GMA2822M dual low-voltage power amplifier revision 1, may 2002 www.gammamicro.com preliminary dip-8, sop-8 (top view) pin connections 1 1 2 3 4 8 7 6 5 v s input -(2) gnd output (1) output (2) input +(2) input +(1) input -(1) supply voltage down to 1,8 v low crossover distortion low quiescent current bridge or stereo configuration the GMA2822M is a monolithic integrated circuit of analog low - voltage power amplifier. it is intended for use as mono (bridge)/stereo audio power amplifier in portable cassette players and radios. pin functions description n i p o / i e m a n 1t u p t u o ) 1 ( t u p t u o 2 e g a t l o v y l p p u s 3t u p t u o ) 2 ( t u p t u o 4 d n u o r g 5t u p n i ) 2 ( - t u p n i 6t u p n i ) 2 ( + t u p n i 7t u p n i ) 1 ( - t u p n i 8t u p n i ) 1 ( + t u p n i r e t e m a r a p l o b m y s e u l a v t i n u e g a t l o v y l p p u sv s 5 1v t n e r r u c t u p t u o k a e pi o 1a t t a n o i t a p i s s i d r e w o p l a t o t a c 0 5 =p t o l 1w t t a n o i t a p i s s i d r e w o p l a t o e s a e c 0 5 =p t o l 4 . 1w e r u t a r e p m e t e g a r o t st g t s 0 4 -c e r u t a r e p m e t n o i t c n u jt j 0 5 1 +c absolute maximum ratings
GMA2822M dual low-voltage power amplifier revision 1, may 2002 www.gammamicro.com preliminary 2 s c i t s i r e t c a r a h c l o b m y s s n o i t i d n o c t s e t n i m p y t x a m t i n u o e r e t s e g a t l o v y l p p u sv s -8 . 15 1v e g a t l o v t u p t u o t n e c s i u qv o - v s v 3 = 7 . 2 2 . 1 v t n e r r u c n i a r d t n e c s i u qi d -69a m t n e r r u c s a i b t u p n ii b -0 0 1a n ) l e n n a h c h c a e ( r e w o p t u p t u o % 0 1 = d , z h k 1 = fp o r l 2 3 = ? v , s v 9 = v s v 6 = v s v 5 . 4 = v s v 3 = v s v 2 = r l 6 1 = ? v , s v 6 = r l 8 = ? v , s v 9 = v s v 6 = r l 4 = ? v , s v 6 = v s v 5 . 4 = v s v 3 = 0 9 5 1 0 7 1 0 0 3 0 5 4 0 0 3 0 2 1 0 6 0 2 5 0 2 2 0 0 0 1 0 8 3 0 5 6 0 2 3 0 1 1 w m ) z h k 1 = f ( n o i t r o t s i dd r l 2 3 = ? p , o w m 0 4 = r l 6 1 = ? p , o w m 5 7 = r l 8 = ? p , o w m 0 5 1 = 2 . 0 2 . 0 2 . 0 % n i a g e g a t l o v p o o l d e s o l cg v z h k 1 = f6 39 31 4b d e c n a l a b l e n n a h c ? g v -1 b d e c n a t s i s e r t u p n ir i z h k 1 = f0 0 1k ? e s i o n t u p n i l a t o t n r s k 0 1 = ? a e v r u c = b , z h k 2 2 o t z h 2 2 = b 2 5 . 2 v n o i t c e j e r e g a t l o v y l p p u sr v s0 0 1 = 2 c = 1 c , z h 0 0 1 = f f4 20 3b d n o i t a r a p e s l e n n a h cc s z h k 1 = f0 5b d e g d i r b e g a t l o v y l p p u sv s -8 . 15 1v t n e r r u c n i a r d t n e c s i u qi d r l = 69 a m ) s t u p t u o e h t n e e w t e b ( e g a t l o v t e s f f o t u p t u ov s o r l 8 = ? 0 5 v m t n e r r u c s a i b t u p n ii b -0 0 1a n ) l e n n a h c h c a e ( r e w o p t u p t u o % 0 1 = d , z h k 1 = fp o r l 2 3 = ? v , s v 9 = v s v 6 = v s v 5 . 4 = v s v 3 = v s v 2 = r l 6 1 = ? v , s v 9 = v s v 6 = v s v 3 = r l 8 = ? v , s v 6 = v s v 5 . 4 = v s v 3 = r l 4 = ? v , s v 5 . 4 = v s v 3 = v s v 2 = 0 2 3 0 5 0 0 9 0 0 2 0 0 0 1 0 0 4 0 0 2 5 6 8 0 0 0 2 0 0 8 0 2 1 0 5 3 1 0 0 7 0 2 2 0 0 0 1 0 5 3 0 8 w m n o i t r o t s i ddr l 2 3 = ? p , o z h k 1 = f , w 5 . 0 =2 . 0% n i a g e g a t l o v p o o l d e s o l cg v z h k 1 = f9 3b d e c n a t s i s e r t u p n ir i z h k 1 = f0 0 1k ? e s i o n t u p n i l a t o t n r s k 0 1 = ? a e v r u c = b , z h k 2 2 o t z h 2 2 = b 5 . 2 3 v n o i t c e j e r e g a t l o v y l p p u sr v sz h 0 0 1 = f0 4b d ) b d 3 - ( h t i w d n a b r e w o pbr l 8 = ? p , o w 1 =0 2 1z h k electrical characteristics (v s =6v, t a =25c, unless otherwise specified )
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