technical specification IL1458 dual operational amplifiers ordering information IL1458n pl ast i c IL1458d soic t a = -40 to 8 5 c for all packages . the IL1458 i s general purpose dual operat i onal am pl i f i e rs. the hi gh com m on-m ode i nput vol t a ge range and t h e absence o f latch - u p m a k e th ese am p lifiers id eal fo r v o ltag e fo llo wer ap p licatio n . the devi ces are short ci rcui t prot ected and the internal frequency com p ensation ensures stability w ithout external com ponents. ? short c i rcui t prot ect i on ? w i de com m on-m ode and di fferent i a l ranges ? no frequency com p ensat i on requi red ? low power consum pt i on ? no l a t c h-up ? 3 m h z uni t y gai n bandwi d t h guarant eed ? gai n and phase m a t c h bet w een am pl i f i e rs block diagram pin 4 = gnd (v - ) pin 8 = v cc (v+) 1
IL1458 maximum ratings * sym b o l p a r a m e t e r valu e un i t v + suppl y vol t a ge 18 v v - suppl y vol t a ge -18 v v idr di fferent i a l input vol t a ge 30 v v in input vol t a ge 15 v p d power dissipation in still air 570 m w ta operat i on tem p erat ure r a nfe -40 t o 85 c tst g st orage tem p erat ure r a nge -55 t o 125 c * m a xi m u m r a t i ngs are t hose val u es bey ond whi c h dam a ge t o t h e devi ce m a y occur. functional operation should be restricted to the reco m m e nded operating conditions. recommended operating conditions sy m bol p a r a m e t e r m i n m a x uni t v + suppl y vol t a ge 16 v v - suppl y vol t a ge -16 v 2
IL1458 electrical characteristics (t a = 25 c, v + = +15 v, v - = -15 v) sym b o l param e ter test co n d itio n s gu aran teed lim its un it min max v io input offset vol t a ge r s 10k ? 5.0 mv i io input offset c u rrent 200 na i ib input b i as c u rrent - 500 na r i input r e si st ance 0.3 m ? a v larg e-sig n a l vo ltag e gain r l 2k ? , v c = 10v 2 0 v/ m v v om out put vol t a ge swi ng r l 10k ? 12 v r l 2k ? 10 v v icr input c o m m on-m ode vol t a ge r a nge 12 v cmrr co m m o n mo d e rej ectio n ratio r s 10k ? 7 0 db psr r suppl y vol t a ge r e ject i on ratio r s 10k ? 1 5 0 v/v s r s l e w r a t e r l 2k ? 0 . 8 1 . 6 i + , i - suppl y c u rrent 5.6 m a s r s l e w r a t e r l = 2k ? v/ s p c power c onsum pt i on r l = 1 7 0 m w v n input noi s e vol t a ge r s = 1k ? f = 30hz 30khz 3 . 5 vrm s i source sourse c u rrent - 20 m a i sink si nk c u rrent 20 m a 3
IL1458 typical performance curves v op-p - r l frequency f (hz ) load resistance r l (k ? ) v ni - f v om - v cc , v ee frequency f (hz ) supply voltage v + , v - ( v) v op-p - f i i - t a frequency f (hz ) ambient temperature t a ( c) 4
IL1458 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 5
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