View ADA4001-2_7937988.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

l o w n o i s e , l o w i n p u t b i a s c u r r e n t , r a i l - t o - r a i l o u t p u t , j f e t d u a l o p e r a t i o n a l a m p l i f i e r d a t a s h e e t a d a 4 0 0 1 - 2 r e v . c d o c u m e n t f e e d b a c k i n f o r m a t i o n f u r n i s h e d b y a n a l o g d e v i c e s i s b e l i e v e d t o b e a c c u r a t e a n d r e l i a b l e . h o w e v e r , n o r e s p o n s i b i l i t y i s a s s u m e d b y a n a l o g d e v i c e s f o r i t s u s e , n o r f o r a n y i n f r i n g e m e n t s o f p a t e n t s o r o t h e r r i g h t s o f t h i r d p a r t i e s t h a t m a y r e s u l t f r o m i t s u s e . 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 . n o l i c e n s e i s g r a n t e d b y i m p l i c a t i o n o r o t h e r w i s e u n d e r a n y p a t e n t o r p a t e n t r i g h t s o f a n a l o g d e v i c e s . t r a d e m a r k s a n d r e g i s t e r e d t r a d e m a r k s a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s . o n e t e c h n o l o g y w a y , p . o . b o x 9 1 0 6 , n o r w o o d , m a 0 2 0 6 2 - 9 1 0 6 , u . s . a . t e l : 7 8 1 . 3 2 9 . 4 7 0 0 ? 2 0 1 2 ? 2 0 1 3 a n a l o g d e v i c e s , i n c . a l l r i g h t s r e s e r v e d . t e c h n i c a l s u p p o r t w w w . a n a l o g . c o m f e a t u r e s l o w t c v o s : 5 v / c t y p i c a l l o w i n p u t b i a s c u r r e n t : 2 0 p a t y p i c a l a t v s y = 1 5 v l o w n o i s e 7 . 7 n v / h z t y p i c a l a t f = 1 k h z 1 . 2 v r m s a t 2 0 h z t o 2 0 k h z l o w d i s t o r t i o n : 0 . 0 0 0 0 6 % n o p h a s e r e v e r s a l r a i l - t o - r a i l o u t p u t u n i t y - g a i n s t a b l e a p p l i c a t i o n s i n s t r u m e n t a t i o n m e d i c a l i n s t r u m e n t s m u l t i p o l e f i l t e r s p r e c i s i o n c u r r e n t m e a s u r e m e n t p h o t o d i o d e a m p l i f i e r s s e n s o r s a u d i o p i n c o n f i g u r a t i o n 1 0 3 7 5 - 0 0 2 o u t a 1 ? i n a 2 + i n a 3 v ? 4 v + 8 o u t b 7 ? i n b 6 + i n b 5 a d a 4 0 0 1 - 2 t o p v i e w ( n o t t o s c a l e ) f i g u r e 1 . 8 - l e a d s o i c _ n ( r s u f f i x ) g e n e r a l d e s c r i p t i o n t h e a d a 4 0 0 1 - 2 i s a d u a l c h a n n e l j f e t a m p l i f i e r t h a t f e a t u r e s l o w i n p u t v o l t a g e n o i s e a n d c u r r e n t n o i s e , i n p u t b i a s c u r r e n t , a n d r a i l - t o - r a i l o u t p u t . t h e c o m b i n a t i o n o f l o w n o i s e a n d l o w i n p u t b i a s c u r r e n t m a k e s t h i s a m p l i f i e r e s p e c i a l l y s u i t a b l e f o r h i g h i m p e d a n c e s e n s o r a m p l i f i c a t i o n . w i t h l o w n o i s e a n d f a s t s e t t l i n g t i m e s , t h e a d a 4 0 0 1 - 2 p r o v i d e s g o o d a c c u r a c y f o r m e d i c a l i n s t r u m e n t s , e l e c t r o n i c m e a s u r e m e n t , a n d a u t o m a t e d t e s t e q u i p m e n t . u n l i k e m a n y c o m p e t i t i v e a m p l i f i e r s , t h e a d a 4 0 0 1 - 2 m a i n t a i n s f a s t s e t t l i n g p e r f o r m a n c e e v e n w i t h s u b s t a n t i a l c a p a c i t i v e l o a d s , a n d , u n l i k e m a n y o l d e r j f e t a m p l i f i e r s , t h e a d a 4 0 0 1 - 2 d o e s n o t s u f f e r f r o m o u t p u t p h a s e r e v e r s a l w h e n i n p u t v o l t a g e s e x c e e d t h e m a x i m u m c o m m o n - m o d e v o l t a g e r a n g e . w i t h f a s t s l e w r a t e a n d g r e a t s t a b i l i t y u n d e r c a p a c i t i v e l o a d s , t h e a d a 4 0 0 1 - 2 i s a g o o d f i t f o r f i l t e r a p p l i c a t i o n s . w i t h l o w i n p u t b i a s c u r r e n t s a n d n o i s e , i t o f f e r s a w i d e d y n a m i c r a n g e f o r p h o t o d i - o d e a m p l i f i e r c i r c u i t s . l o w n o i s e a n d d i s t o r t i o n , a l o n g w i t h h i g h o u t p u t c u r r e n t a n d e x c e l l e n t s p e e d , m a k e t h e a d a 4 0 0 1 - 2 a g r e a t c h o i c e f o r a u d i o a p p l i c a t i o n s . t h e a d a 4 0 0 1 - 2 i s s p e c i f i e d o v e r t h e 4 0 c t o + 1 2 5 c e x t e n d e d i n d u s t r i a l t e m p e r a t u r e r a n g e . t h e a d a 4 0 0 1 - 2 i s a v a i l a b l e i n a n 8 - l e a d n a r r o w s o i c p a c k a g e .
a d a 4 0 0 1 - 2 d a t a s h e e t r e v . c | p a g e 2 o f 1 2 t a b l e o f c o n t e n t s f e a t u r e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 a p p l i c a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 p i n c o n f i g u r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 g e n e r a l d e s c r i p t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 r e v i s i o n h i s t o r y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 s p e c i f i c a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 a b s o l u t e m a x i m u m r a t i n g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 t h e r m a l r e s i s t a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 e s d c a u t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 t y p i c a l p e r f o r m a n c e c h a r a c t e r i s t i c s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 a p p l i c a t i o n s i n f o r m a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0 t o t a l n o i s e i n c l u d i n g s o u r c e r e s i s t o r s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0 i - v c o n v e r s i o n a p p l i c a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0 i n p u t b i a s c u r r e n t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 n o i s e c o n s i d e r a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 o u t l i n e d i m e n s i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 o r d e r i n g g u i d e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 r e v i s i o n h i s t o r y 5 / 1 3 ? r e v . b t o r e v c c h a n g e s t o p h o t o d i o d e c i r c u i t s s e c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0 5 / 1 2 ? r e v . a t o r e v b c h a n g e s t o g e n e r a l d e s c r i p t i o n s e c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 c h a n g e d i n p u t i m p e d a n c e t o i n p u t c a p a c i t a n c e t h r o u g h o u t . . 3 a d d e d i n p u t r e s i s t a n c e p a r a m e t e r , t a b l e 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 c h a n g e t o f i g u r e 5 c a p t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 / 1 2 ? r e v . 0 t o r e v . a c h a n g e s t o f i g u r e 2 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 / 1 2 ? r e v i s i o n 0 : i n i t i a l v e r s i o n
d a t a s h e e t a d a 4 0 0 1 - 2 r e v . c | p a g e 3 o f 1 2 s p e c i f i c a t i o n 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 v s y = 1 5 v , v c m = 0 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 . t a b l e 1 . p a r a m e t e r s y m b o l t e s t c o n d i t i o n s / c o m m e n t s m i n t y p m a x u n i t i n p u t c h a r a c t e r i s t i c s o f f s e t v o l t a g e v o s 0 . 5 1 . 5 m v 4 0 c < t a < + 1 2 5 c 2 . 5 m v o f f s e t v o l t a g e d r i f t v o s / t 5 v / c i n p u t b i a s c u r r e n t i b 2 0 3 0 p a 4 0 c < t a < + 1 2 5 c 4 n a i n p u t o f f s e t c u r r e n t i o s 2 0 p a 4 0 c < t a < + 1 2 5 c 2 n a i n p u t v o l t a g e r a n g e 1 2 . 5 + 1 2 . 5 v c o m m o n - m o d e r e j e c t i o n r a t i o c m r r v c m = 1 2 . 5 v t o + 1 2 . 5 v 9 6 1 0 5 d b 4 0 c < t a < + 1 2 5 c 9 0 d b l a r g e s i g n a l v o l t a g e g a i n a v o r l = 1 0 k , v o = 1 3 . 5 v t o + 1 3 . 5 v 1 0 4 1 1 2 d b r l = 2 k , v o = 1 3 . 5 v t o + 1 3 . 5 v 1 0 4 1 1 2 d b 4 0 c < t a < + 1 2 5 c 9 0 d b r l = 6 0 0 , v o = 1 3 . 0 v t o + 1 3 . 0 v 9 0 9 3 d b i n p u t c a p a c i t a n c e , d i f f e r e n t i a l c d m v c m = 0 v 3 . 1 p f i n p u t c a p a c i t a n c e , c o m m o n - m o d e c c m v c m = 0 v 4 . 8 p f i n p u t r e s i s t a n c e v c m = 0 v > 1 1 0 1 3 o u t p u t c h a r a c t e r i s t i c s o u t p u t v o l t a g e h i g h v o h r l = 1 0 k 1 4 . 8 v r l = 2 k 1 4 . 5 v r l = 6 0 0 1 3 . 5 v o u t p u t v o l t a g e l o w v o l r l = 1 0 k 1 4 . 8 v r l = 2 k 1 4 . 5 v r l = 6 0 0 1 3 . 5 v s h o r t - c i r c u i t c u r r e n t i s c 5 0 m a p o w e r s u p p l y p o w e r s u p p l y r e j e c t i o n r a t i o p s r r v s = 4 . 5 v t o 1 8 v 9 6 1 1 0 d b 4 0 c < t a < + 1 2 5 c 9 3 d b o p e r a t i n g v o l t a g e r a n g e 5 1 8 v s u p p l y c u r r e n t / a m p l i f i e r i s y v o = 0 v 2 3 m a 4 m a d y n a m i c p e r f o r m a n c e s l e w r a t e s r r l = 2 k 1 5 1 2 5 v / s g a i n b a n d w i d t h p r o d u c t g b p v i n = 5 m v p - p , r l = 1 0 k , a v = 1 0 0 1 6 . 7 m h z u n i t y - g a i n c r o s s o v e r u g c v i n = 5 m v p - p , r l = 1 0 k , a v = 1 1 0 . 2 m h z p h a s e m a r g i n m 7 6 d e g r e e s 3 d b c l o s e d - l o o p b a n d w i d t h 3 d b a v = 1 , v i n = 5 m v p - p 1 0 . 3 m h z s e t t l i n g t i m e t s t o 0 . 0 1 % , 1 0 v s t e p , g = + 1 1 . 2 s 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 ) + n o i s e t h d + n 1 k h z , g = + 1 , r l = 2 k 0 . 0 0 0 0 6 % n o i s e p e r f o r m a n c e v o l t a g e n o i s e e n r m s 2 0 h z t o 2 0 k h z 1 . 2 v r m s v o l t a g e n o i s e d e n s i t y e n f = 1 0 0 h z 8 . 8 n v / h z f = 1 k h z 7 . 7 n v / h z c u r r e n t n o i s e d e n s i t y i n f = 1 k h z 3 f a / h z 1 g u a r a n t e e d b y d e s i g n a n d c h a r a c t e r i z a t i o n .
a d a 4 0 0 1 - 2 d a t a s h e e t r e v . c | p a g e 4 o f 1 2 a b s o l u t e m a x i m u m r a t i n g s t a b l e 2 . p a r a m e t e r r a t i n g s u p p l y v o l t a g e 1 8 v i n p u t v o l t a g e v s y o u t p u t s h o r t - c i r c u i t d u r a t i o n t o g n d o b s e r v e d e r a t i n g c u r v e s s t o r a g e t e m p e r a t u r e r a n g e 6 5 c t o + 1 5 0 c 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 4 0 c t o + 1 2 5 c j u n c t i o n t e m p e r a t u r e r a n g e 6 5 c t o + 1 5 0 c l e a d t e m p e r a t u r e ( s o l d e r i n g , 1 0 s e c ) 3 0 0 c e l e c t r o s t a t i c d i s c h a r g e ( h u m a n b o d y m o d e l ) 3 0 0 0 v s t r e s s e s a b o v e t h o s e l i s t e d u n d e r a b s o l u t e m a x i m u m r a t i n g s m a y c a u s e p e r m a n e n t d a m a g e t o t h e d e v i c e . t h i s i s a s t r e s s r a t i n g o n l y ; f u n c t i o n a l o p e r a t i o n o f t h e d e v i c e a t t h e s e o r a n y o t h e r c o n d i t i o n s a b o v e t h o s e i n d i c a t e d i n t h e o p e r a t i o n a l s e c t i o n o f t h i s s p e c i f i c a t i o n i s n o t i m p l i e d . e x p o s u r e t o a b s o l u t e m a x i m u m r a t i n g c o n d i t i o n s f o r e x t e n d e d p e r i o d s m a y a f f e c t d e v i c e r e l i a b i l i t y . t h e r m a l r e s i s t a n c e t a b l e 3 . p a c k a g e t y p e j a 1 j c u n i t 8 - l e a d s o i c _ n ( r - 8 ) 1 3 0 4 5 c / w 1 j a i s s p e c i f i e d f o r w o r s t - c a s e c o n d i t i o n s , t h a t i s , j a i s s p e c i f i e d f o r a d e v i c e s o l d e r e d i n a c i r c u i t b o a r d f o r s u r f a c e - m o u n t p a c k a g e s . e s d c a u t i o n
d a t a s h e e t a d a 4 0 0 1 - 2 r e v . c | p a g e 5 o f 1 2 t y p i c a l p e r f o r m a n c e c h a r a c t e r i s t i c s 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 . 1 4 0 1 6 0 1 8 0 2 0 0 1 2 0 1 0 0 8 0 6 0 4 0 2 0 0 ? 8 0 0 ? 7 0 0 ? 6 0 0 ? 5 0 0 ? 4 0 0 ? 3 0 0 ? 2 0 0 ? 1 0 0 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 8 0 0 o f f s e t v o l t a g e ( v ) n u m b e r o f c h a n n e l s 1 0 3 7 5 - 0 0 3 a d a 4 0 0 1 - 2 s o i c v s y = 1 5 v t a = 2 5 c f i g u r e 2 . i n p u t o f f s e t v o l t a g e d i s t r i b u t i o n 1 4 0 1 2 0 1 0 0 8 0 6 0 4 0 2 0 0 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5 4 . 0 4 . 5 5 . 0 5 . 5 6 . 0 6 . 5 7 . 0 7 . 5 8 . 0 8 . 5 9 . 0 9 . 5 1 0 . 0 1 0 . 5 t c v o s ( v / c ) a d a 4 0 0 1 - 2 v s y = 1 5 v t a = ? 4 0 c t o + 1 2 5 c n u m b e r o f a m p l i f i e r s 1 0 3 7 5 - 0 0 4 f i g u r e 3 . t c v o s d i s t r i b u t i o n 3 0 0 2 0 0 1 0 0 0 ? 1 0 0 ? 2 0 0 ? 3 0 0 ? 1 5 ? 1 0 ? 5 0 5 1 0 1 5 c o m m o n - m o d e i n p u t v o l t a g e ( v ) i n p u t o f f s e t v o l t a g e ( v ) 1 0 3 7 5 - 0 0 5 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = ? 4 0 c t o + 1 2 5 c u n i t 3 u n i t 2 u n i t 1 f i g u r e 4 . i n p u t o f f s e t v o l t a g e v s . c o m m o n - m o d e v o l t a g e 1 5 1 0 50 ? 5 ? 1 0 ? 1 5 ? 1 5 ? 1 0 ? 5 0 5 1 0 1 5 c o m m o n - m o d e i n p u t v o l t a g e ( v ) i n p u t b i a s c u r r e n t ( p a ) 1 0 3 7 5 - 0 0 6 a d a 4 0 0 1 - 2 s o i c v s y = 1 5 v t a = 2 5 c r l = ? t h r e e u n i t s f i g u r e 5 . i n p u t b i a s c u r r e n t v s . c o m m o n - m o d e v o l t a g e 1 0 0 7 5 5 0 2 5 0 ? 2 5 ? 5 0 ? 1 5 ? 1 0 ? 5 + 8 5 c + 1 2 5 c ? 4 0 c 0 5 1 0 1 5 c o m m o n - m o d e i n p u t v o l t a g e ( v ) i n p u t b i a s c u r r e n t ( p a ) 1 0 3 7 5 - 0 0 7 a d a 4 0 0 1 - 2 s o i c v s y = 1 5 v r l = ? + 2 5 c f i g u r e 6 . i n p u t b i a s c u r r e n t v s . v c m a n d t e m p e r a t u r e 1 0 1 0 . 1 0 . 0 1 0 . 1 1 1 0 1 0 0 i o u t s o u r c e ( m a ) v d d ? v o u t ( v ) 1 0 3 7 5 - 0 0 8 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c f i g u r e 7 . d r o p o u t v o l t a g e v s . s o u r c e c u r r e n t
a d a 4 0 0 1 - 2 d a t a s h e e t r e v . c | p a g e 6 o f 1 2 1 0 1 0 . 1 0 . 0 1 0 . 1 0 . 0 1 1 1 0 1 0 0 i o u t s i n k ( m a ) v o u t ? v s s ( v ) 1 0 3 7 5 - 0 0 9 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c f i g u r e 8 . d r o p o u t v o l t a g e v s . s i n k c u r r e n t 1 2 0 2 7 0 2 2 5 1 8 0 1 3 5 9 0 4 5 0? 4 5 ? 9 0 1 0 0 8 0 6 0 4 0 2 0 0 ? 2 0 ? 4 0 0 . 0 1 0 . 1 1 1 0 1 0 0 1 k 1 0 k 1 0 0 k f r e q u e n c y ( k h z ) g a i n ( d b ) p h a s e ( d e g r e e s ) 1 0 3 7 5 - 0 1 2 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c r l n? f i g u r e 9 . o p e n - 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 5 0 3 0 1 0 ? 1 0 ? 3 0 1 1 0 1 0 0 1 k 1 0 k 1 0 0 k f r e q u e n c y ( k h z ) g a i n ( d b ) 1 0 3 7 5 - 0 1 3 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c r l n? a v = + 1 0 0 a v = + 1 0 a v = + 1 f i g u r e 1 0 . c l o s e d - l o o p g a i n v s . f r e q u e n c y 1 k 1 0 0 1 0 1 0 . 1 0 . 0 1 1 0 . 1 1 0 1 0 0 1 k 1 0 k 1 0 0 k f r e q u e n c y ( k h z ) z o u t ? 1 0 3 7 5 - 0 1 4 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c a v = + 1 0 0 a v = + 1 0 a v = + 1 f i g u r e 1 1 . c l o s e d - l o o p o u t p u t i m p e d a n c e v s . f r e q u e n c y 1 2 0 1 0 0 8 0 6 0 4 0 2 0 0 ? 2 0 1 0 . 1 1 0 1 0 0 1 k 1 0 k f r e q u e n c y ( k h z ) p s r r ( d b ) 1 0 3 7 5 - 0 1 5 p s r r ? p s r r + a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c f i g u r e 1 2 . p s r r v s . f r e q u e n c y 1 2 0 1 4 0 1 0 0 8 0 6 0 4 0 2 0 0 1 0 . 1 1 0 1 0 0 1 k 1 0 k f r e q u e n c y ( k h z ) c m r r ( d b ) 1 0 3 7 5 - 0 1 6 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c f i g u r e 1 3 . c m r r v s . f r e q u e n c y
d a t a s h e e t a d a 4 0 0 1 - 2 r e v . c | p a g e 7 o f 1 2 1 2 0 . 1 % 0 . 0 1 % 1 0 86 4 2 0 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 . 2 s e t t l i n g t i m e ( s ) s t e p s i z e ( v ) 1 0 3 7 5 - 0 2 9 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c f i g u r e 1 4 . s e t t l i n g t i m e p o s i t i v e s t e p 1 2 8 1 0 4 60 2 ? 4 ? 2 ? 8 ? 6 ? 1 2 ? 1 0 0 2 4 6 8 1 3 5 7 9 1 0 t i m e ( s ) v o l t s ( v ) 1 0 3 7 5 - 0 3 0 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c a v = + 1 r l n? c l = 1 0 0 p f f i g u r e 1 5 . l a r g e s i g n a l t r a n s i e n t r e s p o n s e 7 5 5 0 2 5 0 ? 2 5 ? 5 0 ? 7 5 0 2 4 6 8 1 0 t i m e ( s ) v o l t a g e ( m v ) 1 0 3 7 5 - 0 1 7 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c a v = + 1 r l n? c l = 1 0 0 p f f i g u r e 1 6 . s m a l l s i g n a l t r a n s i e n t r e s p o n s e 1 2 0 . 1 % 0 . 0 1 % 1 0 86 4 2 0 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 . 2 s e t t l i n g t i m e ( s ) s t e p s i z e ( v ) 1 0 3 7 5 - 0 1 8 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c f i g u r e 1 7 . s e t t l i n g t i m e n e g a t i v e s t e p 1 0 0 1 0 1 0 . 0 0 1 0 . 0 1 0 . 1 1 1 0 1 0 0 f r e q u e n c y ( k h z ) v o l t a g e n o i s e d e n s i t y ( n v / h z ) 1 0 3 7 5 - 0 2 1 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c f i g u r e 1 8 . v o l t a g e n o i s e d e n s i t y 4 0 4 5 5 0 3 5 3 0 0 2 5 2 0 1 5 1 0 5 0 . 0 1 0 . 1 1 c a p a c i t a n c e ( n f ) o v e r s h o o t ( % ) 1 0 3 7 5 - 0 2 2 o s ? o s + a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c a v = + 1 f i g u r e 1 9 . o v e r s h o o t v s . l o a d c a p a c i t a n c e
a d a 4 0 0 1 - 2 d a t a s h e e t r e v . c | p a g e 8 o f 1 2 ? 4 0 ? 6 0 ? 1 0 0 ? 8 0 ? 1 2 0 ? 1 4 0 ? 1 6 0 0 . 0 1 0 . 1 1 1 0 1 0 0 f r e q u e n c y ( k h z ) c h a n n e l s e p a r a t i o n ( d b ) 1 0 3 7 5 - 0 3 1 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c r l n? f i g u r e 2 0 . c h a n n e l s e p a r a t i o n 1 0 . 1 0 . 0 1 0 . 0 0 1 0 . 0 0 0 1 0 . 0 0 0 0 1 0 . 1 0 . 0 1 0 . 0 0 1 1 1 0 a m p l i t u d e ( v r m s ) t h d + n ( % ) 1 0 3 7 5 - 0 2 4 a d a 4 0 0 1 - 2 v s y = 1 5 v f i n = 1 k h z t a = 2 5 c r l n? f i g u r e 2 1 . t h d + n v s . a m p l i t u d e 0 . 0 1 0 . 0 0 1 0 . 0 0 0 1 0 . 0 0 0 0 1 1 0 . 1 0 . 0 1 1 0 1 0 0 f r e q u e n c y ( k h z ) t h d + n ( % ) 1 0 3 7 5 - 0 2 5 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c r l n? 5 0 0 k h z f i l t e r 8 0 k h z f i l t e r f i g u r e 2 2 . t h d + n v s . f r e q u e n c y 2 0 1 5 1 0 50 ? 5 ? 1 0 ? 1 5 ? 2 0 0 0 . 1 0 . 2 0 . 3 0 . 4 0 . 5 0 . 6 0 . 7 0 . 8 0 . 9 1 . 0 t i m e ( m s ) v o l t s ( v ) 1 0 3 7 5 - 0 2 6 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c a v = + 1 r l n? c l = 1 0 0 p f o u t p u t i n p u t f i g u r e 2 3 . n o p h a s e r e v e r s a l 1 2 8 1 0 4 60 2 ? 4 ? 2 ? 8 ? 6 ? 1 2 ? 1 0 0 0 . 4 0 . 8 1 . 2 1 . 6 0 . 2 0 . 6 1 . 0 1 . 4 1 . 8 2 . 0 t i m e ( s ) v o l t s ( v ) 1 0 3 7 5 - 0 3 2 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c a v = + 1 r l n? c l = 1 0 0 p f f i g u r e 2 4 . p o s i t i v e s l e w r a t e 1 2 8 1 0 4 60 2 ? 4 ? 2 ? 8 ? 6 ? 1 2 ? 1 0 0 0 . 4 0 . 8 1 . 2 1 . 6 0 . 2 0 . 6 1 . 0 1 . 4 1 . 8 2 . 0 t i m e ( s ) v o l t s ( v ) 1 0 3 7 5 - 0 3 3 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c a v = + 1 r l n? c l = 1 0 0 p f f i g u r e 2 5 . n e g a t i v e s l e w r a t e
d a t a s h e e t a d a 4 0 0 1 - 2 r e v . c | p a g e 9 o f 1 2 3 0 0 2 0 0 1 0 0 0 ? 1 0 0 ? 2 0 0 ? 3 0 0 0 1 2 3 4 5 6 7 8 9 1 0 t i m e ( s e c ) v o l t a g e ( n v ) 1 0 3 7 5 - 0 2 7 a d a 4 0 0 1 - 2 v s y = 1 5 v t a = 2 5 c f i g u r e 2 6 . p e a k - t o - p e a k v o l t a g e n o i s e 3 . 5 3 . 0 2 . 5 2 . 0 1 . 5 1 . 0 0 . 50 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 v s y ( v ) i s y f o r b o t h a m p l i f i e r s ( m a ) 1 0 3 7 5 - 0 2 8 a d a 4 0 0 1 - 2 n o l o a d a v = + 1 v c m = 0 v + 1 2 5 c + 8 5 c + 2 5 c ? 4 0 c f i g u r e 2 7 . 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 a n d t e m p e r a t u r e
a d a 4 0 0 1 - 2 d a t a s h e e t r e v . c | p a g e 1 0 o f 1 2 a p p l i c a t i o n s i n f o r m a t i o n t o t a l n o i s e i n c l u d i n g s o u r c e r e s i s t o r s t h e l o w i n p u t c u r r e n t n o i s e a n d i n p u t b i a s c u r r e n t o f t h e a d a 4 0 0 1 - 2 m a k e s i t t h e i d e a l a m p l i f i e r f o r c i r c u i t s w i t h s u b s t a n t i a l i n p u t s o u r c e r e s i s t a n c e . i n p u t o f f s e t v o l t a g e i n c r e a s e s b y l e s s t h a n 1 5 n v p e r 5 0 0 o f s o u r c e r e s i s t a n c e a t r o o m t e m p e r a t u r e . t h e t o t a l n o i s e d e n s i t y o f t h e c i r c u i t i s s s n n n t o t a l k t r r i e e 4 2 2 w h e r e : e n i s t h e i n p u t v o l t a g e n o i s e d e n s i t y o f t h e p a r t . i n i s t h e i n p u t c u r r e n t n o i s e d e n s i t y o f t h e p a r t . r s i s t h e s o u r c e r e s i s t a n c e a t t h e n o n i n v e r t i n g t e r m i n a l . k i s b o l t z m a n n ? s c o n s t a n t ( 1 . 3 8 1 0 ? 2 3 j / k ) . t i s t h e a m b i e n t t e m p e r a t u r e i n k e l v i n ( t = 2 7 3 + c ) . f o r r s < 4 k , e n d o m i n a t e s a n d e n t o t a l e n . t h e c u r r e n t n o i s e o f t h e a d a 4 0 0 1 - 2 i s s o l o w t h a t i t s t o t a l d e n s i t y d o e s n o t b e c o m e a s i g n i f i c a n t t e r m u n l e s s r s i s g r e a t e r t h a n 1 0 0 m , a n i m p r a c t i c a l v a l u e f o r m o s t a p p l i c a t i o n s . t h e t o t a l e q u i v a l e n t r m s n o i s e o v e r a s p e c i f i c b a n d w i d t h i s e x p r e s s e d a s b w e e n t o t a l n t o t a l w h e r e b w i s t h e b a n d w i d t h i n h e r t z . n o t e t h a t t h e p r e v i o u s a n a l y s i s i s v a l i d f o r f r e q u e n c i e s l a r g e r t h a n 1 5 0 h z a n d a s s u m e s f l a t n o i s e a b o v e 1 0 k h z . f o r l o w e r f r e q u e n c i e s , f l i c k e r n o i s e ( 1 / f ) m u s t b e c o n s i d e r e d . i - v c o n v e r s i o n a p p l i c a t i o n s p h o t o d i o d e c i r c u i t s c o m m o n a p p l i c a t i o n s f o r i - v c o n v e r s i o n i n c l u d e p h o t o d i o d e c i r c u i t s w h e r e t h e a m p l i f i e r i s u s e d t o c o n v e r t a c u r r e n t e m i t t e d b y a d i o d e p l a c e d a t t h e n e g a t i v e i n p u t t e r m i n a l i n t o a n o u t p u t v o l t a g e . t h e a d a 4 0 0 1 - 2 l o w i n p u t b i a s c u r r e n t , w i d e b a n d w i d t h , a n d l o w n o i s e m a k e s i t a n e x c e l l e n t c h o i c e f o r v a r i o u s p h o t o d i o d e a p p l i c a t i o n s , i n c l u d i n g f a x m a c h i n e s , f i b e r o p t i c c o n t r o l s , m o t i o n s e n s o r s , a n d b a r c o d e r e a d e r s . t h e c i r c u i t s h o w n i n f i g u r e 2 8 u s e s a s i l i c o n d i o d e w i t h z e r o b i a s v o l t a g e . t h i s i s k n o w n a s a p h o t o v o l t a i c m o d e ; t h i s c o n f i g u r a t i o n l i m i t s t h e o v e r a l l n o i s e a n d i s s u i t a b l e f o r i n s t r u m e n t a t i o n a p p l i c a t i o n s . 4 8 3 1 2 a d a 4 0 0 1 - 2 c f r 2 r d c t v e e v c c 1 0 3 7 5 - 0 3 4 f i g u r e 2 8 . e q u i v a l e n t p r e a m p l i f i e r p h o t o d i o d e c i r c u i t a l a r g e r s i g n a l b a n d w i d t h c a n b e a t t a i n e d a t t h e e x p e n s e o f a d d i t i o n a l o u t p u t n o i s e . t h e t o t a l i n p u t c a p a c i t a n c e ( c t ) c o n s i s t s o f t h e s u m o f t h e d i o d e c a p a c i t a n c e a n d t h e a m p l i f i e r ? s i n p u t c a p a c i t a n c e ( 8 p f ) , w h i c h i n c l u d e s e x t e r n a l p a r a s i t i c c a p a c i t a n c e . c t c r e a t e s a p o l e i n t h e f r e q u e n c y r e s p o n s e t h a t c a n l e a d t o a n u n s t a b l e s y s t e m . t o e n s u r e s t a b i l i t y a n d o p t i m i z e t h e b a n d w i d t h o f t h e s i g n a l , a c a p a c i t o r i s p l a c e d i n t h e f e e d b a c k l o o p o f t h e c i r c u i t s h o w n i n f i g u r e 2 8 . i t c r e a t e s a z e r o a n d y i e l d s a b a n d w i d t h w h o s e c o r n e r f r e q u e n c y i s 1 / ( 2 ( r 2 c f ) ) . t h e v a l u e o f r 2 c a n b e d e t e r m i n e d b y t h e r a t i o v / i d w h e r e : v i s t h e d e s i r e d o u t p u t v o l t a g e o f t h e o p a m p . i d i s t h e d i o d e c u r r e n t . f o r e x a m p l e , i f i d i s 1 0 0 a a n d a 1 0 v o u t p u t v o l t a g e i s d e s i r e d , r 2 s h o u l d b e 1 0 0 k . r d ( s e e f i g u r e 2 8 ) i s a j u n c t i o n r e s i s t a n c e t h a t d r o p s t y p i c a l l y b y a f a c t o r o f 2 f o r e v e r y 1 0 c i n c r e a s e i n t e m p e r a t u r e . a t y p i c a l v a l u e f o r r d i s 1 0 0 0 m . b e c a u s e r d > > r 2 , t h e c i r c u i t b e h a v i o r i s n o t i m p a c t e d b y t h e e f f e c t o f t h e j u n c t i o n r e s i s t a n c e . t h e m a x i m u m s i g n a l b a n d w i d t h i s c t r f t f m a x 2 2 s w h e r e f t i s t h e u n i t y g a i n f r e q u e n c y o f t h e a m p l i f i e r . c f c a n b e c a l c u l a t e d b y f t r c t c f 2 2 s w h e r e f t i s t h e u n i t y g a i n f r e q u e n c y o f t h e o p a m p , a n d i t a c h i e v e s a p h a s e m a r g i n , m , o f a p p r o x i m a t e l y 4 5 . a h i g h e r p h a s e m a r g i n c a n b e o b t a i n e d b y i n c r e a s i n g t h e v a l u e o f c f . s e t t i n g c f t o t w i c e t h e p r e v i o u s v a l u e y i e l d s a p p r o x i m a t e l y m = 6 5 a n d a m a x i m a l f l a t f r e q u e n c y r e s p o n s e , b u t i t r e d u c e s t h e m a x i m u m s i g n a l b a n d w i d t h b y 5 0 % .
d a t a s h e e t a d a 4 0 0 1 - 2 r e v . c | p a g e 1 1 o f 1 2 i n p u t b i a s c u r r e n t b e c a u s e t h e a d a 4 0 0 1 - 2 h a s a j f e t i n p u t s t a g e , t h e i n p u t b i a s c u r r e n t , d u e t o t h e r e v e r s e - b i a s e d j u n c t i o n , h a s a l e a k a g e c u r r e n t t h a t a p p r o x i m a t e l y d o u b l e s e v e r y 1 0 c . t h e p o w e r d i s s i p a t i o n o f t h e p a r t , c o m b i n e d w i t h t h e t h e r m a l r e s i s t a n c e o f t h e p a c k a g e , r e s u l t s i n t h e j u n c t i o n t e m p e r a t u r e i n c r e a s i n g 3 0 c a b o v e a m b i e n t . t h i s p a r a m e t e r i s t e s t e d w i t h h i g h s p e e d a t e e q u i p m e n t , w h i c h d o e s n o t r e s u l t i n t h e d i e t e m p e r a t u r e r e a c h i n g e q u i l i b r i u m . t h i s i s c o r r e l a t e d w i t h b e n c h m e a s u r e m e n t s t o m a t c h t h e g u a r a n t e e d m a x i m u m a t r o o m t e m p e r a t u r e i n t a b l e 1 . t h e i n p u t c u r r e n t c a n b e r e d u c e d b y k e e p i n g t h e t e m p e r a t u r e a s l o w a s p o s s i b l e a n d u s i n g a l i g h t l o a d o n t h e o u t p u t . n o i s e c o n s i d e r a t i o n s t h e j f e t i n p u t s t a g e o f f e r s v e r y l o w i n p u t v o l t a g e n o i s e a n d i n p u t c u r r e n t n o i s e . t h e t h e r m a l n o i s e o f a 1 k r e s i s t o r a t r o o m t e m p e r a t u r e i s 4 n v / h z , t h u s l o w v a l u e s o f r e s i s t a n c e s h o u l d b e u s e d f o r d c - c o u p l e d i n v e r t i n g a n d n o n i n v e r t i n g a m p l i f i e r c o n f i g u r a t i o n s . i n t h e c a s e o f t r a n s i m p e d a n c e a m p l i f i e r s ( t i a s ) , c u r r e n t n o i s e i s m o r e i m p o r t a n t . t h e a d a 4 0 0 1 - 2 i s a n e x c e l l e n t c h o i c e f o r b o t h o f t h e s e a p p l i c a t i o n s . a n a l o g d e v i c e s , i n c . , o f f e r s a w i d e v a r i e t y o f l o w v o l t a g e n o i s e a n d l o w c u r r e n t n o i s e o p a m p s i n a v a r i e t y o f p r o c e s s e s o p t i m i z e d f o r d i f f e r e n t s u p p l y v o l t a g e r a n g e s . r e f e r t o t h e a n - 9 4 0 a p p l i c a t i o n n o t e f o r a c o m p l e t e d i s c u s s i o n o f n o i s e , c a l c u l a t i o n s , a n d s e l e c t i o n t a b l e s f o r m o r e t h a n t h r e e d o z e n l o w n o i s e , o p a m p f a m i l i e s .
a d a 4 0 0 1 - 2 d a t a s h e e t r e v . c | p a g e 1 2 o f 1 2 o u t l i n e d i m e n s i o n s c o n t r o l l i n g d i m e n s i o n s a r e i n m i l l i m e t e r s ; i n c h d i m e n s i o n s ( i n p a r e n t h e s e s ) a r e r o u n d e d - o f f m i l l i m e t e r e q u i v a l e n t s f o r r e f e r e n c e o n l y a n d a r e n o t a p p r o p r i a t e f o r u s e i n d e s i g n . c o m p l i a n t t o j e d e c s t a n d a r d s m s - 0 1 2 - a a 0 1 2 4 0 7 - a 0 . 2 5 ( 0 . 0 0 9 8 ) 0 . 1 7 ( 0 . 0 0 6 7 ) 1 . 2 7 ( 0 . 0 5 0 0 ) 0 . 4 0 ( 0 . 0 1 5 7 ) 0 . 5 0 ( 0 . 0 1 9 6 ) 0 . 2 5 ( 0 . 0 0 9 9 ) 4 5 8 0 1 . 7 5 ( 0 . 0 6 8 8 ) 1 . 3 5 ( 0 . 0 5 3 2 ) s e a t i n g p l a n e 0 . 2 5 ( 0 . 0 0 9 8 ) 0 . 1 0 ( 0 . 0 0 4 0 ) 4 1 8 5 5 . 0 0 ( 0 . 1 9 6 8 ) 4 . 8 0 ( 0 . 1 8 9 0 ) 4 . 0 0 ( 0 . 1 5 7 4 ) 3 . 8 0 ( 0 . 1 4 9 7 ) 1 . 2 7 ( 0 . 0 5 0 0 ) b s c 6 . 2 0 ( 0 . 2 4 4 1 ) 5 . 8 0 ( 0 . 2 2 8 4 ) 0 . 5 1 ( 0 . 0 2 0 1 ) 0 . 3 1 ( 0 . 0 1 2 2 ) c o p l a n a r i t y 0 . 1 0 f i g u r e 2 9 . 8 - l e a d s t a n d a r d s m a l l o u t l i n e p a c k a g e [ s o i c _ n ] n a r r o w b o d y ( r - 8 ) d i m e n s i o n s s h o w n i n m i l l i m e t e r s a n d ( i n c h e s ) o r d e r i n g g u i d e m o d e l 1 t e m p e r a t u r e r a n g e p a c k a g e d e s c r i p t i o n p a c k a g e o p t i o n a d a 4 0 0 1 - 2 a r z ? 4 0 c t o + 1 2 5 c 8 - l e a d s o i c _ n r - 8 a d a 4 0 0 1 - 2 a r z - r 7 ? 4 0 c t o + 1 2 5 c 8 - l e a d s o i c _ n r - 8 a d a 4 0 0 1 - 2 a r z - r l ? 4 0 c t o + 1 2 5 c 8 - l e a d s o i c _ n r - 8 1 z = r o h s c o m p l i a n t p a r t . ? 2 0 1 2 ? 2 0 1 3 a n a l o g d e v i c e s , i n c . a l l r i g h t s r e s e r v e d . t r a d e m a r k s a n d r e g i s t e r e d t r a d e m a r k s a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s . d 1 0 3 7 5 - 0 - 5 / 1 3 ( c )

▲Up To Search▲

Price & Availability of ADA4001-2

	To Download ADA4001-2 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .