d e s c r i p t i o n t h e b d 3 8 2 2 f s i s a n i c t h a t i n c o r p o r a t e s 6 - i n p u t s e l e c t o r , g a i n a m p l i f i e r s w i t c h , t u n e r g a i n s w i t c h , v o l u m e , 2 c o m p r e s s i o n a m p l i f i e r f o r l e v e l a n d a l c c i r c u i t . l o w d i s t o r t i o n a n d l o w n o i s e v o l u m e c a n b e c o n t r o l l e d b y i 2 c b u s . s o f t s w i t c h i n g a n d s o f t m u t e f u n c t i o n t o r e d u c e n o i s e o c c u r r e d a t s w i t c h i n g a r e i n c o r p o r a t e d . t h e s e f u n c t i o n s a r e p e r f e c t i n d e s i g n i n g h i g h - q u a l i t y s o u n d d v d r e c o r d e r . f e a t u r e s 1 ) l o w d i s t o r t i o n r a t e ( 0 . 0 0 1 5 % ) a n d l o w n o i s e ( 2 . 5 m v r m s ) a c h i e v e d b y r e s i s t a n c e l a d d e r t y p e v o l u m e . 2 ) s h o c k n o i s e o c c u r r e d a t s w i t c h i n g i s r e d u c e d b y s o f t s w i t c h i n g c i r c u i t . 3 ) b u i l t - i n a l c c i r c u i t c a n b e u s e d a s r f o u t p u t 4 ) p e r f e c t f o r l o w c u r r e n t c o n s u m p t i o n a n d e n e r g y s a v i n g d e s i g n d u e t o b i c m o s p r o c e s s 5 ) l a y o u t t e r m i n a l s f o r a u d i o i n p u t a n d a u d i o o u t p u t a r e l o c a t e d t o g e t h e r t o a r r a n g e t h e f l o w o f s i g n a l i n t h e s a m e d i r e c t i o n e n a b l i n g a n e a s y p a t t e r n l a y o u t a n d s a v i n g s p a c e o n t h e b o a r d . a p p l i c a t i o n s d v d r e c o r d e r , a u d i o a p p l i a n c e s d i m e n s i o n ( u n i t : m m ) * d e r a t i n g : 9 . 5 m w / ? c f o r o p e r a t i o n a b o v e t a = 2 5 ? c * p c b ( 7 0 m m x 7 0 m m , t = 1 . 6 m m ) g l a s s e p o x y m o u n t i n g . s s o p - a 3 2 0 . 1 5 0 . 1 5 0 . 1 0 . 3 m i n . 7 . 8 0 . 3 5 . 4 0 . 2 1 . 8 0 . 1 0 . 1 1 1 3 2 0 . 3 6 0 . 1 1 6 1 7 1 3 . 6 0 . 2 0 . 8 b d 3 8 2 2 f s s o u n d i / o i c f o r d v d r e c o r d e r s y m b o l l i m i t s u n i t a b s o l u t e m a x i m u m r a t i n g s ( t a = 2 5 ? c ) m a x i m u m a p p l i e d v o l t a g e p o w e r d i s s i p a t i o n o p e r a t i n g t e m p e r a t u r e r a n g e s t o r a g e t e m p e r a t u r e r a n g e p a r a m e t e r v c c p d t o p r t s t g 1 0 . 0 9 5 0 + 8 5 + 1 2 5 - 4 0 - 5 5 ~ ~ m w ? c ? c v s u p p l y v o l t a g e v c c 9 . 0 7 . 0 9 . 5 v o p e r a t i n g c o n d i t i o n s ( t a = 2 5 ? c ) p a r a m e t e r m i n . m a x . u n i t t y p . s y m b o l *
a p p l i c a t i o n c i r c u i t c i r c u i t c u r r e n t a t n o s i g n a l m o d e s t a n d b y c u r r e n t v o l t a g e g a i n m a x i m u m o u t p u t v o l t a g e c h a n n e l b a l a n c e t o t a l h a r m o n i c d i s t o r t i o n r a t e o u t p u t n o i s e v o l t a g e r e s i d u a l n o i s e v o l t a g e c l o s s t a l k b e t w e e n c h a n n e l s i q i o f f g v v o m c b t h d v n o v n o r c t c - - - 1 . 5 2 . 0 - 1 . 5 - - - - 7 5 4 0 0 2 . 5 0 0 . 0 0 1 5 3 . 2 2 - 1 1 0 3 0 1 0 0 0 1 . 5 - 1 . 5 0 . 0 5 1 6 1 0 - 8 0 m a m a d b v r m s d b % m v r m s m v r m s d b v i n = 0 v r m s " p o w e r o f f " m o d e g v = 2 0 l o g ( v o u t / v i n ) v o m a t t h d ( v o u t ) = 1 % , b w = 4 0 0 ~ 3 0 k h z c b = g v 1 - g v 2 , g v 1 : c h 1 g a i n , g v 2 : c h 2 g a i n 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 ( u n l e s s o t h e r w i s e n o t e d ; t a = 2 5 ? c , v c c = 9 v ) s y m b o l m i n . m a x . u n i t c o n d i t i o n s t y p . p a r a m e t e r 1 m t u n e r s a p t u n e r 1 f r o n t 1 f r o n t 2 r f o u t d / a a / d d v d s d a a l c 1 / 2 v c c p o w e r o n / o f f 2 a m p v c c v c c v o l v o l 0 ~ - 7 8 d b , - 8 . 1 2 d b 0 ~ - 7 8 d b , - i n p u t s e l e c t o r 0 , 4 . 6 , 4 . 8 , 5 . 0 , 5 . 2 , 5 . 4 , 5 . 6 , 6 . 0 d b g n d i 2 c b u s l o g i c s c l p o w e r o n / o f f d c 2 d c 1 l i n e o u t t u n e r 2 c a p 1 c a p 2 e x t 1 e x t 1 e x t 2 e x t 2 e x t 3 e x t 3 d e t 1 d e t 2 s a p _ o t u n e r 1 _ 0 t u n e r 2 _ 0 3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 8 1 7 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 m 1 m 1 0 m 1 0 m 1 m 1 m 2 . 2 m + + + + + + + + + + + + + + 1 m c h 1 c h 2 c h 1 c h 2 c h 1 c h 2 c h 1 c h 2 c h 1 c h 2 c h 1 c h 2 1 m 0 . 3 3 m 1 0 m 1 0 m 1 m 1 0 m 1 m 1 m 1 m 1 m 1 m 4 7 k 4 . 7 m 3 3 0 k 4 . 7 m 3 3 0 k + + 0 . 3 3 m + + + + + + + + + + + + + + + 1 0 m 1 0 m 1 0 m 4 . 7 m + + + + v i n = 2 v r m s , v o l u m e = - 1 2 d b , g a i n a m p = 5 . 6 d b , b w = 4 0 0 ~ 3 0 k h z v o l u m e = - 1 2 d b , g a i n a m p = 5 . 6 d b , r g = 0 w , b w = i h f - a v o l u m e = - d b , r g = 0 w , b w = i h f - a r g = 0 w , b w = i h f - a 1 9
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