technical data IL1776 micropower programmable operational amplifier ordering information IL1776n pl ast i c IL1776d soic t a = -40 to 8 5 c for all packages . this extrem ely versatile operational am plif ier f eatures low power consum ption and high input im pedance. in addition, the quiescent currents within the device m a y be program m e d by the choice of an external resistor value or cu rrent source applied to the i set input. this allows the am plifier`s characteristic s to be optim ized for input cur- rent and power consum ption despite wide variations in operating power supply voltages. features supply operation 1,2 - 18 v input bias current 2na typ input offset current 0,7 na typ input offset voltage 2 m v typ large signal voltage gain 50 k v / v low current drain w i de program m i ng range of f s et null capability short circuit protection internally frequency com p ensated f o r unity gain 1
IL1776 i l 1776 of f s e t n u l l ve e in p ut + in p ut - of f s e t n u l l is e t ou t p ut vc c IL1776 hi gh input im pedance am pl i f i e r - + 90k 10k 7 6 4 8 3 2 - 15v + 15v 50m 30m 30 m 500 k 500 k in p u t ou t p u t multiple feedback bandpass filter (1.0khz) - + 7 6 8 4 3 2 2m r3 r2 r1 - 15v + 15v in p u t ou t p u t 2
IL1776 n s u f f i x p l as t i c di p ( m s ? 00 1b a ) sy m b o l m i n m a x a 8. 51 10. 16 b 6. 1 7 . 1 1 c 5. 33 d 0. 36 0. 56 f 1. 14 1. 78 g h j 0 10 k 2. 92 3. 81 no t e s : l 7. 62 8. 26 1. d i m e n s i o n s ?a ?, ?b ? d o n o t i n cl u d e m o l d f l as h o r p r o t r u s i o n s . m 0. 2 0 . 3 6 m a x i m u m m o l d f l a s h o r p r o t r u s i o n s 0. 25 m m ( 0 . 010) p e r s i d e . n 0. 38 d su f f i x so i c (m s - 0 1 2 a a) sy m b o l m i n m a x a 4. 8 5 b 3. 8 4 c 1. 35 1. 75 d 0. 33 0. 51 f 0. 4 1 . 2 7 g h j 0 8 no t e s : k 0. 1 0 . 2 5 1. d i m e n s i o ns a a n d b d o no t i n c l ud e m o l d f l a s h o r p r ot r u s i on . m 0. 19 0. 25 2. m a x i m u m m o l d f l a s h o r p r o t r u s i o n 0. 15 m m ( 0 . 006) p e r s i d e p 5. 8 6 . 2 fo r a ; fo r b ? 0. 25 m m ( 0 . 010) p e r s i d e . r 0. 25 0. 5 1. 27 5. 72 d i me n s i o n , mm d i me n s i o n , mm 2. 54 7. 62 a b h c k c m j f m p g d r x 4 5 se a t i n g pl a n e 0 . 25 (0 . 0 10 ) m t -t - 1 8 4 5 l h m j a b f g d se a t i n g pl a n e n k 0 . 2 5 ( 0 .01 0 ) m t -t - c 1 8 4 5 3
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