3 to v dd +0.3 v t a operating ambient temperature range - 40 to 85 c t j maximum junction temperature internally limited* 1 c t stg storage temperatur e range - 65 to +150 c t s maximum lead soldering temperature, 10 seconds 260 c p d power dissipation internally limited w
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 4 e l e c t r i c a l c h a r a c t e r i s t i c s e l e c t r i c a l c h a r a c t e r i s t i c s a t s p e c i f i e d f r e e - a i r t e m p e r a t u r e v d d = 3 . 3 v , t a = 2 5 c ( u n l e s s o t h e r w i s e n o t e d ) v d d = 5 v , t a = 2 5 c ( u n l e s s o t h e r w i s e n o t e d ) apa0710/1 symbol parameter test conditions min. typ. max. unit v os output o ffset v oltage r l = 8 w , r f = 10k w - - 20 mv btl mode, r f = 10k w - 1.3 2.6 i dd supply c urrent se mode, r f = 10k w - 0.75 1.5 m a i sd supply c urrent, s hutdown m ode r f = 10k w - 0.1 2 m a apa0710/1 symbol parameter test conditions min. typ. max. unit v os output o ffset v oltage r l = 8 w , r f = 10k w - - 20 mv btl mode, r f = 10k w - 0.9 1.8 i sd supply c urrent se mode, r f = 10k w - 0.55 1.1 m a i dd(sd) supply c urrent, s hutdown m ode r f = 10k w - 0.1 2 m a s hutdown, v i = v dd - - 1 s hutdown , v i = v dd - - 1 | ih se/btl, v i = v dd - - 1 m a s hutdown , v i = 0v - - 1 s hutdown , v i = 0v - - 1 | il se/btl, v i = 0v - - 1 m a operating characteristic, v dd = 3.3v, t a = 25 c , r l = 8 w thd+n = 1 %, btl mode, r l = 8 w - 400 - p o output p ower ( note 5 ) thd+n = 1 %, se mode, r l = 32 w - 40 - mw thd+n total h armonic d istortion plus n oise ( note 5 ) p o = 280 mw, btl mode, r l = 8 w - 0. 15 - % bom maximum output p ower b andwidth gain = 2, thd+n = 2% - 20 - khz b1 unity - g ain b andwidth open loop - 2 - mhz c b = 1 m f, btl mode , r l = 8 w - 74 - psrr power s upply r ejection r atio (note 5 ) c b = 1 m f, se mode , r l = 8 w - 61 - db v n noise o utput v oltage gain = 1, c b = 0.1 m f - 28 - m v(rms) t wu wake - up time c b = 1 m f - 380 - ms
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 5 apa0710/1 symbol parameter test conditions min. typ. max. unit s hutdown, v i = v dd - - 1 s hutdown , v i = v dd - - 1 i ih se/btl, v i = v dd - - 1 m a s hutdown , v i = 0v - - 1 s hutdown , v i = 0v - - 1 i il se/btl, v i = 0v - - 1 m a operating characteristic, v dd = 5 v, t a = 25 c , r l = 8 w thd+n = 1 %, btl mode, r l = 8 w - 900 - p o output p ower ( note 5 ) thd+n = 1 %, se mode, r l = 32 w - 94 - mw thd+n total h armonic d istortion plus n oise ( note 5 ) p o = 630 mw, btl mode, r l = 8 w - 0. 15 - % bom m aximum output p ower b andwidth gain = 2, thd+n = 2% - 20 - khz b1 unity - g ain b andwidth open loop - 2 - mhz c b = 1 m f, btl mode , r l = 8 w - 74 - psrr power s upply r ejection r atio (note 5 ) c b = 1 m f, se mode , r l = 8 w - 61 - db vn noise o utput v oltage gain = 1, c b = 0.1 m f - 28 - m v(rms) twu wake - up time c b = 1 m f - 400 - ms e l e c t r i c a l c h a r a c t e r i s t i c s ( c o n t . ) e l e c t r i c a l c h a r a c t e r i s t i c s a t s p e c i f i e d f r e e - a i r t e m p e r a t u r e ( c o n t . ) v d d = 5 v , t a = 2 5 c ( u n l e s s o t h e r w i s e n o t e d ) n o t e 5 : o u t p u t p o w e r i s m e a s u r e d a t t h e o u t p u t t e r m i n a l s o f d e v i c e a t f = 1 k h z . pin name no i/o function s hutdown 1 i shutdown mode control signal input, place entire ic in shutdown mode when held high. bypass 2 i bypass pin se/btl 3 i when se/btl is held low, the apa0710 is in btl mode. when se/btl is held high, the apa0710 is in se mode in 4 i in is the audio input terminal vo+ 5 o vo+ is the positive output for btl and se modes vdd 6 supply voltage input pin gnd 7 ground connection for circuitry vo - 8 o vo - is the negative output in btl mode and a high - impedance output in se mode p i n d e s c r i p t i o n a p a 0 7 1 0
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 6 p i n d e s c r i p t i o n ( c o n t . ) pin n ame no i/o function shutdown 1 i shutdown mode control signal input, place entire ic in shutdown mode when held low. bypass 2 i bypass pin in+ 3 i in+ is the non - inverting input. in+ is typically tied to the bypass terminal. in - 4 i in - is the inverting input. in - is typically used as the audio input terminal. vo+ 5 o vo+ is the positive btl output. vdd 6 supply voltage input pin. gnd 7 ground connection for circuitry. vo - 8 o vo - is the negative btl output. a p a 0 7 1 1 t y p i c a l a p p l i c a t i o n c i r c u i t f o r a p a 0 7 1 0 a p p l i c a t i o n + _ + _ c b 1 m f c i 0.47 m f r i from system control v dd cs c c 330 m f v dd /2 bypass shutdown se/btl 1 2 3 4 5 6 7 8 10 k w 100 k w 100 k w 1 k w v o+ vo- gnd in 0.1 m f bias control r f 10 k w v dd audio input v dd 1 m f gnd
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 7 t y p i c a l a p p l i c a t i o n c i r c u i t ( c o n t . ) f o r a p a 0 7 1 1 d i f f e r e n t i a l i n p u t a p p l i c a t i o n f o r a p a 0 7 1 1 a p p l i c a t i o n + _ + _ c b 1 m f c i 0.47 m f r i from system control v dd cs v dd /2 bypass shutdown in+ 1 2 3 4 5 6 7 8 10 k w vo+ vo- gnd in- bias control r f 10 k w audio input v dd 1 m f + _ + _ c b 1 m f c i 0.47 m f r i from system control v dd cs v dd /2 bypass shutdown in+ 1 2 3 4 5 6 7 8 10 k w vo+ vo- gnd in- bias control r f 10 k w audio input- v dd 1 m f audio input+ c i 0.47 m f 10 k w r i r f 10 k w
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 8 b l o c k d i a g r a m a p a 0 7 1 0 + _ + _ c b ci ri v dd cs c c v dd /2 bypass shutdown se/btl 1 2 3 4 5 6 7 8 vo+ vo- gnd in bias control rf audio input v dd from system control from hp jack + _ + _ c b ci ri v dd cs v dd /2 bypass shutdown 1 2 3 4 5 6 7 8 vo+ vo- gnd in- bias control rf audio input v dd apa0711 from system control in+
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 9 -100 +0 -80 -60 -40 -20 20k 10k 1k 100 20 -100 +0 -80 -60 -40 -20 20k 10k 1k 100 20 0 200 400 600 800 1000 1200 1400 1600 2.5 3 3.5 4 4.5 5 5.5 -100 +0 -80 -60 -40 -20 20 20k 100 1k 10k t t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s p s r r v s . f r e q u e n c y p s r r v s . f r e q u e n c y ripple rejection ration (db) ripple rejection ration (db) f r e q u e n c y ( h z ) f r e q u e n c y ( h z ) n o - c a p a c i t o r c b = 0 . 1 m f c b = 1 m f v d d = 3 . 3 v r l = 8 w s e v d d = 5 v r l = 8 w s e c b = 1 m f c b = 0 . 1 m f n o - c a p a c i t o r p s r r v s . f r e q u e n c y f r e q u e n c y ( h z ) ripple rejection ration (db) r l = 8 w c b = 1 m f b t l v d d = 3 . 3 v v d d = 5 v s u p p l y c u r r e n t v s . s u p p l y v o l t a g e s u p p l y v o l t a g e ( v ) supply current ( m a) r f = 1 0 k w b t l ( s e / b t l = 0 . 1 v d d ) s e ( s e / b t l = 0 . 9 v d d ) c b = 2 . 2 m f c b = 2 . 2 m f
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 0 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) 0.08 0.09 0.1 0.11 0.12 2.5 3 3.5 4 4.5 5 5.5 0 200 400 600 800 1000 1200 2.5 3 3.5 4 4.5 5 5.5 0 50 100 150 200 250 300 350 400 2.5 3 3.5 4 4.5 5 5.5 0 100 200 300 400 500 600 700 800 900 1000 8 16 24 32 40 48 56 64 s u p p l y c u r r e n t v s . s u p p l y v o l t a g e s u p p l y v o l t a g e ( v ) supply current (ua) r f = 1 0 k w s u p p l y v o l t a g e ( v ) output power (mw) t h d + n = 1 % f = 1 k h z b t l r l = 8 w r l = 3 2 w o u t p u t p o w e r v s . s u p p l y v o l t a g e s u p p l y v o l t a g e ( v ) output power (mw) o u t p u t p o w e r v s . s u p p l y v o l t a g e r l = 3 2 w r l = 8 w t h d + n = 1 % f = 1 k h z s e output power (mw) l o a d r e s i s t a n c e ( w ) o u t p u t p o w e r v s . l o a d r e s i s t a n c e t h d + n = 1 % f = 1 k h z b t l v d d = 5 v v d d = 3 . 3 v
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 1 0 50 100 150 200 250 300 350 8 16 24 32 40 48 56 64 0.01 10 0.1 1 20 20k 100 1k 10k 0.01 10 0.1 1 0 0.6 0.1 0.2 0.3 0.4 0.5 0.01 10 0.1 1 20 20k 100 1k 10k t h d + n v s . f r e q u e n c y t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) f r e q u e n c y ( h z ) v d d = 3 . 3 v p o = 2 5 0 m w r l = 8 w b t l a v = - 2 0 v / v a v = - 1 0 v / v a v = - 2 v / v v d d = 3 . 3 v f = 1 k h z a v = - 2 v / v b t l r l = 8 w t h d + n v s . o u t p u t p o w e r o u t p u t p o w e r ( w ) v d d = 3 . 3 v r l = 8 w a v = - 2 v / v b t l p o = 1 2 5 m w p o = 5 0 m w p o = 2 5 0 m w t h d + n v s . f r e q u e n c y f r e q u e n c y ( h z ) l o a d r e s i s t a n c e ( w ) output power (mw) o u t p u t p o w e r v s . l o a d r e s i s t a n c e t h d + n = 1 % f = 1 k h z s e v d d = 5 v v d d = 3 . 3 v thd+n (%) thd+n (%) thd+n (%)
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 2 0.01 10 0.1 1 20 20k 100 1k 10k r r 0.01 10 0.1 1 0.01 1 0.1 t h d + n v s . f r e q u e n c y f r e q u e n c y ( h z ) v d d = 5 v r l = 8 w a v = - 2 v / v b t l p o = 5 0 m w p o = 7 0 0 m w p o = 3 5 0 m w 0.01 10 0.1 1 0.1 0.3 0.5 0.7 0.9 1.1 1.2 o u t p u t p o w e r ( w ) t h d + n v s . o u t p u t p o w e r r l = 8 w 0.01 10 0.1 1 20 20k 100 1k 10k v d d = 5 v f = 1 k h z a v = - 2 v / v b t l t h d + n v s . f r e q u e n c y f r e q u e n c y ( h z ) v d d = 5 v p o = 7 0 0 m w r l = 8 w b t l a v = - 2 0 v / v a v = - 1 0 v / v a v = - 2 v / v t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) t h d + n v s . o u t p u t p o w e r o u t p u t p o w e r ( w ) v d d = 3 . 3 v r l = 8 w c b = 1 m f a v = - 2 v / v b t l f = 1 0 k h z f = 2 0 k h z f = 1 k h z f = 2 0 h z thd+n (%) thd+n (%) thd+n (%) thd+n (%)
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 3 0.001 10 0.1 1 20 100 1k 10k 20k 0.001 10 0.01 0.1 1 20 20k 100 1k 10k r 0.01 10 0.1 1 0.01 1 0.1 t h d + n v s . o u t p u t p o w e r o u t p u t p o w e r ( w ) f = 1 0 k h z f = 2 0 k h z f = 1 k h z f = 2 0 h z v d d = 5 v r l = 8 w c b = 1 m f a v = 2 v / v b t l t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) a v = - 5 v / v a v = - 1 0 v / v a v = - 1 v / v v d d = 3 . 3 v p o = 3 0 m w r l = 3 2 w s e t h d + n v s . f r e q u e n c y f r e q u e n c y ( h z ) t h d + n v s . f r e q u e n c y f r e q u e n c y ( h z ) p o = 1 0 m w p o = 1 5 m w p o = 3 0 m w o u t p u t p o w e r ( w ) t h d + n v s . o u t p u t p o w e r thd+n (%) thd+n (%) thd+n (%) thd+n (%) v d d = 3 . 3 v r l = 3 2 w a v = - 1 v / v s e 0.001 10 0.01 0.1 1 0.02 0.0 5 0.025 0.03 0.035 0.04 0.045 v d d = 3 . 3 v f = 1 k h z r l = 3 2 w a v = - 1 v / v s e
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 4 0.001 10 0.01 0.1 1 0.002 0.1 0.01 t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t 0.001 10 0.01 0.1 1 20 20k 100 1k 10k 0.001 10 0.01 0.1 1 20 20k 100 1k 10k r r r r r a v = - 5 v / v a v = - 1 0 v / v a v = - 1 v / v v d d = 5 v p o = 6 0 m w r l = 3 2 w s e t h d + n v s . f r e q u e n c y thd+n (%) f r e q u e n c y ( h z ) o u t p u t p o w e r ( w ) thd+n (%) t h d + n v s . o u t p u t p o w e r p o = 1 5 m w p o = 3 0 m w p o = 6 0 m w v d d = 5 v r l = 3 2 w a v = - 1 v / v s e t h d + n v s . f r e q u e n c y thd+n (%) f r e q u e n c y ( h z ) t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) t h d + n v s . o u t p u t p o w e r thd+n (%) v d d = 3 . 3 v r l = 3 2 w a v = - 1 v / v s e f = 2 0 h z f = 2 0 k h z f = 1 k h z f = 1 0 k h z o u t p u t p o w e r ( w ) 10 0.01 0.1 1 0.02 0.14 0.04 0.06 0.08 0.1 0.12 v d d = 5 v f = 1 k h z r l = 3 2 w a v = - 1 v / v s e
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 5 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) 10 0.01 0.1 1 0.002 0.2 0.01 0.1 t h d + n v s . o u t p u t p o w e r o u t p u t p o w e r ( w ) v d d = 5 v r l = 3 2 w a v = - 1 v / v s e f = 2 0 k h z f = 2 0 h z f = 1 0 k h z f = 1 k h z 10 0.01 0.1 1 20 20k 100 1k 10k v d d = 3 . 3 v p o = 0 . 1 m w r l = 1 0 k w s e a v = - 2 v / v a v = - 1 v / v a v = - 5 v / v t h d + n v s . f r e q u e n c y f r e q u e n c y ( h z ) thd+n (%) thd+n (%) 10 0.01 0.1 1 20 20k 100 1k 10k f r e q u e n c y ( h z ) t h d + n v s . f r e q u e n c y thd+n (%) p o = 0 . 1 m w p o = 0 . 0 5 m w p o = 0 . 1 3 m w 0.01 10 0.1 1 50 200 75 100 125 150 175 v d d = 3 . 3 v f = 1 k h z r l = 1 0 k w a v = - 1 v / v s e o u t p u t p o w e r ( m w ) t h d + n v s . o u t p u t p o w e r thd+n (%) v d d = 3 . 3 v r l = 1 0 k w a v = - 1 v / v s e
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 6 10 0.01 0.1 1 50 500 100 200 300 400 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) t h d + n v s . o u t p u t p o w e r o u t p u t p o w e r ( m w ) thd+n (%) f = 2 0 h z f = 1 0 k h z f = 2 0 k h z f = 1 k h z 0.001 10 0.01 0.1 1 20 20k 100 1k 10k t t t t t t h d + n v s . f r e q u e n c y f r e q u e n c y ( h z ) thd+n (%) a v = - 5 v / v a v = - 2 v / v a v = - 1 v / v 0.001 10 0.01 0.1 1 20 20k 100 1k 10k f r e q u e n c y ( h z ) t h d + n v s . f r e q u e n c y thd+n (%) v d d = 5 v r l = 1 0 k w a v = - 1 v / v s e p o = 0 . 2 m w p o = 0 . 1 m w p o = 0 . 3 m w 0.001 10 0.01 0.1 1 50 500 100 150 200 250 300 350 400 450 o u t p u t p o w e r ( m w ) thd+n (%) t h d + n v s . o u t p u t p o w e r v d d = 5 v f = 1 k h z r l = 1 0 k w a v = - 1 v / v s e v d d = 5 v p o = 0 . 3 m w r l = 1 0 k w s e v d d = 3 . 3 v r l = 1 0 k w a v = - 1 v / v s e
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 7 10 100k 100 1k 10k +20 +60 +100 +140 +180 +220 -0 +28 +4 +8 +12 +16 +20 +24 +20 +60 +100 +140 +180 +220 -0 +28 +4 +8 +12 +16 +20 +24 10 100k 100 1k 10k 0.001 10 0.01 0.1 1 10 500 100 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) t h d + n v s . o u t p u t p o w e r o u t p u t p o w e r ( m w ) thd+n (%) f = 2 0 h z f = 2 0 k h z f = 1 0 k h z f = 1 k h z v d d = 5 v r l = 1 0 k w a v = - 1 v / v s e close loop gain (db) phase( ) close loop gain (db) phase( ) c l o s e l o o p g a i n a n d p h a s e v s . f r e q u e n c y c l o s e l o o p g a i n a n d p h a s e v s . f r e q u e n c y f r e q u e n c y ( h z ) f r e q u e n c y ( h z ) +300 +20 +60 +100 +140 +180 +220 +260 -10 +10 -8 -6 -4 -2 +0 +2 +4 +6 +8 10 100k 100 1k 10k phase( ) close loop gain (db) c l o s e l o o p g a i n a n d p h a s e v s . f r e q u e n c y f r e q u e n c y ( h z ) p h a s e g a i n v d d = 3 . 3 v r l = 8 w a v = - 4 v / v p o = 2 5 0 m w b t l g a i n p h a s e p h a s e g a i n v d d = 3 . 3 v r l = 3 2 w a v = - 2 v / v p o = 3 0 m w s e v d d = 5 v r l = 8 w a v = - 4 v / v p o = 7 0 0 m w b t l
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 8 0 50 100 150 200 250 300 350 0 200 400 600 +300 +20 +60 +100 +140 +180 +220 +260 -10 +10 -8 -6 -4 -2 +0 +2 +4 +6 +8 10 100k 100 1k 10k t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) c l o s e l o o p g a i n a n d p h a s e v s . f r e q u e n c y f r e q u e n c y ( h z ) close loop gain (db) phase( ) 1 100 10 20 20k 100 1k 10k n o i s e f l o o r v s . f r e q u e n c y f r e q u e n c y ( h z ) noise floor ( m vrms) 1 100 10 20 20k 100 1k 10k f r e q u e n c y ( h z ) noise floor ( m vrms) n o i s e f l o o r v s . f r e q u e n c y p h a s e g a i n v d d = 5 v r l = 3 2 w a v = - 2 v / v p o = 6 0 m w s e r l = 3 2 w, s e r l = 8 w, b t l v d d = 3 . 3 v b w = 2 2 h z t o 2 2 k h z a v = - 1 v / v v d d = 5 v b w = 2 2 h z t o 2 2 k h z a v = - 1 v / v p o w e r d i s s i p a t i o n v s . o u t p u t p o w e r o u t p u t p o w e r ( m w ) power dissipation (mw) r l = 8 w r l = 3 2 w v d d = 3 . 3 v b t l r l = 8 w, b t l r l = 3 2 w, s e
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 1 9 0 10 20 30 40 50 60 70 80 90 100 0 50 100 150 0 20 40 60 80 100 120 140 160 180 200 0 50 100 150 200 250 300 0 100 200 300 400 500 600 700 800 0 200 400 600 800 1000 t y p i c a l o p e r a t i n g c h a r a c t e r i s t i c s ( c o n t . ) p o w e r d i s s i p a t i o n v s . o u t p u t p o w e r o u t p u t p o w e r ( m w ) power dissipation (mw) v d d = 3 . 3 v s e r l = 8 w r l = 3 2 w p o w e r d i s s i p a t i o n v s . o u t p u t p o w e r o u t p u t p o w e r ( m w ) power dissipation (mw) v d d = 5 v b t l r l = 8 w r l = 3 2 w v d d = 5 v s e r l = 8 w r l = 3 2 w o u t p u t p o w e r ( m w ) p o w e r d i s s i p a t i o n v s . o u t p u t p o w e r power dissipation (mw)
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 0 a p p l i c a t i o n i n f o r m a t i o n b t l o p e r a t i o n f i g u r e 1 : a p a 0 7 1 0 / 1 p o w e r a m p l i f i e r i n t e r n a l c o n f i g u r a - t i o n c o n s i d e r t h e s i n g l e - s u p p l y s e c o n f i g u r a t i o n s h o w n a p - p l i c a t i o n c i r c u i t . a c o u p l i n g c a p a c i t o r i s r e q u i r e d t o b l o c k t h e d c o f f s e t v o l t a g e f r o m r e a c h i n g t h e l o a d . t h e s e c a - p a c i t o r s c a n b e q u i t e l a r g e ( a p p r o x i m a t e l y 3 3 m f t o 1 0 0 0 m f ) s o t h e y t e n d t o b e e x p e n s i v e , o c c u p y v a l u a b l e p c b a r e a , a n d h a v e t h e a d d i t i o n a l d r a w b a c k o f l i m i t i n g l o w - f r e q u e n c y p e r f o r m a n c e o f t h e s y s t e m ( r e f e r t o t h e o u t p u t c o u p l i n g c a p a c i t o r ) . t h e r u l e s d e s c r i b e d s t i l l h o l d w i t h t h e a d d i t i o n o f t h e f o l - l o w i n g r e l a t i o n s h i p : ( 1 ) c l i f i bypass c r 1 c ) r (r 1 80k c 1 << + w i n t e r n a l t o t h e a p a 0 7 1 0 , t w o s e p a r a t e a m p l i f i e r s d r i v e v o + a n d v o - ( s e e f i g u r e 2 ) . t h e s e / b t l i n p u t c o n t r o l s t h e o p - e r a t i o n o f t h e f o l l o w e r a m p l i f i e r t h a t d r i v e s v o - . w h e n s e / b t l i s h e l d l o w , t h e o p 2 i s t u r n e d o n a n d t h e a p a 0 7 1 0 i s i n t h e b t l m o d e . w h e n s e / b t l i s h e l d h i g h , t h e o p 2 i s i n a h i g h o u t p u t i m p e d a n c e s t a t e , w h i c h c o n f i g u r e s t h e a p a 0 7 1 0 a s s e d r i v e r f r o m v o + . i d d i s r e d u c e d b y a p p r o x i m a t e l y o n e - h a l f i n s e m o d e . t h e c o n t r o l o f t h e s e / b t l i n p u t c a n b e a l o g i c - l e v e l t t l s o u r c e o r a r e s i s t o r d i v i d e r n e t w o r k o r t h e m o n o h e a d - p h o n e j a c k w i t h s w i t c h p i n a s s h o w n i n t h e a p p l i c a t i o n c i r c u i t . t h e p o w e r a m p l i f i e r o p 1 g a i n i s s e t t i n g b y e x t e r n a l g a i n s e t t i n g w h i l e t h e s e c o n d a m p l i f i e r o p 2 i s i n - t e r n a l l y f i x e d i n a u n i t y - g a i n , i n v e r t i n g c o n f i g u r a t i o n . f i g - u r e 1 s h o w s t h a t t h e o u t p u t o f o p 1 i s c o n n e c t e d t o t h e i n p u t t o o p 2 , w h i c h r e s u l t s i n t h e o u t p u t s i g n a l s o f w i t h b o t h a m p l i f i e r s w i t h i d e n t i c a l m a g n i t u d e , b u t o u t o f p h a s e 1 8 0 . c o n s e q u e n t l y , t h e d i f f e r e n t i a l g a i n f o r e a c h c h a n n e l i s 2 x ( g a i n o f s e m o d e ) . b y d r i v i n g t h e l o a d d i f f e r e n t i a l l y t h r o u g h o u t p u t s v o + a n d v o - , a n a m p l i f i e r c o n f i g u r a t i o n c o m m o n l y r e f e r r e d t o a s b r i d g e d m o d e i s e s t a b l i s h e d . b t l m o d e o p e r a t i o n i s d i f - f e r e n t f r o m t h e c l a s s i c a l s i n g l e - e n d e d s e a m p l i f i e r c o n - f i g u r a t i o n w h e r e o n e s i d e o f i t s l o a d i s c o n n e c t e d t o t h e g r o u n d . a b t l a m p l i f i e r d e s i g n h a s a f e w d i s t i n c t a d v a n - t a g e s o v e r t h e s e c o n f i g u r a t i o n , a s i t p r o v i d e s d i f f e r e n t i a l d r i v e t o t h e l o a d , t h u s d o u b l i n g t h e o u t p u t s w i n g f o r a s p e c i f i e d s u p p l y v o l t a g e . w h e n p l a c e d u n d e r t h e s a m e c o n d i t i o n s , a b t l a m p l i f i e r h a s f o u r t i m e s t h e o u t p u t p o w e r o f a s e a m p l i f i e r . a b t l c o n f i g u r a t i o n , s u c h a s t h e o n e u s e d i n a p a 0 7 1 0 , a l s o c r e a t e s a s e c o n d a d v a n t a g e o v e r s e a m p l i f i e r s . s i n c e t h e d i f f e r e n t i a l o u t p u t s , v o + a n d v o - a r e b i a s e d a t h a l f - s u p p l y , i t i s n o t n e c e s s a r y f o r d c v o l t a g e t o b e a c r o s s t h e l o a d . t h i s e l i m i n a t e s t h e n e e d f o r a n o u t p u t c o u - p l i n g c a p a c i t o r w h i c h i s r e q u i r e d i n a s i n g l e s u p p l y , s e c o n f i g u r a t i o n . s i n g l e - e n d e d o p e r a t i o n o u t p u t s e / b t l o p e r a t i o n ( f o r a p a 0 7 1 0 o n l y ) t h e b e s t c o s t s a v i n g f e a t u r e f o a p a 0 7 1 0 i s t h a y i t c a n b e s w i t c h e d e a s i l y b e t w e e n b t l a n d s e m o d e s . t h i s f e a - t u r e e l i m i n a t e s t h e r e q u i r e m e n t f o r a n a d d i t i o n a l h e a d - p h o n e a m p l i f i e r i n a p p l i c a t i o n s w h e r e i n t e r n a l s p e a k e r s a r e d r i v e n i n b t l m o d e b u t e x t e r n a l h e a d p h o n e o r s p e a k - e r s m u s t b e a c c o m m o d a t e d . vbias vo + vo - r l op1 op2
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 1 a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) f i g u r e 2 : s e / b t l i n p u t s e l e c t i o n b y p h o n e j a c k p l u g f c ( h i g h p a s s ) = 1 2 p r i c i ( 2 ) t h e v a l u e o f c i i s i m p o r t a n t t o c o n s i d e r a s i t d i r e c t l y a f - f e c t s t h e l o w f r e q u e n c y p e r f o r m a n c e o f t h e c i r c u i t . c o n - s i d e r t h e e x a m p l e w h e r e r i i s 1 0 0 k w a n d t h e s p e c i f i - c a t i o n c a l l s f o r a f l a t b a s s r e s p o n s e d o w n t o 4 0 h z . e q u a - t i o n i s r e c o n f i g u r e d a s b e l o w : c i = 1 2 p r i f c ( 3 ) o u t p u t s e / b t l o p e r a t i o n ( f o r a p a 0 7 1 0 o n l y ) w h e n i n p u t r e s i s t a n c e i s c o n s i d e r e d , t h e c i i s 0 . 0 4 m f , s o a v a l u e i n t h e r a n g e o f 0 . 1 m f t o 1 . 0 m f w o u l d b e c h o s e n . a f u r t h e r c o n s i d e r a t i o n f o r t h i s c a p a c i t o r i s t h e l e a k a g e p a t h f r o m t h e i n p u t s o u r c e t h r o u g h t h e i n p u t n e t w o r k ( r i + r f , c i ) t o t h e l o a d . t h i s l e a k a g e c u r r e n t c r e a t e s a d c o f f s e t v o l t a g e a t t h e i n p u t t o t h e a m p l i f i e r t h a t r e d u c e s u s e f u l h e a d r o o m , e s - p e c i a l l y i n h i g h g a i n a p p l i c a t i o n s . f o r t h i s r e a s o n a l o w - l e a k a g e t a n t a l u m o r c e r a m i c c a p a c i t o r i s t h e b e s t c h o i c e . w h e n p o l a r i z e d c a p a c i t o r s a r e u s e d , t h e p o s i t i v e s i d e o f t h e c a p a c i t o r s h o u l d f a c e t h e a m p l i f i e r i n p u t i n m o s t a p p l i c a t i o n s a s t h e d c l e v e l t h e r e i s h e l d a t v d d / 2 , w h i c h i s l i k e l y h i g h e r t h a n t h e s o u r c e d c l e v e l . p l e a s e n o t e t h a t i t i s i m p o r t a n t t o c o n f i r m t h e c a p a c i t o r p o l a r i t y i n t h e a p p l i c a t i o n . e f f e c t i v e b y p a s s c a p a c i t o r , c b y p a s s a s t o t h e o t h e r p o w e r a m p l i f i e r s , p r o p e r s u p p l y b y p a s s - i n g i s c r i t i c a l f o r l o w n o i s e p e r f o r m a n c e a n d h i g h p o w e r s u p p l y r e j e c t i o n . t h e c a p a c i t o r s l o c a t e d o n t h e b y p a s s a n d p o w e r s u p p l y p i n s s h o u l d b e a s c l o s e t o t h e d e v i c e a s p o s s i b l e . t h e e f f e c t o f a l a r g e r h a l f s u p p l y b y p a s s c a p a c i t o r w i l l i m p r o v e p s r r d u e t o i n c r e a s e d h a l f - s u p p l y s t a b i l i t y . t y p i c a l a p - p l i c a t i o n e m p l o y s a 5 v r e g u l a t o r w i t h 1 . 0 m f a n d a 0 . 1 m f b y p a s s a s s u p p l y f i l t e r i n g . t h i s d o e s n o t e l i m i n a t e t h e n e e d f o r b y p a s s i n g t h e s u p p l y n o d e s o f t h e a p a 0 7 1 0 / 1 . t h e s e l e c t i o n o f b y p a s s c a p a c i t o r s , e s p e c i a l l y c b y p a s s , i s t h u s d e p e n d e n t u p o n d e s i r e d p s r r r e q u i r e m e n t s , c l i c k a n d p o p p e r f o r m a n c e . t o a v o i d t h e s t a r t - u p p o p n o i s e o c c u r r e d , t h e b y p a s s v o l t a g e s h o u l d r i s e s l o w e r t h a n t h e i n p u t b i a s v o l t a g e a n d t h e r e l a t i o n s h i p s h o w n i n e q u a t i o n ( 4 ) s h o u l d b e m a i n t a i n e d . < < ( 4 ) i f i c ) r (r 1 + w 80k c 1 bypass i n f i g u r e 2 , i n p u t s e / b t l o p e r a t e s a s f o l l o w s : w h e n t h e p h o n e j a c k p l u g i s i n s e r t e d , t h e 1 k w r e s i s t o r i s d i s c o n n e c t e d a n d t h e s e / b t l i n p u t i s p u l l e d h i g h a n d e n a b l e s t h e s e m o d e . w h e n t h i s i n p u t g o e s t o a h i g h l e v e l , t h e v o - a m p l i f i e r i s s h u t d o w n w h i c h c a u s e s t h e s p e a k e r t o m u t e . t h e v o + a m p l i f i e r t h e n d r i v e s t h r o u g h t h e o u t p u t c a p a c i t o r ( c c ) i n t o t h e h e a d p h o n e j a c k . w h e n t h e r e i s n o h e a d p h o n e p l u g g e d i n t o t h e s y s t e m , t h e c o n t a c t p i n o f t h e h e a d p h o n e j a c k i s c o n n e c t e d f r o m t h e s i g n a l p i n , t h e v o l t a g e d i v i d e r s e t u p b y r e s i s t o r s 1 0 0 k w a n d 1 k w . r e s i s t o r 1 k w t h e n p u l l s l o w t h e s e / b t l p i n , e n a b l i n g t h e b t l f u n c t i o n . i n p u t c a p a c i t o r , c i i n t h e t y p i c a l a p p l i c a t i o n , a n i n p u t c a p a c i t o r , c i , i s r e - q u i r e d t o a l l o w t h e a m p l i f i e r t o b i a s t h e i n p u t s i g n a l t o t h e p r o p e r d c l e v e l f o r o p t i m u m o p e r a t i o n . i n t h i s c a s e , c i a n d t h e m i n i m u m i n p u t i m p e d a n c e r i f o r m a h i g h - p a s s f i l t e r w i t h t h e c o r n e r f r e q u e n c y d e t e r m i n e d i n t h e f o l l o w - i n g e q u a t i o n : control pin 1k w v dd 100k w se/ btl headphone jack 100k w vo +
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 2 e f f e c t i v e b y p a s s c a p a c i t o r , c b y p a s s ( c o n t . ) a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) t h e b y p a s s c a p a c i t o r i s f e d f r o m a 8 0 k w r e s i s t o r i n - s i d e t h e a m p l i f i e r . b y p a s s c a p a c i t o r , c b y p a s s , v a l u e s o f 0 . 1 m f t o 2 . 2 m f c e r a m i c o r t a n t a l u m l o w - e s r c a p a c i - t o r s a r e r e c o m m e n d e d f o r t h e b e s t t h d a n d n o i s e p e r f o r m a n c e . t h e b y p a s s c a p a c i t a n c e a l s o e f f e c t s t o t h e s t a r t u p t i m e . i t i s d e t e r m i n e d i n t h e f o l l o w i n g e q u a t i o n : t s t a r t u p = 5 x ( c b y p a s s x 8 0 k w ) ( 5 ) o u t p u t c o u p l i n g c a p a c i t o r , c c ( f o r a p a 0 7 1 0 o n l y ) i n t h e t y p i c a l s i n g l e - s u p p l y ( s e ) c o n f i g u r a t i o n o n a a p a 0 7 1 0 , a n o u t p u t c o u p l i n g c a p a c i t o r ( c c ) i s r e q u i r e d t o b l o c k t h e d c b i a s a t t h e o u t p u t o f t h e a m p l i f i e r t h u s p r e - v e n t i n g d c c u r r e n t s i n t h e l o a d . a s w i t h t h e i n p u t c o u p l i n g c a p a c i t o r , t h e o u t p u t c o u p l i n g c a p a c i t o r a n d i m p e d a n c e o f t h e l o a d f o r m a h i g h - p a s s f i l t e r g o v e r n e d b y t h e f o l l o w i n g e q u a t i o n . f c ( h i g h p a s s ) = 1 2 p r l c c ( 6 ) f o r e x a m p l e , a 3 3 0 m f c a p a c i t o r w i t h a n 8 w s p e a k e r w o u l d a t t e n u a t e l o w f r e q u e n c i e s b e l o w 6 0 . 6 h z . t h e m a i n d i s a d v a n t a g e , f r o m a p e r f o r m a n c e s t a n d p o i n t , i s t h a t t h e l o a d i m p e d a n c e i s t y p i c a l l y s m a l l , w h i c h d r i v e s t h e l o w - f r e q u e n c y c o r n e r h i g h e r d e g r a d i n g t h e b a s s r e s p o n s e . l a r g e v a l u e s o f c c a r e r e q u i r e d t o p a s s l o w f r e q u e n c i e s i n t o t h e l o a d . p o w e r s u p p l y d e c o u p l i n g , c s t h e a p a 0 7 1 0 / 1 i s a h i g h - p e r f o r m a n c e c m o s a u d i o a m - p l i f i e r t h a t r e q u i r e s a d e q u a t e p o w e r s u p p l y d e c o u p l i n g t o e n s u r e t h e o u t p u t t o t a l h a r m o n i c d i s t o r t i o n ( t h d ) i s a s l o w a s p o s s i b l e . p o w e r s u p p l y d e c o u p l i n g a l s o p r e - v e n t s t h e o s c i l l a t i o n s c a u s i n g b y l o n g l e a d l e n g t h b e - t w e e n t h e a m p l i f i e r a n d t h e s p e a k e r . t h e o p t i m u m d e c o u p l i n g i s a c h i e v e d b y u s i n g t w o d i f f e r e n t t y p e c a - p a c i t o r s t h a t t a r g e t o n d i f f e r e n t t y p e o f n o i s e o n t h e p o w e r s u p p l y l e a d s . f o r h i g h e r f r e q u e n c y t r a n s i e n t s , s p i k e s , o r d i g i t a l h a s h o n t h e l i n e , a g o o d l o w e q u i v a l e n t - s e r i e s - r e s i s t a n c e ( e s r ) c e r a m i c c a p a c i t o r , t y p i c a l l y 0 . 1 m f p l a c e d a s c l o s e a s p o s s i b l e t o t h e d e v i c e v d d l e a d w o r k s t h e b e s t . f o r f i l t e r i n g l o w e r - f r e q u e n c y n o i s e s i g n a l s , a l a r g e a l u - m i n u m e l e c t r o l y t i c c a p a c i t o r o f 1 0 m f o r g r e a t e r p l a c e d n e a r t h e a u d i o p o w e r a m p l i f i e r i s r e c o m m e n d e d . o p t i m i z i n g d e p o p c i r c u i t r y c i r c u i t r y h a s b e e n i n c l u d e d i n t h e a p a 0 7 1 0 / 1 t o m i n i - m i z e t h e a m o u n t o f p o p p i n g n o i s e a t p o w e r - u p a n d w h e n c o m i n g o u t o f s h u t d o w n m o d e . p o p p i n g o c c u r s w h e n - e v e r a v o l t a g e s t e p i s a p p l i e d t o t h e s p e a k e r . i n o r d e r t o e l i m i n a t e c l i c k s a n d p o p s , a l l c a p a c i t o r s m u s t b e f u l l y d i s c h a r g e d b e f o r e t u r n - o n . r a p i d o n / o f f s w i t c h i n g o f t h e d e v i c e o r t h e s h u t d o w n f u n c t i o n w i l l c a u s e t h e c l i c k a n d p o p c i r c u i t r y . t h e v a l u e o f c i w i l l a l s o a f f e c t t u r n - o n p o p s ( r e f e r t o e f f e c t i v e b y p a s s c a p a c i t a n c e ) . t h e b y p s s v o l t a g e s h o u l d r i s e s l o w e r t h a n i n p u t b i a s v o l t a g e . a l t h o u g h t h e b y p a s s p i n c u r r e n t s o u r c e c a n n o t b e m o d i f i e d , t h e s i z e o f c b y p a s s c a n b e c h a n g e d t o a l t e r t h e d e v i c e t u r n - o n t i m e a n d t h e a m o u n t o f c l i c k s a n d p o p s . b y i n c r e a s i n g t h e v a l u e o f c b y p a s s , t u r n - o n p o p c a n b e r e d u c e d . h o w e v e r , t h e t r a d e o f f f o r u s i n g a l a r g e r b y p a s s c a p a c i t o r i s t o i n c r e a s e t h e t u r n - o n t i m e f o r t h i s d e v i c e . t h e r e i s a l i n e a r r e l a t i o n s h i p b e t w e e n t h e s i z e o f c b y p a s s a n d t h e t u r n - o n t i m e . i n a s e c o n f i g u r a t i o n , t h e o u t p u t c o u p l i n g c a p a c i t o r , c c , i s o f p a r t i c u l a r c o n c e r n . t h i s c a p a c i t o r d i s c h a r g e s t h r o u g h t h e i n t e r n a l 1 0 k w r e s i s t o r s . d e p e n d i n g o n t h e s i z e o f c c , t h e t i m e c o n s t a n t c a n b e r e l a t i v e l y l a r g e . a h i g h g a i n a m p l i f i e r i n t e n s i f i e s t h e p r o b l e m a s t h e s m a l l d e l t a i n v o l t a g e i s m u l t i p l i e d b y t h e g a i n . t h e r e f o r e , i t i s a d v a n t a g e o u s t o u s e l o w - g a i n c o n f i g u r a t i o n s . i n m o s t c a s e s , c h o o s i n g a s m a l l v a l u e o f c i i n t h e r a n g e o f 0 . 3 3 m f t o 1 m f , c b y p a s s b e i n g e q u a l t o 1 m f s h o u l d p r o - d u c e a v i r t u a l l y c l i c k l e s s a n d p o p l e s s t u r n - o n . s h u t d o w n f u n c t i o n i n o r d e r t o r e d u c e p o w e r c o n s u m p t i o n w h i l e n o t i n u s e , t h e a p a 0 7 1 0 / 1 c o n t a i n s a s h u t d o w n f u n c t i o n t o e x t e r n a l l y t u r n o f f t h e a m p l i f i e r b i a s c i r c u i t r y . t h i s s h u t d o w n f e a t u r e t u r n s t h e a m p l i f i e r o f f w h e n a l o g i c h i g h i s p l a c e d o n t h e s h u t d o w n p i n f o r a p a 0 7 1 0 a n d a l o g i c l o w o n t h e s h u t d o w n p i n f o r a p a 0 7 1 1 . t h e t r i g g e r p o i n t b e t w e e n a l o g i c h i g h a n d l o g i c l o w l e v e l i s t y p i c a l l y 0 . 4 v d d . i t i s b e s t t o s w i t c h b e t w e e n g r o u n d a n d t h e s u p p l y v o l t a g e v d d t o p r o v i d e m a x i m u m d e v i c e p e r f o r m a n c e .
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 3 b y s w i t c h i n g t h e s h u t d o w n / s h u t d o w n p i n t o h i g h l e v e l / l o w l e v e l , t h e a m p l i f i e r e n t e r s a l o w - c u r r e n t s t a t e , i d d f o r a p a 0 7 1 0 / 1 . a p a 0 7 1 0 / 1 a r e i n s h u t d o w n m o d e . o n n o r m a l o p e r a t i n g , a p a 0 7 1 0 ? s s h u t d o w n p i n s h o u l d p u l l t o a l o w l e v e l a n d a p a 0 7 1 1 ? s s h u t d o w n p i n s h o u l d p u l l t o a h i g h l e v e l t o k e e p t h e i c o u t o f t h e s h u t d o w n m o d e . t h e s h u t d o w n / s h u t d o w n p i n s h o u l d b e t i e d t o a d e f i n i t e v o l t a g e t o a v o i d u n w a n t e d s t a t e c h a n g e s . a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) v p p o = = r l v o , r m s x v o , r m s 2 r l v p x v p e f f i c i e n c y = p s u p ( 7 ) p o w h e r e : v o , r m s = ? 2 ( 8 ) ( 9 ) p s u p = v d d x i d d , a v g = v d d x 2 v p p r l e f f i c i e n c y o f a b t l c o n f i g u r a t i o n : ( ) / ( v d d x ) = p o p s u p = v p x v p 2 r l 2 v p p r l p v p 4 v d d ( 1 0 ) * h i g h p e a k v o l t a g e s c a u s e t h e t h d t o i n c r e a s e . t a b l e 1 . e f f i c i e n c y v s o u t p u t p o w e r i n 3 . 3 v / 8 w b t l s y s t e m s . p o (w) efficiency (%) v p (v) p d (w) 0.1 25 33.6 1 . 41 0.26 0. 25 47.6 2 . 00 0.29 0 .375 58.3 2 . 45* 0.28 i n b t l m o d e o p e r a t i o n , t h e o u t p u t v o l t a g e s w i n g i s d o u b l e d a s i n s e m o d e . t h u s t h e m a x i m u m p o w e r d i s s i - p a t i o n p o i n t f o r a b t l m o d e o p e r a t i n g a t t h e s a m e g i v e n c o n d i t i o n s i s 4 t i m e s a s i n s e m o d e . s h u t d o w n f u n c t i o n ( c o n t . ) b t l a m p l i f i e r e f f i c i e n c y a n e a s y - t o - u s e e q u a t i o n t o c a l c u l a t e e f f i c i e n c y s t a r t s o u t a s b e i n g e q u a l t o t h e r a t i o o f p o w e r f r o m t h e p o w e r s u p - p l y t o t h e p o w e r d e l i v e r e d t o t h e l o a d . t h e f o l l o w i n g e q u a - t i o n s a r e t h e b a s i s f o r c a l c u l a t i n g a m p l i f i e r e f f i c i e n c y . t a b l e 1 e m p l o y s e q u a t i o n 1 0 t o c a l c u l a t e e f f i c i e n c i e s f o r t h r e e d i f f e r e n t o u t p u t p o w e r l e v e l s w h e n l o a d i s 8 w . t h e e f f i c i e n c y o f t h e a m p l i f i e r i s q u i t e l o w f o r l o w e r p o w e r l e v e l s a n d r i s e s s h a r p l y a s p o w e r t o t h e l o a d i s i n c r e a s e d r e s u l t i n g i n a n e a r l y f l a t i n t e r n a l p o w e r d i s s i p a t i o n o v e r t h e n o r m a l o p e r a t i n g r a n g e . n o t e t h a t t h e i n t e r n a l d i s s i - p a t i o n a t f u l l o u t p u t p o w e r i s l e s s t h a n t h e d i s s i p a t i o n i n t h e h a l f p o w e r r a n g e . c a l c u l a t i n g t h e e f f i c i e n c y f o r a s p e - c i f i c s y s t e m i s t h e k e y t o p r o p e r p o w e r s u p p l y d e s i g n . f o r a m o n o 9 0 0 m w a u d i o s y s t e m w i t h 8 w l o a d s a n d a 5 v s u p p l y , t h e m a x i m u m d r a w o n t h e p o w e r s u p p l y i s a l - m o s t 1 . 5 w . a f i n a l p o i n t t o r e m e m b e r a b o u t l i n e a r a m p l i f i e r s ( e i t h e r s e o r b t l ) i s h o w t o m a n i p u l a t e t h e t e r m s i n t h e e f f i - c i e n c y e q u a t i o n t o a n u t m o s t a d v a n t a g e w h e n p o s s i b l e . n o t e t h a t i n e q u a t i o n 1 0 , v d d i s i n t h e d e n o m i n a t o r . t h i s i n d i c a t e s t h a t a s v d d g o e s d o w n , e f f i c i e n c y g o e s u p . i n o t h e r w o r d s , u s e t h e e f f i c i e n c y a n a l y s i s t o c h o o s e t h e c o r r e c t s u p p l y v o l t a g e a n d s p e a k e r i m p e d a n c e f o r t h e a p p l i c a t i o n . p o w e r d i s s i p a t i o n w h e t h e r t h e p o w e r a m p l i f i e r i s o p e r a t e d i n b t l o r s e m o d e s , p o w e r d i s s i p a t i o n i s a m a j o r c o n c e r n . e q u a t i o n 1 1 s t a t e s t h e m a x i m u m p o w e r d i s s i p a t i o n p o i n t f o r a s e m o d e o p e r a t i n g a t a g i v e n s u p p l y v o l t a g e a n d d r i v i n g a s p e c i f i e d l o a d . s e m o d e : p d , m a x = ( 1 1 ) v d d 2 2 p 2 r l b t l m o d e : p d , m a x = ( 1 2 ) 4 v d d 2 2 p 2 r l s i n c e t h e a p a 0 7 1 0 / 1 i s a m o n o c h a n n e l p o w e r a m p l i f i e r , t h e m a x i m u m i n t e r n a l p o w e r d i s s i p a t i o n i s e q u a l t o b o t h o f e q u a t i o n s d e p e n d i n g o n t h e m o d e o f o p e r a t i o n . e v e n w i t h t h i s s u b s t a n t i a l i n c r e a s e i n p o w e r d i s s i p a t i o n , t h e a p a 0 7 1 0 / 1 d o e s n o t r e q u i r e e x t r a h e a t s i n k . t h e p o w e r d i s s i p a t i o n f r o m e q u a t i o n 1 2 , a s s u m i n g a 5 v - p o w e r s u p - p l y a n d a n 8 w l o a d , m u s t n o t b e g r e a t e r t h a n t h e p o w e r d i s s i p a t i o n t h a t r e s u l t s f r o m t h e e q u a t i o n 1 3 : t j , m a x - t a q j a p d , m a x = ( 1 3 )
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 4 a p p l i c a t i o n i n f o r m a t i o n ( c o n t . ) f o r m s o p - 8 p p a c k a g e w i t h a n d s o p - 8 w i t h o u t t h e r - m a l p a d , t h e t h e r m a l r e s i s t a n c e ( q j a ) i s e q u a l t o 5 0 o c / w a n d 1 6 0 o c / w , r e s p e c t i v e l y . s i n c e t h e m a x i m u m j u n c t i o n t e m p e r a t u r e ( t j , m a x ) o f a p a 0 7 1 0 / 1 a r e 1 7 0 o c a n d t h e a m b i e n t t e m p e r a t u r e ( t a ) i s d e f i n e d b y t h e p o w e r s y s t e m d e s i g n , t h e m a x i m u m p o w e r d i s s i p a t i o n w h i c h t h e i c p a c k a g e i s a b l e t o h a n d l e c a n b e o b t a i n e d f r o m e q u a t i o n 1 3 . o n c e t h e p o w e r d i s s i - p a t i o n i s g r e a t e r t h a n t h e m a x i m u m l i m i t ( p d , m a x ) , e i t h e r t h e s u p p l y v o l t a g e ( v d d ) m u s t b e d e c r e a s e d , t h e l o a d i m - p e d a n c e ( r l ) m u s t b e i n c r e a s e d o r t h e a m b i e n t t e m p e r a - t u r e s h o u l d b e r e d u c e d . t h e r m a l p a d c o n s i d e r a t i o n t h e t h e r m a l p a d m u s t b e c o n n e c t e d t o t h e g r o u n d . t h e p a c k a g e w i t h t h e r m a l p a d o f t h e a p a 0 7 1 0 / 1 r e q u i r e s p e - c i a l a t t e n t i o n o n t h e t h e r m a l d e s i g n . i f t h e t h e r m a l d e - s i g n i s s u e s a r e n o t p r o p e r l y a d d r e s s e d , t h e n a p a 0 7 1 0 / 1 8 w w i l l g o i n t o t h e r m a l s h u t d o w n w h e n d r i v i n g a 8 w l o a d . t h e t h e r m a l p a d o n t h e b o t t o m o f t h e a p a 0 7 1 0 / 1 s h o u l d b e s o l d e r e d d o w n t o a c o p p e r p a d o n t h e c i r c u i t b o a r d . h e a t c a n b e c o n d u c t e d a w a y f r o m t h e t h e r m a l p a d t h r o u g h t h e c o p p e r p l a n e t o a m b i e n t . i f t h e c o p p e r p l a n e i s n o t o n t h e t o p s u r f a c e o f t h e c i r c u i t b o a r d , 6 t o 1 0 v i a s o f 1 2 m i l o r s m a l l e r i n d i a m e t e r s h o u l d b e u s e d t o t h e r m a l l y c o u p l e t h e t h e r m a l p a d t o t h e b o t t o m p l a n e . f o r g o o d t h e r m a l c o n d u c t i o n , t h e v i a s m u s t b e p l a t e d t h r o u g h a n d s o l d e r f i l l e d . t h e c o p p e r p l a n e u s e d t o c o n d u c t h e a t a w a y f r o m t h e t h e r m a l p a d s h o u l d b e a s l a r g e a s p r a c t i c a l . i f t h e a m b i e n t t e m p e r a t u r e i s h i g h e r t h a n 2 5 c , a l a r g e r c o p p e r p l a n e o r f o r c e d - a i r c o o l i n g w i l l b e r e q u i r e d t o k e e p t h e a p a 0 7 1 0 / 1 j u n c t i o n t e m p e r a t u r e b e l o w t h e t h e r m a l s h u t d o w n t e m p e r a t u r e ( 1 7 0 c ) . i n h i g h e r a m b i e n t t e m p e r a t u r e , h i g h e r a i r f l o w r a t e a n d / o r l a r g e r c o p p e r a r e a w i l l b e r e q u i r e d t o k e e p t h e i c o u t o f t h e r m a l s h u t d o w n .
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 5 p a c k a g e i n f o r m a t i o n s o p - 8 s y m b o l min. max. 1.75 0.10 0.17 0.25 0.25 a a1 c d e e1 e h l millimeters b 0.31 0.51 sop-8 0.25 0.50 0.40 1.27 min. max. inches 0.069 0.004 0.012 0.020 0.007 0.010 0.010 0.020 0.016 0.050 0 0.010 1.27 bsc 0.050 bsc a2 1.25 0.049 0 8 0 8 d e e e 1 see view a c b h x 4 5 a a 1 a 2 l view a 0 . 2 5 seating plane gauge plane note: 1. follow jedec ms-012 aa. 2. dimension ? d ? does not include mold flash, protrusions or gate burrs. mold flash, protrusion or gate burrs shall not exceed 6 mil per side. 3. dimension ? e ? does not include inter-lead flash or protrusions. inter-lead flash and protrusions shall not exceed 10 mil per side. 3.80 5.80 4.80 4.00 6.20 5.00 0.189 0.197 0.228 0.244 0.150 0.157
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 6 p a c k a g e i n f o r m a t i o n m s o p - 8 p a 0 l view a 0 . 2 5 seating plane gauge plane a 1 d e see view a e 1 e a 2 b c d1 e 2 exposed pad s y m b o l min. max. 1.10 0.00 0.22 0.38 0.08 0.23 0.15 a a1 b c d e e1 e l millimeters a2 0.75 0.95 0.65 bsc msop-8p 0.40 0.80 0.026 bsc min. max. inches 0.043 0.000 0.030 0.037 0.009 0.015 0.003 0.009 0.016 0.031 0 0.006 d1 e2 1.50 2.50 0.059 0.098 1.50 2.50 0.059 0.098 0 8 0 8 2.90 3.10 2.90 3.10 4.70 5.10 0.114 0.122 0.185 0.201 0.114 0.122 note: 1. follow jedec mo-187 aa-t 2. dimension ? d ? does not include mold flash, protrusions or gate burrs. mold flash, protrusion or gate burrs shall not flash or protrusions. 3. dimension ? e1 ? does not include inter-lead flash or protrusions. inter-lead flash and protrusions shall not exceed 6 mil per side.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 7 application a h t1 c d d w e1 f 330.0 ? 2.00 50 min. 12.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 12.0 ? 0.30 1.75 ? 0.10 5.5 ? 0.05 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 msop - 8p 4.00 ? 0.10 8.00 ? 0.10 2.00 ? 0.05 1.5+0.10 - 0.00 1.5 min. 0.6+0.00 - 0.4 0 5.30 ? 0.20 3.30 ? 0.20 1.40 ? 0.20 application a h t1 c d d w e1 f 330.0 ? 2.00 50 min. 12.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 12.0 ? 0.30 1.75 ? 0.10 5.5 ? 0.05 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 sop - 8 4.0 ? 0.10 8.0 ? 0.10 2.0 ? 0.05 1.5+0.10 - 0.00 1.5 min. 0.6+0.00 - 0.40 6.40 ? 0.20 5.20 ? 0.20 2.10 ? 0.20 (mm) package type unit quantity msop - 8p tape & reel 3000 sop - 8 tape & reel 2500 c a r r i e r t a p e & r e e l d i m e n s i o n s d e v i c e s p e r u n i t h t1 a d a e 1 a b w f t p0 od0 b a0 p2 k0 b 0 section b-b section a-a od1 p1
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 8 t a p i n g d i r e c t i o n i n f o r m a t i o n s o p - 8 m s o p - 8 p user direction of feed user direction of feed
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 2 9 r e f l o w c o n d i t i o n ( i r / c o n v e c t i o n o r v p r r e f l o w ) t 25 c to peak tp ramp-up t l ramp-down ts preheat tsmax tsmin t l t p 25 t e m p e r a t u r e time critical zone t l to t p test item method description solderability mil - std - 883d - 2003 245 c, 5 sec holt mil - std - 883d - 1005.7 1000 hrs bias @125 c pct jesd - 22 - b,a102 168 hrs, 100 % rh, 121 c tst mil - std - 883d - 1011.9 - 65 c~150 c, 200 cycles esd mil - std - 883d - 3015.7 vhbm > 2kv, vmm > 200v latch - up jesd 78 10ms, 1 tr > 100ma r e l i a b i l i t y t e s t p r o g r a m c l a s s i f i c a t i o n r e f l o w p r o f i l e s profile feature sn - pb eutectic assembly pb - free assembly average ramp - up rate (t l to t p ) 3 c/second max. 3 c/second max. preheat - temperature min (tsmin) - temperature max (tsmax) - time (min to max) (ts) 100 c 150 c 60 - 120 seconds 150 c 200 c 60 - 180 seconds time maintained above: - temperature (t l ) - time (t l ) 183 c 60 - 150 seconds 217 c 60 - 150 seconds peak /classificatioon temperature (tp) see table 1 see table 2 time within 5 c of actual peak temperature (tp) 10 - 30 seconds 20 - 40 seconds ramp - down rate 6 c/se cond max. 6 c/second max. time 25 c to peak temperature 6 minutes max. 8 minutes max. notes: all temperatures refer to topside of the package. measured on the body surface.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 6 - a u g . , 2 0 0 8 a p a 0 7 1 0 / 0 7 1 1 w w w . a n p e c . c o m . t w 3 0 c u s t o m e r s e r v i c e table 1. snpb entectic process ? package peak reflow temperature s package thickness volume mm 3 <350 volume mm 3 3 350 <2.5 mm 240 +0/ - 5 c 225 +0/ - 5 c 3 2.5 mm 225 +0/ - 5 c 225 +0/ - 5 c table 2. pb - free process ? package classification reflow temperatures package thickness volume mm 3 <350 volume mm 3 350 - 2000 volume mm 3 >2000 <1.6 mm 260 +0 c* 260 +0 c* 260 +0 c* 1.6 mm ? 2.5 mm 260 +0 c* 250 +0 c* 245 +0 c* 3 2.5 mm 250 +0 c* 245 +0 c* 245 +0 c* * tolerance: the device manufacturer/supplier shall assure process compatibility up to and including the stated classification temperature (this means peak reflow temperature +0 c. for example 260 c+0 c) at the rated msl level. a n p e c e l e c t r o n i c s c o r p . head office : no.6, dusing 1st road, sbip, hsin-chu, taiwan tel : 886-3-5642000 fax : 886-3-5642050 t a i p e i b r a n c h : 2 f , n o . 1 1 , l a n e 2 1 8 , s e c 2 j h o n g s i n g r d . , s i n d i a n c i t y , t a i p e i c o u n t y 2 3 1 4 6 , t a i w a n t e l : 8 8 6 - 2 - 2 9 1 0 - 3 8 3 8 f a x : 8 8 6 - 2 - 2 9 1 7 - 3 8 3 8 c l a s s i f i c a t i o n r e f l o w p r o f i l e s ( c o n t . )

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