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l o w p o w e r , a d j u s t a b l e u v a n d o v m o n i t o r w i t h 4 0 0 m v , 0 . 2 7 5 % r e f e r e n c e d a t a s h e e t a d c m p 6 7 1 r e v . 0 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 w w w . a n a l o g . c o m f a x : 7 8 1 . 4 6 1 . 3 1 1 3 ? 2 0 1 1 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 . f e a t u r e s w i n d o w m o n i t o r i n g w i t h m i n i m u m p r o c e s s o r i / o i n d i v i d u a l l y m o n i t o r i n g n r a i l s w i t h o n l y n + 1 p r o c e s s o r i / o 4 0 0 m v 0 . 2 7 5 % t h r e s h o l d a t v d d = 3 . 3 v , 2 5 c s u p p l y r a n g e : 1 . 7 v t o 5 . 5 v l o w q u i e s c e n t c u r r e n t : 1 7 a m a x i m u m a t 1 2 5 c i n p u t r a n g e i n c l u d e s g r o u n d i n t e r n a l h y s t e r e s i s : 9 . 2 m v 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 . 5 n a m a x i m u m o p e n - d r a i n o u t p u t s p o w e r g o o d i n d i c a t i o n o u t p u t d e s i g n a t e d o v e r v o l t a g e i n d i c a t i o n o u t p u t l o w p r o f i l e ( 1 m m ) , 6 - l e a d t s o t p a c k a g e a p p l i c a t i o n s s u p p l y v o l t a g e m o n i t o r i n g l i - i o n m o n i t o r i n g p o r t a b l e a p p l i c a t i o n s h a n d h e l d i n s t r u m e n t s f u n c t i o n a l b l o c k d i a g r a m i n h u v o v i n l v d d g n d 4 0 0 m v a d c m p 6 7 1 p w r g d o v 1 0 1 6 0 - 0 0 1 f i g u r e 1 . g e n e r a l d e s c r i p t i o n t h e a d c m p 6 7 1 v o l t a g e m o n i t o r c o n s i s t s o f t w o l o w p o w e r , h i g h a c c u r a c y c o m p a r a t o r s a n d r e f e r e n c e c i r c u i t s . i t o p e r a t e s o n a s u p p l y v o l t a g e f r o m 1 . 7 v t o 5 . 5 v a n d d r a w s 1 7 a m a x i m u m , m a k i n g i t s u i t a b l e f o r l o w p o w e r s y s t e m m o n i t o r i n g a n d p o r t a b l e a p p l i c a t i o n s . t h e p a r t i s d e s i g n e d t o m o n i t o r a n d r e p o r t s u p p l y u n d e r v o l t a g e a n d o v e r v o l t a g e f a u l t . t h e l o w i n p u t b i a s c u r r e n t a n d v o l t a g e r e f e r e n c e a l l o w s r e s i s t o r a d j u s t a b l e u v a n d o v t h r e s h o l d d o w n t o 4 0 0 m v . t h e a d c m p 6 7 1 h a s t w o o p e n - d r a i n o u t p u t s : t h e p w r g d o u t p u t i n d i c a t e s t h a t t h e s u p p l y i s w i t h i n t h e u v a n d o v w i n d o w , a n d t h e o v o u t p u t i n d i c a t e s t h a t t h e s u p p l y i s o v e r v o l t a g e . t h i s o u t p u t c o m b i n a t i o n a l l o w s u s e r s t o w i n d o w m o n i t o r n s u p p l i e s w i t h a n n + 1 p r o c e s s o r i n p u t / o u t p u t ( i / o ) . e a c h o u t p u t i s g u a r a n t e e d t o s i n k g r e a t e r t h a n 5 m a o v e r t e m p e r a t u r e . t h e a d c m p 6 7 1 i s a v a i l a b l e i n 6 - l e a d t s o t p a c k a g e . t h e d e v i c e o p e r a t e s o v e r t h e ? 4 0 c t o + 1 2 5 c t e m p e r a t u r e r a n g e . 3 8 6 t h r e s h o l d v o l t a g e ( m v ) t e m p e r a t u r e ( c ) ? 4 0 ? 2 0 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 4 0 4 4 0 2 4 0 0 3 9 8 3 9 6 3 9 4 3 9 2 3 9 0 3 8 8 r i s i n g i n p u t f a l l i n g i n p u t i n l 2 i n h 2 i n l 1 i n h 1 t w o t y p i c a l p a r t s c o m p a r a t o r a a n d c o m p a r a t o r b v d d = 5 v 1 0 1 6 0 - 0 0 2 f i g u r e 2 . c o m p a r a t o r t h r e s h o l d s v s . t e m p e r a t u r e
a d c m p 6 7 1 d a t a s h e e t r e v . 0 | p a g e 2 o f 1 6 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 f u n c t i o n a l b l o c k d i a g r a m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 a b s o l u t e m a x i m u m r a t i n g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 t h e r m a l r e s i s t a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 e s d c a u t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 p i n c o n f i g u r a t i o n a n d f u n c t i o n d e s c r i p t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 a p p l i c a t i o n s i n f o r m a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 c o m p a r a t o r s a n d i n t e r n a l r e f e r e n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 p o w e r s u p p l y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 i n p u t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 h y s t e r e s i s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 v o l t a g e m o n i t o r i n g s c h e m e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 o u t p u t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 o u t l i n e d i m e n s i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6 o r d e r i n g g u i d e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6 r e v i s i o n h i s t o r y 1 1 / 1 1 ? 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 c m p 6 7 1 r e v . 0 | p a g e 3 o f 1 6 s p e c i f i c a t i o n s v d d = 1 . 7 v t o 5 . 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 . t a b l e 1 . p a r a m e t e r m i n t y p m a x u n i t t e s t c o n d i t i o n s / c o m m e n t s t h r e s h o l d s 1 r i s i n g i n p u t t h r e s h o l d v o l t a g e ( v t h ( r ) ) 3 9 6 . 6 4 0 0 . 4 4 0 4 . 3 m v v d d = 1 . 7 v 3 9 9 . 3 4 0 0 . 4 4 0 1 . 5 m v v d d = 3 . 3 v 3 9 8 . 5 4 0 0 . 4 4 0 2 . 2 m v v d d = 5 . 5 v f a l l i n g i n p u t t h r e s h o l d v o l t a g e ( v t h ( f ) ) 3 8 7 3 9 1 3 9 5 . 4 m v v d d = 1 . 7 v 3 8 9 . 2 3 9 1 3 9 2 . 9 m v v d d = 3 . 3 v 3 8 8 . 5 3 9 1 3 9 3 . 2 m v v d d = 5 . 5 v r i s i n g i n p u t t h r e s h o l d v o l t a g e a c c u r a c y 0 . 2 7 5 % v d d = 3 . 3 v f a l l i n g i n p u t t h r e s h o l d v o l t a g e a c c u r a c y 0 . 4 7 5 % v d d = 3 . 3 v h y s t e r e s i s = v t h ( r ) ? v t h ( f ) 7 . 8 9 . 2 1 1 . 1 m v i n p u t c h a r a c t e r i s t i c s i n p u t b i a s c u r r e n t 0 . 0 1 1 n a v d d = 1 . 7 v , v i n = v d d 0 . 0 1 1 n a v d d = 1 . 7 v , v i n = 0 . 1 v o p e n - d r a n o u t p u t s o u t p u t l o w v o l t a g e 2 1 4 0 2 0 0 m v v d d = 1 . 7 v , i o u t = 3 m a 1 3 0 2 0 0 m v v d d = 5 . 5 v , i o u t = 5 m a o u t p u t l e a k a g e c u r r e n t 3 0 . 0 1 0 . 1 a v d d = 1 . 7 v , v o u t = v d d 0 . 0 1 0 . 1 a v d d = 1 . 7 v , v o u t = 5 . 5 v d y n a m i c p e r f o r m a n c e 2 , 4 h i g h - t o - l o w p r o p a g a t i o n d e l a y 1 0 s v d d = 5 . 5 v , v o l = 4 0 0 m v l o w - t o - h i g h p r o p a g a t i o n d e l a y 8 s v d d = 5 . 5 v , v o h = 0 . 9 v d d o u t p u t r i s e t i m e 0 . 5 s v d d = 5 . 5 v , v o u t = ( 0 . 1 t o 0 . 9 ) v d d o u t p u t f a l l t i m e 0 . 0 7 s v d d = 5 . 5 v , v o u t = ( 0 . 1 t o 0 . 9 ) v d d p o w e r s u p p l y s u p p l y c u r r e n t 5 5 . 7 1 0 a v d d = 1 . 7 v 6 . 5 1 1 a v d d = 5 . 5 v 1 r l = 1 0 0 k , v o u t = 2 v s w i n g . 2 v i n = 1 0 m v i n p u t o v e r d r i v e . 3 v i n = 4 0 m v o v e r d r i v e . 4 r l = 1 0 k . 5 n o l o a d c u r r e n t .
a d c m p 6 7 1 d a t a s h e e t r e v . 0 | p a g e 4 o f 1 6 v d d = 1 . 7 v t o 5 . 5 v , 0 c t a 7 0 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 2 . p a r a m e t e r m i n t y p m a x u n i t t e s t c o n d i t i o n s / c o m m e n t s t h r e s h o l d s 1 r i s i n g i n p u t t h r e s h o l d v o l t a g e ( v t h ( r ) ) 3 9 5 . 3 4 0 5 . 3 m v v d d = 1 . 7 v 3 9 7 . 3 4 0 3 . 3 m v v d d = 3 . 3 v 3 9 6 . 8 4 0 3 . 8 m v v d d = 5 . 5 v f a l l i n g i n p u t t h r e s h o l d v o l t a g e ( v t h ( f ) ) 3 8 5 . 8 3 9 7 . 3 m v v d d = 1 . 7 v 3 8 6 . 2 3 9 4 . 8 m v v d d = 3 . 3 v 3 8 5 . 8 3 9 5 . 2 m v v d d = 5 . 5 v r i s i n g i n p u t t h r e s h o l d v o l t a g e a c c u r a c y 0 . 7 5 % v d d = 3 . 3 v f a l l i n g i n p u t t h r e s h o l d v o l t a g e a c c u r a c y 1 . 1 % v d d = 3 . 3 v h y s t e r e s i s = v t h ( r ) ? v t h ( f ) 6 . 8 1 2 . 2 m v i n p u t c h a r a c t e r i s t i c s i n p u t b i a s c u r r e n t 1 n a v d d = 1 . 7 v , v i n = v d d 1 n a v d d = 1 . 7 v , v i n = 0 . 1 v o p e n - d r a i n o u t p u t s o u t p u t l o w v o l t a g e 2 2 5 0 m v v d d = 1 . 7 v , i o u t = 3 m a 2 5 0 m v v d d = 5 . 5 v , i o u t = 5 m a o u t p u t l e a k a g e c u r r e n t 3 0 . 1 a v d d = 1 . 7 v , v o u t = v d d 0 . 1 a v d d = 1 . 7 v , v o u t = 5 . 5 v p o w e r s u p p l y s u p p l y c u r r e n t 4 1 3 a v d d = 1 . 7 v 1 4 a v d d = 5 . 5 v 1 r l = 1 0 0 k , v o u t = 2 v s w i n g . 2 v i n = 1 0 m v i n p u t o v e r d r i v e . 3 v i n = 4 0 m v o v e r d r i v e . 4 n o l o a d .
d a t a s h e e t a d c m p 6 7 1 r e v . 0 | p a g e 5 o f 1 6 v d d = 1 . 7 v t o 5 . 5 v , ? 4 0 c t a + 8 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 3 . p a r a m e t e r m i n t y p m a x u n i t t e s t c o n d i t i o n s / c o m m e n t s t h r e s h o l d s 1 r i s i n g i n p u t t h r e s h o l d v o l t a g e ( v t h ( r ) ) 3 9 1 . 2 4 0 7 . 8 m v v d d = 1 . 7 v 3 9 3 . 1 4 0 5 . 9 m v v d d = 3 . 3 v 3 9 3 . 5 4 0 5 . 4 m v v d d = 5 . 5 v f a l l i n g i n p u t t h r e s h o l d v o l t a g e ( v t h ( f ) ) 3 8 3 . 3 4 0 0 . 9 m v v d d = 1 . 7 v 3 8 4 . 7 3 9 8 . 4 m v v d d = 3 . 3 v 3 8 4 . 4 3 9 8 . 2 m v v d d = 5 . 5 v r i s i n g i n p u t t h r e s h o l d v o l t a g e a c c u r a c y 1 . 6 % v d d = 3 . 3 v f a l l i n g i n p u t t h r e s h o l d v o l t a g e a c c u r a c y 1 . 7 5 % v d d = 3 . 3 v h y s t e r e s i s = v t h ( r ) ? v t h ( f ) 5 . 4 1 2 . 6 m v i n p u t c h a r a c t e r i s t i c s i n p u t b i a s c u r r e n t 1 n a v d d = 1 . 7 v , v i n = v d d 1 n a v d d = 1 . 7 v , v i n = 0 . 1 v o p e n - d r a i n o u t p u t s o u t p u t l o w v o l t a g e 2 2 5 0 m v v d d = 1 . 7 v , i o u t = 3 m a 2 5 0 m v v d d = 5 . 5 v , i o u t = 5 m a o u t p u t l e a k a g e c u r r e n t 3 0 . 1 a v d d = 1 . 7 v , v o u t = v d d 0 . 1 a v d d = 1 . 7 v , v o u t = 5 . 5 v p o w e r s u p p l y s u p p l y c u r r e n t 4 1 4 a v d d = 1 . 7 v 1 5 a v d d = 5 . 5 v 1 r l = 1 0 0 k , v o u t = 2 v s w i n g . 2 v i n = 1 0 m v i n p u t o v e r d r i v e . 3 v i n = 4 0 m v o v e r d r i v e . 4 n o l o a d .
a d c m p 6 7 1 d a t a s h e e t r e v . 0 | p a g e 6 o f 1 6 v d d = 1 . 7 v t o 5 . 5 v , ? 4 0 c t a + 1 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 4 . p a r a m e t e r m i n t y p m a x u n i t t e s t c o n d i t i o n s / c o m m e n t s t h r e s h o l d s 1 r i s i n g i n p u t t h r e s h o l d v o l t a g e ( v t h ( r ) ) 3 9 1 . 2 4 0 7 . 8 m v v d d = 1 . 7 v 3 9 3 . 1 4 0 5 . 9 m v v d d = 3 . 3 v 3 9 3 . 1 4 0 5 . 8 m v v d d = 5 . 5 v f a l l i n g i n p u t t h r e s h o l d v o l t a g e ( v t h ( f ) ) 3 8 1 . 1 4 0 0 . 9 m v v d d = 1 . 7 v 3 8 1 . 2 3 9 8 . 4 m v v d d = 3 . 3 v 3 8 1 3 9 8 . 2 m v v d d = 5 . 5 v r i s i n g i n p u t t h r e s h o l d v o l t a g e a c c u r a c y 1 . 6 % v d d = 3 . 3 v f a l l i n g i n p u t t h r e s h o l d v o l t a g e a c c u r a c y 2 . 2 % v d d = 3 . 3 v h y s t e r e s i s = v t h ( r ) ? v t h ( f ) 5 . 4 1 3 . 5 m v i n p u t c h a r a c t e r i s t i c s i n p u t b i a s c u r r e n t 2 . 5 n a v d d = 1 . 7 v , v i n = v d d 2 . 5 n a v d d = 1 . 7 v , v i n = 0 . 1 v o p e n - d r a i n o u t p u t s o u t p u t l o w v o l t a g e 2 2 5 0 m v v d d = 1 . 7 v , i o u t = 3 m a 2 5 0 m v v d d = 5 . 5 v , i o u t = 5 m a o u t p u t l e a k a g e c u r r e n t 3 0 . 1 a v d d = 1 . 7 v , v o u t = v d d 0 . 1 a v d d = 1 . 7 v , v o u t = 5 . 5 v p o w e r s u p p l y s u p p l y c u r r e n t 4 1 6 a v d d = 1 . 7 v 1 7 a v d d = 5 . 5 v 1 r l = 1 0 0 k , v o u t = 2 v s w i n g . 2 v i n = 1 0 m v i n p u t o v e r d r i v e . 3 v i n = 4 0 m v o v e r d r i v e . 4 n o l o a d .
d a t a s h e e t a d c m p 6 7 1 r e v . 0 | p a g e 7 o f 1 6 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 5 . p a r a m e t e r r a t i n g v d d ? 0 . 3 v t o + 6 v i n h , i n l ? 0 . 3 v t o + 6 v o v , p w r g d ? 0 . 3 v t o + 6 v 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 1 i n d e f i n i t e i n p u t c u r r e n t ? 1 0 m a 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 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 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 v a p o r p h a s e ( 6 0 s e c ) 2 1 5 c i n f r a r e d ( 1 5 s e c ) 2 2 0 c 1 w h e n t h e o u t p u t i s s h o r t e d i n d e f i n i t e l y , t h e u s e o f a h e a t s i n k m a y b e r e q u i r e d t o k e e p t h e j u n c t i o n t e m p e r a t u r e w i t h i n t h e a b s o l u t e m a x i m u m r a t i n g s . 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 j a i s s p e c i f i e d f o r t h e 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 , 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 . t a b l e 6 . t h e r m a l r e s i s t a n c e p a c k a g e t y p e j a u n i t 6 - l e a d t s o t 2 0 0 c / w e s d c a u t i o n
a d c m p 6 7 1 d a t a s h e e t r e v . 0 | p a g e 8 o f 1 6 p i n c o n f i g u r a t i o n a n d f u n c t i o n d e s c r i p t i o n s 1 p w r g d 6 o v 2 g n d 5 v d d 3 i n h 4 i n l a d c m p 6 7 1 t o p v i e w ( n o t t o s c a l e ) 1 0 1 6 0 - 0 0 3 f i g u r e 3 . p i n c o n f i g u r a t i o n t a b l e 7 . p i n f u n c t i o n d e s c r i p t i o n s p i n n o . m n e m o n i c d e s c r i p t i o n 1 p w r g d o p e n - d r a i n a c t i v e h i g h p o w e r g o o d o u t p u t . i t a s s e r t s w h e n t h e i n p u t f a l l s w i t h i n t h e u v a n d o v w i n d o w , f o r e x a m p l e , i n h h i g h a n d i n l l o w . 2 g n d g r o u n d . 3 i n h m o n i t o r s f o r s u p p l y u n d e r v o l t a g e f a u l t t h r o u g h a n e x t e r n a l r e s i s t o r d i v i d e r n e t w o r k . i t i s i n t e r n a l l y c o n n e c t e d t o t h e n o n i n v e r t i n g i n p u t o f a c o m p a r a t o r . t h e o t h e r i n p u t o f t h e c o m p a r a t o r i s c o n n e c t e d t o a 4 0 0 m v r e f e r e n c e . 4 i n l m o n i t o r s f o r s u p p l y o v e r v o l t a g e f a u l t t h r o u g h a n e x t e r n a l r e s i s t o r d i v i d e r n e t w o r k . i t i s i n t e r n a l l y c o n n e c t e d t o t h e i n v e r t i n g i n p u t o f a c o m p a r a t o r . t h e o t h e r i n p u t o f t h e c o m p a r a t o r i s c o n n e c t e d t o a 4 0 0 m v r e f e r e n c e . 5 v d d p o w e r s u p p l y p i n . 6 o v o p e n - d r a i n o u t p u t a c t i v e l o w o v e r v o l t a g e f a u l t i n d i c a t i o n o u t p u t . i t a s s e r t s w h e n t h e r e i s a n o v e r v o l t a g e f a u l t , f o r e x a m p l e , i n l h i g h .
d a t a s h e e t a d c m p 6 7 1 r e v . 0 | p a g e 9 o f 1 6 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 0 1 0 2 0 3 0 4 0 5 0 p e r c e n t o f u n i t s ( % ) r i s i n g i n p u t t h r e s h o l d v o l t a g e ( m v ) 6 0 3 9 4 3 9 5 3 9 6 3 9 7 3 9 8 3 9 9 4 0 0 4 0 1 4 0 2 4 0 3 4 0 4 4 0 5 4 0 6 v d d = 5 v t a = 2 5 c 1 0 1 6 0 - 0 0 4 0 1 0 2 0 3 0 4 0 p e r c e n t o f u n i t s ( % ) f a l l i n g i n p u t t h r e s h o l d v o l t a g e ( m v ) 5 0 3 8 8 3 8 9 3 9 0 3 9 1 3 9 2 3 9 3 3 9 4 3 9 5 3 9 6 3 9 7 3 9 8 3 9 9 4 0 0 v d d = 5 v t a = 2 5 c 1 0 1 6 0 - 0 0 7 f i g u r e 4 . d i s t r i b u t i o n o f r i s i n g i n p u t t h r e s h o l d v o l t a g e f i g u r e 7 . d i s t r i b u t i o n o f f a l l i n g i n p u t t h r e s h o l d v o l t a g e 0 5 1 0 1 5 2 0 2 5 3 0 p e r c e n t o f u n i t s ( % ) h y s t e r e s i s ( m v ) 3 5 6 . 0 6 . 4 6 . 8 7 . 2 7 . 6 8 . 0 8 . 4 8 . 8 9 . 2 9 . 6 1 0 . 0 1 0 . 4 1 0 . 8 v d d = 5 v t a = 2 5 c 1 0 1 6 0 - 0 0 5 3 9 8 r i s i n g i n p u t t h r e s h o l d v o l t a g e ( m v ) t e m p e r a t u r e ( c ) 4 0 2 4 0 1 4 0 0 3 9 9 ? 4 0 ? 2 0 1 2 0 0 2 0 4 0 6 0 8 0 1 0 0 v d d = 5 . 0 v v d d = 3 . 3 v v d d = 2 . 5 v v d d = 1 . 8 v 1 0 1 6 0 - 0 0 8 f i g u r e 5 . d i s t r i b u t i o n o f h y s t e r e s i s f i g u r e 8 . r i s i n g i n p u t t h r e s h o l d v o l t a g e v s . t e m p e r a t u r e f o r v a r i o u s v d d v o l t a g e s 3 9 6 r i s i n g i n p u t t h r e s h o l d v o l t a g e ( m v ) t e m p e r a t u r e ( c ) 4 0 4 4 0 2 4 0 0 3 9 8 ? 4 0 ? 2 0 1 2 0 0 2 0 4 0 6 0 8 0 1 0 0 4 3 2 1 f o u r t y p i c a l p a r t s v d d = 5 v 1 0 1 6 0 - 0 0 6 3 9 5 r i s i n g i n p u t t h r e s h o l d v o l t a g e ( m v ) s u p p l y v o l t a g e ( v ) 4 0 1 4 0 0 3 9 9 3 9 8 3 9 7 3 9 6 1 . 7 5 . 7 5 . 2 4 . 7 4 . 2 3 . 7 3 . 2 2 . 7 2 . 2 t a = ? 4 0 c t a = + 2 5 c t a = + 8 5 c t a = + 1 2 5 c 1 0 1 6 0 - 0 0 9 f i g u r e 9 . r i s i n g i n p u t t h r e s h o l d v o l t a g e v s . s u p p l y v o l t a g e f i g u r e 6 . r i s i n g i n p u t t h r e s h o l d v o l t a g e v s . t e m p e r a t u r e f o r f o u r t y p i c a l p a r t s
a d c m p 6 7 1 d a t a s h e e t r e v . 0 | p a g e 1 0 o f 1 6 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 1 1 . 0 1 1 . 5 h y s t e r e s i s ( m v ) t e m p e r a t u r e ( c ) 1 2 . 0 ? 4 0 ? 2 0 1 2 0 0 2 0 4 0 6 0 8 0 1 0 0 i n l 2 i n h 2 1 n l 1 1 n h 1 f o u r t y p i c a l p a r t s v d d = 5 v 1 0 1 6 0 - 0 1 0 f i g u r e 1 0 . h y s t e r e s i s v s . t e m p e r a t u r e f o r f o u r t y p i c a l p a r t s 4 5 6 7 8 9 1 0 1 1 h y s t e r e s i s ( m v ) s u p p l y v o l t a g e ( v ) 1 2 1 . 7 5 . 7 5 . 2 4 . 7 4 . 2 3 . 7 3 . 2 2 . 7 2 . 2 t a = + 1 2 5 c t a = + 2 5 c t a = + 8 5 c t a = ? 4 0 c 1 0 1 6 0 - 0 1 1 f i g u r e 1 1 . h y s t e r e s i s v s . s u p p l y v o l t a g e 1 0 4 5 . 2 s u p p l y c u r r e n t ( a ) s u p p l y v o l t a g e ( v ) 98 7 6 5 1 . 7 2 . 2 2 . 7 3 . 2 3 . 7 4 . 2 4 . 7 t a = + 1 2 5 c t a = + 8 5 c t a = + 2 5 c t a = ? 4 0 c n o l o a d c u r r e n t 1 0 1 6 0 - 0 1 2 f i g u r e 1 2 . q u i e s c e n t 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 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 1 1 . 0 1 1 . 5 h y s t e r e s i s ( m v ) t e m p e r a t u r e ( c ) 1 2 . 0 ? 4 0 ? 2 0 1 2 0 0 2 0 4 0 6 0 8 0 1 0 0 v d d = 5 . 0 v v d d = 3 . 3 v v d d = 2 . 5 v v d d = 1 . 8 v 1 0 1 6 0 - 0 1 3 f i g u r e 1 3 . h y s t e r e s i s v s . t e m p e r a t u r e f o r v a r i o u s v d d v o l t a g e s ? 5 t h r e s h o l d s h i f t ( m v ) s u p p l y v o l t a g e ( v ) 1 1 . 5 2 . 5 2 . 4 2 . 3 2 . 2 2 . 1 2 . 0 1 . 9 1 . 8 1 . 7 1 . 6 t a = + 1 2 5 c t a = + 8 5 c t a = + 2 5 c t a = ? 4 0 c 0 ? 1 ? 2 ? 3 ? 4 1 0 1 6 0 - 0 1 4 f i g u r e 1 4 . m i n i m u m s u p p l y v o l t a g e 5 0 0 1 . 5 s u p p l y c u r r e n t ( a ) s u p p l y v o l t a g e ( v ) 4 0 3 0 2 0 1 0 0 0 . 5 1 . 0 t a = + 1 2 5 c t a = + 8 5 c t a = + 2 5 c t a = ? 4 0 c 1 0 1 6 0 - 0 1 5 f i g u r e 1 5 . s t a r t - u p s u p p l y c u r r e n t
d a t a s h e e t a d c m p 6 7 1 r e v . 0 | p a g e 1 1 o f 1 6 1 s u p p l y c u r r e n t ( a ) o u t p u t s i n k c u r r e n t ( m a ) 1 0 0 0 1 0 0 1 0 0 . 0 0 1 1 0 0 1 0 1 0 . 1 0 . 0 1 t a = ? 4 0 c v d d = 5 . 0 v v d d = 3 . 3 v v d d = 2 . 5 v v d d = 1 . 7 v 1 0 1 6 0 - 0 1 6 f i g u r e 1 6 . s u p p l y c u r r e n t v s . o u t p u t s i n k c u r r e n t f o r t a = ? 4 0 c 1 s u p p l y c u r r e n t ( a ) o u t p u t s i n k c u r r e n t ( m a ) 1 0 0 0 1 0 0 1 0 0 . 0 0 1 1 0 0 1 0 1 0 . 1 0 . 0 1 v d d = 5 . 0 v v d d = 3 . 3 v v d d = 2 . 5 v v d d = 1 . 7 v t a = 8 5 c 1 0 1 6 0 - 0 1 8 f i g u r e 1 7 . s u p p l y c u r r e n t v s . o u t p u t s i n k c u r r e n t f o r t a = 8 5 c ? 7 1 . 0 i n p u t b i a s c u r r e n t ( n a ) i n p u t v o l t a g e ( v ) ? 3 ? 5 0 0 . 2 0 . 6 ? 1 31 0 . 4 0 . 8 t a = + 1 2 5 c t a = + 8 5 c t a = + 2 5 c t a = ? 4 0 c c u r r e n t i s p o s i t i v e g o i n g i n t o t h e d e v i c e v d d = 5 v 0 v < v i b < 1 v 1 0 1 6 0 - 0 2 0 f i g u r e 1 8 . l o w l e v e l i n p u t b i a s c u r r e n t v s . i n p u t v o l t a g e 1 s u p p l y c u r r e n t ( a ) o u t p u t s i n k c u r r e n t ( m a ) 1 0 0 0 1 0 0 1 0 0 . 0 0 1 1 0 0 1 0 1 0 . 1 0 . 0 1 v d d = 5 . 0 v v d d = 3 . 3 v v d d = 2 . 5 v v d d = 1 . 7 v t a = 2 5 c 1 0 1 6 0 - 0 1 7 f i g u r e 1 9 . s u p p l y c u r r e n t v s . o u t p u t s i n k c u r r e n t f o r t a = 2 5 c 0 . 1 0 i n p u t b i a s c u r r e n t ( n a ) i n p u t v o l t a g e ( v ) 1 k 1 0 k 1 0 0 1 0 1 ? 0 . 3 ? 0 . 2 ? 0 . 1 t a = + 1 2 5 c t a = + 8 5 c t a = + 2 5 c t a = ? 4 0 c c u r r e n t i s g o i n g o u t o f t h e d e v i c e . v d d = 5 v ? 0 . 3 v < v i b < 0 v 1 0 1 6 0 - 0 1 9 f i g u r e 2 0 . b e l o w g r o u n d i n p u t b i a s c u r r e n t v s . i n p u t v o l t a g e 0 . 0 1 5 i n p u t b i a s c u r r e n t ( n a ) i n p u t v o l t a g e ( v ) 1 0 . 1 1 2 4 1 0 3 t a = ? 4 0 c t a = + 1 2 5 c t a = + 8 5 c t a = + 2 5 c c u r r e n t i s g o i n g i n t o t h e d e v i c e v d d = 5 v v i b > 1 v 1 0 1 6 0 - 0 2 1 f i g u r e 2 1 . h i g h l e v e l i n p u t b i a s c u r r e n t v s . i n p u t v o l t a g e
a d c m p 6 7 1 d a t a s h e e t r e v . 0 | p a g e 1 2 o f 1 6 1 o u t p u t s a t u r a t i o n v o l t a g e ( m v ) o u t p u t s i n k c u r r e n t ( m a ) 1 0 0 1 0 0 . 0 0 1 0 . 1 0 . 0 1 1 0 0 0 1 0 1 v d d = 5 . 0 v v d d = 3 . 3 v v d d = 2 . 5 v v d d = 1 . 8 v t a = 2 5 c 1 0 1 6 0 - 0 2 2 f i g u r e 2 2 . o u t p u t s a t u r a t i o n v o l t a g e v s . o u t p u t s i n k c u r r e n t f o r t a = 2 5 c 1 o u t p u t s a t u r a t i o n v o l t a g e ( m v ) o u t p u t s i n k c u r r e n t ( m a ) 1 0 0 1 0 0 . 0 0 1 0 . 1 1 0 0 0 1 0 0 . 0 1 1 v d d = 5 . 0 v v d d = 3 . 3 v v d d = 2 . 5 v v d d = 1 . 8 v t a = 8 5 c 1 0 1 6 0 - 0 2 4 f i g u r e 2 3 . o u t p u t s a t u r a t i o n v o l t a g e v s . o u t p u t s i n k c u r r e n t f o r t a = 8 5 c 0 s h o r t - c i r c u i t c u r r e n t ( m a ) o u t p u t v o l t a g e ( v ) 4 0 2 0 0 2 7 0 4 6 0 3 0 1 0 5 0 v d d = 5 . 0 v v d d = 3 . 3 v v d d = 2 . 5 v v d d = 1 . 8 v t a = 2 5 c 1 0 1 6 0 - 0 2 6 f i g u r e 2 4 . o u t p u t s h o r t - c i r c u i t c u r r e n t v s . o u t p u t v o l t a g e 1 o u t p u t s a t u r a t i o n v o l t a g e ( m v ) o u t p u t s i n k c u r r e n t ( m a ) 1 0 0 1 0 0 . 0 0 1 0 . 1 1 0 0 0 1 0 0 . 0 1 1 v d d = 5 . 0 v t a = ? 4 0 c v d d = 3 . 3 v v d d = 2 . 5 v v d d = 1 . 8 v 1 0 1 6 0 - 0 2 3 f i g u r e 2 5 . o u t p u t s a t u r a t i o n v o l t a g e v s . o u t p u t s i n k c u r r e n t f o r t a = ? 4 0 c 0 s h o r t - c i r c u i t c u r r e n t ( m a ) o u t p u t v o l t a g e ( v ) 4 0 2 0 0 2 8 0 4 6 0 3 0 1 0 7 0 5 0 t a = + 8 5 c t a = + 2 5 c t a = + 1 2 5 c t a = ? 4 0 c v d d = 5 v 1 0 1 6 0 - 0 2 5 f i g u r e 2 6 . o u t p u t s h o r t - c i r c u i t c u r r e n t v s . o u t p u t v o l t a g e 0 . 0 0 1 o u t p u t l e a k a g e c u r r e n t ( n a ) o u t p u t v o l t a g e ( v ) 0 . 0 1 0 1 2 3 1 0 4 5 1 0 . 1 t a = + 1 2 5 c t a = + 8 5 c t a = + 2 5 c t a = ? 4 0 c v d d = 5 v 1 0 1 6 0 - 0 2 7 f i g u r e 2 7 . o u t p u t l e a k a g e c u r r e n t v s . o u t p u t v o l t a g e
d a t a s h e e t a d c m p 6 7 1 r e v . 0 | p a g e 1 3 o f 1 6 0 p r o p a g a t i o n d e l a y ( s ) i n p u t o v e r d r i v e ( m v ) 0 2 0 4 0 6 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 8 0 1 0 0 t a = 2 5 c i n h l h i n l l h i n h h l i n l h l 1 0 1 6 0 - 0 2 8 v d d ( v ) 54 3 2 v o u t ( v ) 10 5 4 3 2 1 0 p w r g d o v o u t p u t s b e i n g p u l l e d u p t o v d d w i t h 1 0 k i n h = l o w i n l = l o w 1 0 1 6 0 - 0 3 1 f i g u r e 2 8 . p r o p a g a t i o n d e l a y v s . i n p u t o v e r d r i v e f i g u r e 3 1 . o u t p u t v o l t a g e v s . s u p p l y v o l t a g e w i t h b o t h i n h a n d i n l l o w 1 0 1 6 0 - 0 2 9 c h 3 5 . 0 v c h 4 5 . 0 v m 4 0 . 0 s 1 4 3 i n l v t h ( r ) i n l v t h ( f ) i n h v t h ( r ) i n h v t h ( f ) p w r g d o v v i n r _ p u l l u p = 1 0 k ? v _ p u l l u p = 5 v v d d ( v ) 54 3 2 v o u t ( v ) 10 5 4 3 2 1 0 p w r g d o v o u t p u t s b e i n g p u l l e d u p t o v d d w i t h 1 0 k i n h = h i g h i n l = l o w 1 0 1 6 0 - 0 3 2 f i g u r e 2 9 . p r o p a g a t i o n d e l a y f i g u r e 3 2 . o u t p u t v o l t a g e v s . s u p p l y v o l t a g e w i t h i n h h i g h a n d i n l l o w 0 . 0 1 r i s e a n d f a l l t i m e s ( s ) o u t p u t p u l l - u p r e s i s t o r ( k ? ) 1 0 . 1 1 1 0 0 1 0 1 0 0 . 1 1 0 0 1 0 0 0 r i s e f a l l v d d = 5 v c l = 2 0 p f t a = 2 5 c 1 0 1 6 0 - 0 3 0 v d d ( v ) 54 3 2 v o u t ( v ) 10 5 4 3 2 1 0 p w r g d o v o u t p u t s b e i n g p u l l e d u p t o v d d w i t h 1 0 k i n h = h i g h i n l = h i g h 1 0 1 6 0 - 0 3 3 f i g u r e 3 0 . r i s e a n d f a l l t i m e s v s . o u t p u t p u l l - u p r e s i s t o r f i g u r e 3 3 . o u t p u t v o l t a g e v s . s u p p l y v o l t a g e w i t h b o t h i n h a n d i n l h i g h
a d c m p 6 7 1 d a t a s h e e t r e v . 0 | p a g e 1 4 o f 1 6 a p p l i c a t i o n s i n f o r m a t i o n t h e a d c m p 6 7 1 i s a u v a n d o v m o n i t o r w i t h a b u i l t - i n 4 0 0 m v r e f e r e n c e t h a t o p e r a t e s f r o m 1 . 7 v t o 5 . 5 v . t h e c o m p a r a t o r i s 0 . 2 7 5 % a c c u r a t e w i t h a b u i l t - i n h y s t e r e s i s o f 9 . 2 m v . t h e o u t p u t s a r e o p e n - d r a i n , c a p a b l e o f s i n k i n g 4 0 m a . c o m p a r a t o r s a n d i n t e r n a l r e f e r e n c e t h e r e a r e t w o c o m p a r a t o r s i n s i d e t h e a d c m p 6 7 1 . t h e c o m p a r a t o r w i t h i t s n o n i n v e r t i n g i n p u t c o n n e c t e d t o t h e i n h p i n ( a n d i t s i n v e r t i n g i n p u t c o n n e c t e d i n t e r n a l l y t o t h e 4 0 0 m v r e f e r e n c e ) i s f o r u n d e r v o l t a g e d e t e c t i o n , a n d t h e c o m p a r a t o r w i t h i t s i n v e r t i n g i n p u t a v a i l a b l e t h r o u g h t h e i n l p i n ( a n d i t s n o n i n v e r t i n g i n p u t c o n n e c t e d i n t e r n a l l y t o t h e 4 0 0 m v r e f e r e n c e ) i s f o r o v e r v o l t a g e d e t e c t i o n . t h e r i s i n g i n p u t t h r e s h o l d v o l t a g e o f t h e c o m p a r a t o r s i s d e s i g n e d t o b e e q u a l t o t h a t o f t h e r e f e r e n c e . p o w e r s u p p l y t h e a d c m p 6 7 1 i s d e s i g n e d t o o p e r a t e f r o m 1 . 7 v t o 5 . 5 v . a 0 . 1 f d e c o u p l i n g c a p a c i t o r i s r e c o m m e n d e d b e t w e e n v d d a n d g n d . i n p u t s t h e c o m p a r a t o r i n p u t s a r e l i m i t e d t o t h e m a x i m u m v d d v o l t a g e r a n g e . t h e v o l t a g e o n t h e s e i n p u t s c a n b e m o r e t h a n v d d b u t n e v e r m o r e t h a n t h e m a x i m u m a l l o w e d v d d v o l t a g e . w h e n a d d i n g a r e s i s t o r s t r i n g t o t h e i n p u t , c h o o s e r e s i s t o r v a l u e s c a r e f u l l y b e c a u s e t h e i n p u t b i a s c u r r e n t i s i n p a r a l l e l w i t h t h e b o t t o m r e s i s t o r o f t h e s t r i n g . t h e r e f o r e , c h o o s e t h e b o t t o m r e s i s t o r f i r s t t o c o n t r o l t h e e r r o r i n t r o d u c e d b y t h e b i a s c u r r e n t . t o m i n i m i z e t h e n u m b e r o f e x t e r n a l c o m p o n e n t s u s e t h r e e r e s i s t o r d i v i d e r s t o p r o g r a m t h e u v a n d o v t h r e s h o l d s . h y s t e r e s i s t o p r e v e n t o s c i l l a t i o n s a t t h e o u t p u t c a u s e d b y n o i s e o r s l o w l y m o v i n g s i g n a l s p a s s i n g t h e s w i t c h i n g t h r e s h o l d , e a c h c o m p a r a t o r h a s a b u i l t - i n h y s t e r e s i s o f a p p r o x i m a t e l y 8 . 9 m v . v o l t a g e m o n i t o r i n g s c h e m e w h e n m o n i t o r i n g a s u p p l y r a i l , t h e d e s i r e d n o m i n a l o p e r a t i n g v o l t a g e f o r m o n i t o r i n g i s d e n o t e d b y v m , i m i s t h e n o m i n a l c u r r e n t t h r o u g h t h e r e s i s t o r d i v i d e r , v o v i s t h e o v e r v o l t a g e t r i p p o i n t , a n d v u v i s t h e u n d e r v o l t a g e t r i p p o i n t . f i g u r e 3 4 i l l u s t r a t e s t h e v o l t a g e m o n i t o r i n g i n p u t c o n n e c t i o n . t h r e e e x t e r n a l r e s i s t o r s , r x , r y , a n d r z , d i v i d e t h e p o s i t i v e v o l t a g e f o r m o n i t o r i n g ( v m ) i n t o t h e h i g h - s i d e v o l t a g e ( v h ) a n d l o w - s i d e v o l t a g e ( v l ) . t h e h i g h - s i d e v o l t a g e i s c o n n e c t e d t o t h e i n h p i n , a n d t h e l o w - s i d e v o l t a g e i s c o n n e c t e d t o t h e i n l p i n . i n h u v o v i n l v d d g n d 1 2 v r x r y r z 5 v 4 0 0 m v a d c m p 6 7 1 p w r g d o v 1 0 1 6 0 - 0 3 4 f i g u r e 3 4 . u n d e r v o l t a g e / o v e r v o l t a g e m o n i t o r i n g c o n f i g u r a t i o n t o t r i g g e r a n o v e r v o l t a g e c o n d i t i o n , t h e l o w - s i d e v o l t a g e ( i n t h i s c a s e , v l ) m u s t e x c e e d t h e 0 . 4 v t h r e s h o l d o n t h e i n l p i n . t h e l o w - s i d e v o l t a g e , v l , i s g i v e n b y t h e f o l l o w i n g e q u a t i o n : v 4 . 0 ? ?1 ? z y x z o v l r r r r v v a l s o , m m z y x i v r r r t h e r e f o r e , r z , w h i c h s e t s t h e d e s i r e d t r i p p o i n t f o r t h e o v e r v o l t a g e m o n i t o r , i s c a l c u l a t e d u s i n g t h e f o l l o w i n g e q u a t i o n : m o v m z i v v r ) 4 . 0 ( t o t r i g g e r t h e u n d e r v o l t a g e c o n d i t i o n , t h e h i g h - s i d e v o l t a g e , v h , m u s t f a l l b e l o w t h e 0 . 4 v t h r e s h o l d o n t h e i n h p i n . t h e h i g h - s i d e v o l t a g e , v h , i s g i v e n b y t h e f o l l o w i n g e q u a t i o n : v 4 . 0 ? ?1 ? z y x z y u v h r r r r r v v b e c a u s e r z i s a l r e a d y k n o w n , r y c a n b e e x p r e s s e d a s f o l l o w s : z m u v m y r i v v r ) 4 . 0 ( w h e n r y a n d r z a r e k n o w n , r x i s c a l c u l a t e d u s i n g t h e f o l l o w i n g e q u a t i o n : y z m m x r r i v r i f v m , i m , v o v , o r v u v c h a n g e s e a c h s t e p m u s t b e r e c a l c u l a t e d .
d a t a s h e e t a d c m p 6 7 1 r e v . 0 | p a g e 1 5 o f 1 6 o u t p u t s t h e p w r g d o u t p u t i s u s e d t o i n d i c a t e s u p p l y p o w e r g o o d f o r t h e r a i l b e i n g m o n i t o r e d . i t a s s e r t s i f t h e m o n i t o r e d v o l t a g e f a l l s w i t h i n t h e u v a n d o v t h r e s h o l d w i n d o w . t h e o v o u t p u t a c t s a s a d e d i c a t e d o v e r v o l t a g e i n d i c a t i o n o u t p u t , a l l o w s t h e b o a r d m a n a g e r t o t a k e d e c i s i v e a c t i o n t o p r o t e c t t h e s y s t e m f r o m o v e r v o l t a g e f a u l t s . b o t h o u t p u t s a r e o p e n - d r a i n a n d c a n b e p u l l e d u p t o v o l t a g e s a b o v e v d d . t h e s e o u t p u t s a r e c a p a b l e o f s i n k i n g c u r r e n t u p t o 4 0 m a . i n t h e m u l t i s u p p l y m o n i t o r i n g a p p l i c a t i o n , m u l t i p l e a d c m p 6 7 1 c a n b e u s e d w i t h t h e i r o v p i n t i e d t o g e t h e r t o g e n e r a t e a s i n g l e o v e r v o l t a g e f a u l t a l e r t s i g n a l , a s s h o w n i n . d u r i n g p o w e r u p a n d p o w e r d o w n , t h e p o w e r m a n a g e m e n t p r o c e s s o r o f t h e b o a r d c a n m a n a g e s u p p l y s e q u e n c i n g b a s e d o n p w r g d s i g n a l s . i n t h e e v e n t o f s u p p l y o v e r v o l t a g e f a u l t , t h e p r o c e s s o r c a n r e a c t q u i c k l y t o t h e p r o v i d e n e c e s s a r y c i r c u i t p r o t e c t i o n b e c a u s e o f i t s d e d i c a t e d f i g u r e 3 5 o v a l e r t . t h e p r o c e s s o r i s a l s o a b l e t o i d e n t i f y t h e f a u l t y s u p p l y f r o m c o m b i n i n g t h e i n f o r m a t i o n o n t h e p w r g d p i n s . t h i s a l l o w s t h e p r o c e s s o r t o u s e t h e n + 1 i n p u t p i n s t o i n d i v i d u a l l y m o n i t o r n c h a n n e l s o f s u p p l i e s . 2 . 5 v p w r g d o v 2 . 5 v g o o d 1 . 8 v g o o d 1 . 0 v g o o d 0 . 9 v g o o d o v f a u l t b o a r d m a n a g e r a d c m p 6 7 1 1 . 8 v p w r g d o v a d c m p 6 7 1 1 . 0 v p w r g d o v a d c m p 6 7 1 0 . 9 v p w r g d o v a d c m p 6 7 1 1 0 1 6 0 - 0 3 5 f i g u r e 3 5 . n r a i l s m o n i t o r i n g w i t h n + 1 p r o c e s s o r i / o
a d c m p 6 7 1 d a t a s h e e t r e v . 0 | p a g e 1 6 o f 1 6 o u t l i n e d i m e n s i o n s 1 0 2 8 0 8 - a * 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 o - 1 9 3 - a a w i t h t h e e x c e p t i o n o f p a c k a g e h e i g h t a n d t h i c k n e s s . 1 3 4 5 2 6 2 . 9 0 b s c 1 . 6 0 b s c 2 . 8 0 b s c 1 . 9 0 b s c 0 . 9 5 b s c 0 . 1 0 m a x * 1 . 0 0 m a x p i n 1 i n d i c a t o r * 0 . 9 0 0 . 8 7 0 . 8 4 0 . 6 0 0 . 4 5 0 . 3 0 0 . 5 0 0 . 3 0 0 . 2 0 0 . 0 8 s e a t i n g p l a n e 8 4 0 f i g u r e 3 6 . 6 - l e a d t h i n s m a l l o u t l i n e t r a n s i s t o r p a c k a g e [ t s o t ] ( u j - 6 ) 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 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 b r a n d i n g a d c m p 6 7 1 - 1 y u j z - r l 7 ? 4 0 c t o + 1 2 5 c 6 - l e a d t h i n s m a l l o u t l i n e t r a n s i s t o r p a c k a g e [ t s o t ] u j - 6 l l s 1 z = r o h s c o m p l i a n t p a r t . ? 2 0 1 1 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 1 6 0 - 0 - 1 1 / 1 1 ( 0 )

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