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  1 4 , 1 5 , a n d 1 6 - b i t l i n e a r i t y , l a t c h e d m d a c s d a c 9 3 3 1 - 1 6 s e r i e s d a t a c o n v e r t e r l i n e f e a t u r e s ? u p t o 1 6 - b i t l i n e a r i t y ? t w o c h i p c o n s t r u c t i o n ? i n p u t r e g i s t e r s ? l o w p o w e r ? c e r a m i c 2 4 - p i n d i p ? 2 a n d 4 - q u a d r a n t m u l t i p l i c a t i o n ? s i n g l e - s u p p l y o p e r a t i o n ? l o w - c o s t d e s c r i p t i o n t h e d a c 9 3 3 1 - 1 6 s e r i e s a r e t r u e 1 6 - b i t d / a c o n v e r t e r s m a n u f a c t u r e d w i t h a d v a n c e d p r o p r i e t a r y m o n o l i t h i c d e v i c e s a n d p r o v e n p e r f o r m a n c e p a c k a g i n g t e c h n i q u e . a s i n g l e , u n i q u e m o n o l i t h i c c h i p c o n t a i n s s w i t c h e s , s t o r a g e r e g i s t e r s a n d o t h e r e l e c t r o n i c s f o r h i g h r e s o l u t i o n a n d l o w l i n e a r i t y e r r o r . a s e c o n d , p a s s i v e c h i p p r o v i d e s a l l t h e n e e d e d r e s i s t o r s f o r t h e s e m u l t i p l y i n g d / a ' s . i n p u t s t o r a g e r e g i s t e r s a r e i n t w o 8 - b i t s e g m e n t s w i t h i n d e p e n - d e n t l a t c h i n g ? c o m p a t i b l e w i t h m i c r o processor data bus i n t e r f a c e s . i t ' s a t r u l y ? b y t e - s i z e d ? d/a input system. it c o m b i n es 2 - a n d 4 - q u a d r a n t m u l t i p l y ing capability. ttl/dtl a n d c m o s c o m p a t i b i l i t y ; l o w power consumption (less t h a n 6 0 m w ) a n d o p e r a t i o n from a single supply, the d a c 9 3 3 1 - 1 6 s e r i e s o f f e r s e x ceptional performance/cost r a t i o . o u t s t a n d i n g f e a t u r e s include: t r u e 1 6 - b i t l i n e a r i t y ? 1 6 - b i t ( 0 . 0 0 0 8 % ) l i n e a r i t y w i t h 1 6 - b i t r e s o l u t i o n i s n o w a r e a l i t y . n o o t h e r m i c r o c i r c u i t c o n v e r t e r d o e s b e t t e r . 1 4 - a n d 1 5 - b i t l i n e a r i t y v e r s i o n s a v a i l a b l e a t l o w e r c o s t . l o w p o w e r ? c m o s p r o p r i e t a r y m o n o l i t h i c d e v i c e s i n a u n i q u e c i r c u i t c o n f i g u r a t i o n y i e l d t h e l o w e s t p o w e r o f a n y 1 6 - b i t c o n v e r t e r a v a i l a b l e . t w o - c h i p c o n s t r u c t i o n ? a n a d v a n c e d m o n o l i t h i c d e v i c e , c o m b i n e d w i t h o u r o w n r e s i s t o r n e t w o r k s a r e a l l t h a t ' s n e e d e d i n t h i s c o n v e r t e r . a u t o m a t i c w i r e b o n d i n g m a k e s t h e m o s t c o n s i s t e n t l y s u p e r i o r a s s e m b l y a v a i l a b l e . i n p u t s t o r a g e r e g i s t e r s ? d e s i g n e d a s t w o 8 - b i t s e g m e n t s , t h e i n p u t r e g i s t e r s p r o v i d e d a t a s t o r a g e w h e n l a t c h e d , o r " t r a n s p a r e n t " r e g i s t e r s w h e n u n l a t c h e d . d a t a c o n v e r s i o n c a n n o w b e p e r f o r m e d c o n t i n u o u s l y o r f r o m s t o r e d d a t a ? " b y t e - s i z e d " i n p u t s e g m e n t s p r o v i d e c o m p a t i b i l i t y w i t h m o s t d a t a b u s l i n e s . r e l i a b i l i t y ? a p r o v e n p e r f o r m e r , t h e d a c 9 3 3 1 - 1 6 i s p a c k a g e d i n a 2 4 - p i n c e r a m i c d o u b l e d i p f o r t h e u t m o s t i n r e l i a b i l i t y . c o m b i n e d w i t h o u r p r o p r i e t a r y m o n o l i t h i c s w i t c h e s a n d a u t o m a t i c w i r e b o n d i n g , w e ' v e m a d e t h e d a c 9 3 3 1 - 1 6 s e r i e s t h e m o s t r e l i a b l e i n d u s t r i a l c o n v e r t e r t o d a t e . r e l i a b i l i t y i s f u r t h e r e n h a n c e d b y b a t c h - p r o c e s s e d . p r e c i s i o n l a s e r - t r i m m e d r e s i s t o r n e t w o r k s f a b r i c a t e d i n o u r o w n f a c i l i t y . n e t w o r k s a r e f u n c t i o n a l l y t r i m m e d a n d g l a s s p a s s i v a t e d t o a s s u r e r e l i a b i l i t y u n d e r a d v e r s e e n v i r o n m e n t a l c o n d i t i o n s . a d v a n c e d d e s i g n s , p r o v e n p r o c e s s e s a n d c o n t i n u o u s m o n i t o r i n g d u r i n g a l l p r o d u c t i o n o p e r a t i o n s b y o u r q u a l i - t y c o n t r o l o r g a n i z a t i o n a r e c o m b i n e d w i t h r i g o r o u s a q l s c r e e n i n g t o p r o v i d e t h e m o s t d e p e n d a b l e , l o w c o s t d / a c o n v e r t e r p o s s i b l e . l s b l a t c h c o n t r o l r e f i n p u t m s b l a t c h c o n t r o l 1 9 1 3 2 0 8 5 7 6 6 7 5 8 4 9 3 1 0 2 1 1 b i t 1 1 2 4 3 6 2 7 1 8 2 4 9 2 3 1 0 2 2 2 1 1 1 b i t 9 1 2 i n p u t r e g i s t e r s i n p u t r e g i s t e r s p r e c i s i o n 1 6 - b i t r e s i s t o r n e t w o r k & s w i t c h e s a n a g n d + 1 5 v 1 7 1 8 5 k 1 5 1 6 1 4 i o u t 2 i o u t 1 f e e d b a c k d a c 9 3 3 1 - 1 6 f u n c t i o n a l d i a g r a m 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 www.spectrummicrowave.com
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 y , v r e f = + 1 0 v , u n i p o l a r u n l e s s o t h e r w i s e n o t e d ) m o d e l d a c 9 3 3 1 - 1 6 - 6 - 5 - 4 t y p e m u l t i p l y i n g , l a t c h e d i n p u t s d i g i t a l i n p u t r e s o l u t i o n 1 6 - b i t s 2 - q u a d . u n i p o l a r c o d i n g b i n a r y 4 - q u a d . b i p o l a r c o d i n g o f f s e t b i n a r y l o g i c c o m p a t i b i l i t y 1 d t l , t t l , c m o s i n p u t l e a k a g e c u r r e n t 1 a ( m a x ) : 0 . 4 v > v l o g i c > 3 . 2 v s t r o b e w i d t h 2 5 0 n s ( m i n ) d a t a s e t - u p t i m e 2 5 0 0 n s ( m i n ) r e f e r e n c e i n p u t v o l t a g e r a n g e 2 5 v ( m a x ) i n p u t i m p e d a n c e 5 k a n a l o g o u t p u t g a i n a c c u r a c y 3 0 . 1 % o f f s e t ( u n i p o l a r ) 4 5 0 v ( m a x ) s m a l l s i g n a l 3 d b b a n d w i d t h 1 m h z o u t p u t c a p a c i t a n c e c o u t 1 9 0 p f c o u t 2 7 0 p f s t a t i c p e r f o r m a n c e i n t e g r a l l i n e a r i t y ( m a x ) 0 . 0 0 1 % 0 . 0 0 2 % 0 . 0 0 3 % d i f f e r e n t i a l l i n e a r i t y ( m a x ) 0 . 0 0 1 5 % 0 . 0 0 3 % 0 . 0 0 6 % m o n o t o n i c i t y g u a r a n t e e d 1 6 b i t s 1 5 b i t s 1 4 b i t s d y n a m i c p e r f o r m a n c e m a j o r c o d e t r a n s i t i o n s e t t l i n g t o 0 . 0 1 % f . s . r . ( s t r o b e d ) 2 s r e f e r e n c e f e e d t h r o u g h e r r o r ( v r e f = 2 0 v p p @ 1 0 k h z ) 2 m v p - p s t a b i l i t y 3 ( o v e r s p e c i f i e d t e m p . r a n g e ) s c a l e f a c t o r 5 2 p p m / o c f . s . r . ( t y p ) , 6 p p m / o c ( m a x ) l i n e a r i t y 0 . 5 p p m / o c f . s . r . ( m a x ) d i f f e r e n t i a l l i n e a r i t y 0 . 5 p p m / o c f . s . r . ( m a x ) l i n e a r i t y o v e r t i m e 3 p p m f . s . r . / 1 0 0 0 h r s . p o w e r s u p p l y ( v d d ) v o l t a g e r a n g e @ c u r r e n t + 1 5 v ( n o m ) ; + 1 1 . 5 v t o + 1 5 . 5 v @ 1 . 5 m a r e j e c t i o n r a t i o ( 1 4 v - 1 6 v ) 0 . 0 0 2 % / % ( m a x ) p o w e r d i s s i p a t i o n ( i n p u t s a t g n d , v r e f = 0 ) 6 0 m w ( m a x ) t e m p e r a t u r e r a n g e o p e r a t i n g 0 o c t o + 7 0 o c s t o r a g e ? 5 5 o c t o + 8 5 o c m e c h a n i c a l c a s e s t y l e 2 4 - p i n d o u b l e - d i p c a s e d i m e n s i o n s n o t e s : 1 . v i h = 2 . 4 v ( m i n ) ; v i l = 0 . 8 v ( m a x ) i n p u t s n o t t o e x c e e d - 0 . 5 v t o + v d d . 2 . t i m e d a t a m u s t b e s t a b l e b e f o r e s t r o b e g o e s t o ? 0 ? 3 . u s i n g i n t e r n a l f e e d b a c k r e s i s t o r . 4 . u s i n g t h e i n t e r n a l r f e e d b a c k w i t h n u l l e d e x t e r n a l a m p l i f i e r i n a c o n s t a n t 2 5 o c a m b i e n t . ( o f f s e t d o u b l e s e v e r y 1 0 o c ) . 5 . t h e d a c 9 3 3 1 - 1 6 s e r i e s i s d e s i g n e d t o b e u s e d o n l y i n t h o s e a p p l i c a t i o n s w h e r e t h e c u r r e n t o u t p u t i s v i r t u a l g r o u n d ; i . e . , t h e s u m m i n g j u n c t i o n o f a n o p a m p i n t h e i n v e r t i n g m o d e . t h e i n t e r n a l f e e d b a c k r e s i s t o r ( r f e e d b a c k ) m u s t b e u s e d t o a c h i e v e t e m p e r a t u r e t r a c k i n g . 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 f o r r e c o m m e n d e d c i r c u i t c o n f i g u r a t i o n s . 6 . f o r f u r t h e r i n f o r m a t i o n o n l o n g t e r m d r i f t r e f e r t o h s 9 3 7 7 a p p l i c a t i o n . n o t e s o r d e r i n g i n f o r m a t i o n 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 . m o d e l n u m b e r d e s c r i p t i o n d a c 9 3 3 1 - 1 6 - 4 1 4 - b i t l i n e a r i t y m d a c d a c 9 3 3 1 - 1 6 - 5 1 5 - b i t l i n e a r i t y m d a c d a c 9 3 3 1 - 1 6 - 6 1 6 - b i t l i n e a r i t y m d a c c a u t i o n : e s d ( e l e c t r o - s t a t i c d i s c h a r g e ) s e n s i t i v e d e v i c e . p e r m a n e n t d a m a g e m a y o c c u r w h e n u n c o n n e c t e d d e v i c e s a r e s u b j e c t e d t o h i g h e n e r g y e l e c t r o - s t a t i c f i e l d s . u n l e s s o t h e r w i s e n o t e d , t h e v o l t a g e a t a n y d i g i t a l i n p u t s h o u l d n e v e r e x c e e d t h e s u p p l y v o l t a g e b y m o r e t h a n 0 . 5 v o l t s o r g o b e l o w ? 0 . 5 v o l t s . 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 . 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 t 1 1 2 2 4 b i t 1 3 2 b i t 2 1 1 2 3 b i t 1 4 3 b i t 3 0 1 0 2 2 b i t 1 5 4 b i t 4 9 2 1 b i t 1 6 5 b i t 5 8 2 0 m s b l a t c h 6 b i t 6 7 1 9 l s b l a t c h 7 b i t 7 6 1 8 a n a g n d 8 b i t 8 5 1 7 + 1 5 v 9 b i t 9 4 1 6 1 o u t 1 1 0 b i t 1 0 3 1 5 1 o u t 2 1 1 b i t 1 1 2 1 4 r f e e d b a c k 1 2 b i t 1 2 1 1 3 r e f i n 0 . 0 1 8 0 . 0 0 2 ( 0 . 4 6 0 . 0 5 ) 0 . 0 1 0 + 0 . 0 0 2 ? 0 . 0 0 1 ( 0 . 2 5 + 0 . 0 0 5 ? 0 . 0 0 3 ) 1 . 3 1 0 ( 3 3 . 2 7 4 ) m a x 0 . 8 0 0 ( 2 0 . 3 2 1 ) m a x 0 . 1 6 5 ( 4 . 1 9 1 ) m a x 0 . 6 0 0 0 . 0 1 0 ( 1 5 . 2 4 0 . 2 5 ) 0 . 0 2 5 0 . 0 1 0 ( 0 . 6 4 0 . 2 5 ) 0 . 8 0 0 ( 2 0 . 3 2 1 ) 0 . 2 0 5 ( 5 . 2 1 ) m i n d i m e n s i o n s i n c h e s ( m m ) 0 . 1 0 0 0 . 0 0 5 ( 2 . 5 4 0 . 1 3 ) t y p p i n ( 1 ) i n d e x 1 2 1 1 3 2 4 dac9331-16


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