1 6 5 c e d a r h i l l s t r e e t , m a r l b o r o u g h , m a 0 1 7 5 2 t e l : 5 0 8 . 4 8 5 . 6 3 5 0 f a x : 5 0 8 . 4 8 5 . 5 1 6 8 f u n c t i o n a l d i a g r a m ( 1 3 ) 1 9 ( 4 ) 1 8 ( 5 ) 1 7 ( 6 ) 1 6 ( 7 ) 8 ( 8 ) 7 ( 9 ) 6 ( 1 0 ) 5 ( 1 1 ) 9 ( 1 2 ) 1 0 ( 3 ) 1 0 ( 2 3 ) 1 2 ( 2 ) 1 1 ( 2 2 ) ( 2 1 ) g a i n a d j b i t 8 ( l s b ) b i t 7 b i t 6 b i t 5 b i t 4 b i t 3 b i t 2 b i t 1 ( m s b ) m s b s t a t u s s t a r t c l o c k i n s e r i a l o u t d i g g n d d a c s u c c e s s i v e a p p r o x i m a t i o n r e g i s t e r r e f c l o c k p i n o u t s n - a d c 5 4 1 ( n ) - a d c 5 4 2 c o m p + 1 5 v a n a g n d s u m m i n g j u n c t 1 0 v i n p u t 2 0 v i n p u t b i p o l a r o f f s e t - 1 5 v c l o c k o u t + 5 v 2 2 ( 1 9 ) 2 ( 1 7 ) 4 3 ( 1 8 ) 2 4 ( 1 4 ) 2 3 ( 1 5 ) 1 ( 1 6 ) 2 0 ( 2 0 ) 2 1 1 5 ( 1 ) 1 4 ( 2 4 ) 5 k 5 k 6 . 2 k k e y l i n e s a l l u n i t s a d 5 4 1 o n l y a d 5 4 2 o n l y f e a t u r e s ? 2 . 5 s c o n v e r s i o n t i m e ? l o w p o w e r : 6 5 0 m w ? w i d e t e m p e r a t u r e r a n g e m o d e l s : - 5 5o c t o + 1 2 5o c o p e r a t i o n ? m i l - s t d - 8 8 3 o r c o m m e r c i a l / i n d u s t r i a l processing ? p l u g - i n r e p l a c e m e n t s f o r a d c 8 2 d e s c r i p t i o n t h e a d c 5 4 1 / 5 4 2 s e r i e s a r e f a s t , l o w p o w e r , h y b r i d i c a n a l o g - t o - d i g i t a l c o n v e r t e r s ( a c d s ) . t h e s e r i e s f e a t u r e s 8 - b i t r e s o l u t i o n a n d a c c u r a c y w i t h 2 . 5 s t y p i c a l c o n v e r s i o n t i m e . t h e l o w e r p o w e r d r a i n o f 6 5 0 m w i s f r o m s t a n d a r d 1 5 v d c a n d + 5 v d c p o w e r s u p p l i e s . a l l m o d e l s a r e h e r m e t i c a l l y s e a t e d i n 2 4 - p i n d i p s t y l e p a c k a g e s a n d a r e c o m p l e t e w i t h p r e c i s i o n t h i n - f i l m d a c , c l o c k , c o m p a r a t o r r e f e r e n c e a n d s u c c e s s i v e a p p r o x i m a t i o n r e g i s t e r . t h e a d c 5 4 1 c - 8 a n d a d c 5 4 2 c - 8 a r e p r o c e s s e d t o c o m m e r c i a l / i n d u s t r i a l s t a n d a r d s a n d o p e r a t e ? 2 5 o c t o + 8 5 o c . a d c 5 4 1 b - 8 a n d a d c 5 4 2 b - 8 a r e p r o c e s s e d t o m i l - s t d - 8 8 3 r e v . c , l e v e l b r e q u i r e m e n t s , a n d o p e r a t e ? 5 5 o c t o + 1 2 5 o c . i n a d d i t i o n , t h e a d c 5 4 2 v e r s i o n s a r e p l u g - i n r e p l a c e m e n t s f o r t h e a d c 8 2 . a l l m o d e l s c a n b e e x t e r n a l l y p i n - c o n n e c t e d f o r 3 u n i p o l a r a n d 3 b i p o l a r i n p u t r a n g e s . o u t p u t c o d i n g i n t h e b i p o l a r m o d e i s u s e r s e l e c t a b l e a s e i t h e r o f f s e t b i n a r y o r 2 ? s c o m p l e m e n t . a d c 5 4 1 / 5 4 2 f e a t u r e a n o v e r a l l t e m p e r a t u r e c o e f f i c i e n t o f 4 5 p p m / o c a n d l o n g - t e r m s t a b i l i t y i f 0 . 1 % / y e a r . a d c 5 4 1 / 5 4 2 m o d e l s p r o v i d e s y s t e m s d e s i g n e r s w i t h g r e a t e r f l e x i b i i t y s a v i n g s i n s p a c e a n d w e i g h t a n d t h e u l t i m a t e i n r e l i a b i l i t y . t h e i r c o m p a c t s i z e , 8 - b i t r e s o l u t i o n , a c c u r a c y a n e x t e n s i v e s e l f - c o n t a i n e d f e a t u r e s a r e p a r t i c u l a r l y w e l l s u i t e d t o m i c r o p r o c e s s o r a p p l i c a t i o n s . 8 - b i t , w i d e t e m p e r a t u r e 2 . 5 s a d c s a d c 5 4 1 / 5 4 2 d a t a c o n v e r t e r l i n e www.spectrummicrowave.com
p i n a s s i g n m e n t a d c 5 4 1 n o t e s 1 . i n i t i a l o f f s e t a n d g a i n e r r o r s a r e e x t e r n a l l y a d j u s t a b l e . s e e a p p l i - c a t i o n s i n f o r m a t i o n . 2 . i n c l u d e s e f f e c t s o f l i n e a r i t y , o f f s e t , a n d g a i n e r r o r s . a d c 5 4 2 c a s e a ( c e r a m i c ) : a d c 5 4 2 c a s e b ( m e t a l ) : a d c 5 4 1 0 . 1 6 5 ( 4 . 1 9 1 ) 0 . 0 1 0 ( 0 . 2 5 4 ) 0 . 6 0 0 ( 1 5 . 2 4 ) 0 . 0 1 8 ( 0 . 4 5 1 ) 0 . 1 0 0 ( 2 . 5 4 ) 1 . 2 9 5 ( 3 2 . 8 9 3 ) 0 . 7 9 0 ( 2 0 . 0 6 6 ) 0 . 0 2 5 ( 0 . 6 3 5 ) 0 . 2 0 5 ( 5 . 2 0 7 ) t y p i c a l d i m e n s i o n s t o p v i e w p i n ( 1 ) i n d e x 1 2 1 3 1 2 4 0 . 0 1 0 ( 0 . 2 5 4 ) 0 . 6 0 0 ( 1 5 . 2 4 ) 0 . 7 7 5 ( 1 6 . 6 8 5 ) 0 . 0 1 8 0 . 0 0 2 ( 0 . 0 4 5 0 . 0 5 4 ) i n c h m m m a x d i m e n s i o n i n c h e s ( m m ) 0 . 2 2 0 ( 5 . 5 8 8 ) m i n 0 . 1 7 5 ( 4 . 4 5 ) m a x 1 . 2 7 5 ( 3 2 . 3 0 5 ) m a x 0 . 1 0 0 ( 2 . 4 5 0 ) t y p 0 . 1 0 ( 2 . 5 4 ) 0 . 0 3 ( 0 . 7 6 2 ) s t a n d o f f s s u p p l i e d r e d d o t i n d i c a t e s p i n 1 1 2 4 1 2 1 3 t o p v i e w o r d e r i n g i n f o r m a t i o n m o d e l d e s c r i p t i o n a d c 5 4 1 c - 8 c o m m e r c i a l / i n d u s t r i a l p r o c e s s a d c 5 4 1 b - 8 m i l - s t d - 8 8 3 r e v . c , l e v e l b p r o c e s s ; a d c 5 4 2 c - 8 c o m m e r c i a l / i n d u s t r i a l p r o c e s s a d c 8 2 p i n o u t c o m p a t . a d c 5 4 2 b - 8 m i l - s t d - 8 8 3 r e v . c , l e v e l b p r o c e s s ; a d c 8 2 p i n o u t c o m p a t . s p e c i f i c a t i o n s s u b j e c t t o c h a n g e w i t h o u t n o t i c e . s p e c i f i c a t i o n s ( t y p i c a l @ + 2 5 o c a n d n o m i n a l p o w e r s u p p l i e s u n l e s s o t h e r w i s e n o t e d ) s e r i e s a d c 5 4 1 / 5 4 2 r e s o l u t i o n 8 - b i t s t y p e s u c c e s s i v e a p p r o x i m a t i o n a n a l o g i n p u t u n i p o l a r 0 t o + 5 v , 0 t o + 1 0 v . 0 t o + 2 0 v b i p o l a r 2 . 5 v , 5 v . 1 0 v i m p e d a n c e 5 0 0 / v o l t d i g i t a l i n p u t s s t a r t c o m m a n d p u l s e i n p u t 1 0 0 n s w i d e , m i n l o g i c " 1 " > + 2 . 0 v ; l o g i c " 0 " < + 0 . 8 l o g i c l o a d i n g 2 t t l l o a d s c l o c k i n ( a d c 5 4 2 o n l y ) 2 t t l l o a d s d i g i t a l o u t p u t s d a t a c o d i n g , a d c 5 4 1 p a r a l l e l o u t p u t s o n l y u n i p o l a r b i n a r y b i p o l a r 2 ? s c o m p l i m e n t a r y o f f s e t b i n a r y d a t a c o d i n g , a d c 5 4 2 p a r a l l e l a n d s e r i a l o u t p u t u n i p o l a r c o m p l i m e n t a r y b i n a r y b i p o l a r c o m p l i m e n t a r y o f f s e t b i n a r y c o m p l i m e n t a r y 2 ' s c o m p l e m e n t d a t a o u t p u t d r i v e c a p a b i l i t y 3 t t l l o a d s l o g i c " 1 " > + 2 . 4 v l o g i c " 0 " > 0 . 4 v s t a t u s o u t p u t d r i v e c a p a b i l i t y 2 t t l l o a d s , l o g i c ? 1 ? d u r i n g c o n v e r s i o n c l o c k o u t ( a d c 5 4 2 o n l y ) f r e q u e n c y 2 . 8 5 m h z r e f e r e n c e i n t e r n a l c o n v e r s i o n t i m e / t h r o u g h p u t r a t e 2 . 5 s , t y p ; 2 . 8 s m a x / 4 0 0 k h z a c c u r a c y q u a n t i z a t i o n 1 / 2 l s b m a x l i n e a r i t y 0 . 2 % o f f . s . r . m a x o f f s e t , u n i p o l a r a n d b i p o l a r 1 0 . 2 % o f f . s . r . m a x g a i n 1 0 . 2 % o f f . s . r . m a x s t a b i l i t y o v e r s p e c i f i e d t e m p e r a t u r e r a n g e l i n e a r i t y 1 0 p p m / o c g a i n 4 0 p p m / o c o f f s e t 1 0 p p m / o c t r a n s f e r a c c u r a c y 2 4 5 p p m / o c l o n g t e r m 0 . 1 % / y e a r @ + 2 5 o c p o w e r s u p p l y r e q u i r e m e n t s + 1 5 v 3 % 2 0 m a m a x - 1 5 v 3 % 1 2 m a m a x + 5 v 5 % 1 0 5 m a m a x r e j e c t i o n r a t i o 0 . 0 5 % / % ( + 1 5 v ) ; 0 . 0 1 % / % ( - 1 5 v ) p o w e r c o n s u m p t i o n 1 w m a x t e m p e r a t u r e r a n g e s p e c i f i e d a d c 5 4 1 c / 5 4 2 c 0 o t o 7 0 o c a d c 5 4 1 b / 5 4 2 b - 5 5 o c t o + 1 2 5 o c s t o r a g e , a l l m o d e l s - 6 5 o c t o + 1 5 0 o c m e c h a n i c a l c a s e s t y l e c a s e a ( c e r a m i c ) : a d c 5 4 2 c a s e e n v e l o p e d i m e n s i o n s c a s e b ( m e t a l ) : a d c 5 4 1 p i n f u n c t i o n p i n f u n c t i o n 1 b i p o l a r o f f s e t 2 4 + 1 0 v i n p u t 2 a n a l o g g n d 2 3 + 2 0 v i n p u t 3 s u m m i n g j c t . 2 2 + 1 5 v 4 a n a l o g g n d 2 1 ? 1 5 v 5 b i t 1 ( m s b ) 2 0 ? 1 5 v 6 b i t 2 1 9 b i t 8 ( l s b ) 7 b i t 3 1 8 b i t 7 8 b i t 4 1 7 b i t 6 9 b i t 1 ( m s b ) 1 6 b i t 5 1 0 s t a t u s 1 5 + 5 v 1 1 d i g i t a l g n d 1 4 + 5 v 1 2 d i g i t a l g n d 1 3 s t a r t p i n f u n c t i o n p i n f u n c t i o n 1 c l o c k o u t 2 4 + 5 v 2 d i g i t a l g n d 2 3 s r a r t 3 s t a t u s 2 2 c l o c k i n 4 b i t 8 ( l s b ) 2 1 s e r i a l o u t 5 b i t 7 2 0 ? 1 5 v 6 b i t 6 1 9 1 5 v 7 b i t 5 1 8 s u m m i n g j c t 8 b i t 4 1 7 a n a l o g g n d 9 b i t 3 1 6 b i p o l a r o f f s e t 1 0 b i t 2 1 5 2 0 v i n p u t 1 1 b i t 1 ( m s b ) 1 4 1 0 v i n p u t 1 2 b i t 1 ( m s b ) 1 3 g a i n a d j u s t c o n s u l t f a c t o r y f o r a p p l i c a t i o n i n f o r m a t i o n . ADC541/542
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