technical data quad single supply comparator KK2901 ordering information kk 2901n plastic kk 2901d soic t a = -40 to 8 5 c for all packages . the kk 2901 consists of four independent precision voltage comparators wi t h an offset vol t a ge speci fi cat i on as l o w as 2.0 m v m a x for four com p arat ors whi c h were desi gned speci fi cal l y t o operat e from a si ngl e power suppl y over a wi de range of vol t a ges. ap p licatio n areas in clu d e lim it co m p arato r s, sim p le an alo g to d i g ital convert ers; pul se, square wave and t i m e del a y generat o rs; wi de range vco; mos clo c k tim ers; m u ltiv ib rato rs an d h i g h v o ltag e d i g ital lo g i c gat e s. ? single or split supply operation ? low input b i as c u rrent ? low input offset c u rrent ? input c o m m on m ode vol t a ge r a nge t o gnd ? lo w ou tp u t satu ratio n vo ltag e ? ttl and cmos com p atible logic diagram pin 3 = v cc pin 12 = gnd pin assignment 1
KK2901 maximum ratings * sym b o l p a r a m e t e r valu e un i t v cc power suppl y vol t a ges si ngl e suppl y split supplies 36 18 v v idr input di fferent i a l vol t a ge r a nge 36 v v icr input c o m m on m ode vol t a ge r a nge (1) -0.3 t o v cc v i sc out put short c i rcui t t o ground c ont i nuous i in input c u rrent , per pi n (2) 50 m a t j j u n c t i on tem p erat u r e plastic packages 150 c tst g st orage tem p erat ure -65 t o +150 c t l lead tem p erat ure, 1m m from c a se for 10 seconds 260 c p d power di ssi pat i on @t a =25 c plastic package derat e above 25 c 1.0 8.0 w mw / 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. notes: 1. split power supplies. 2. v in <-0.3v. this input current will only exist when voltage at any of the input leads is driven negative. recommended operating conditions sy m bol p a r a m e t e r m i n m a x uni t v cc dc suppl y vol t a ge 2.5 or 5.0 15 or 30 v t a operating tem p erature, all package types -40 +85 c thi s devi ce cont ai ns prot ect i on ci rcui t r y t o guard agai ns t dam a ge due t o hi gh st at i c vol t a ges or el ect ri c fi el ds. however, precautions m u st be taken to avoid applications of any voltage highe r than m a xim u m rated voltages to this hi gh-i m pedance ci rcui t . for proper operat i on, v in and v out shoul d be const r ai ned t o t h e range gnd (v in or v out ) v cc . unused i nput s m u st al way s be t i e d t o an appropri a t e l ogi c vol t a ge l e vel (e.g., ei t h er gnd or v cc ). unused out put s m u st be l e ft open. 2
dc electrical characteristics (t a =-40 to +85 c) g u a r a n t e e d lim i t sy m bol param e t e r test c ondi t i ons m i n ty p m a x uni t v io input offset vol t a ge v 0 =1.4v v cc =5.0-30v; r s 100 ? v icr =0v - (v cc -1.5)v - 9 . 0 5.0* mv i ib input b i as c u rrent v 0 =1.4v v cc =5.0-30v v icr =0v - (v cc -1.5)v - 4 0 0 n a i io input offset c u rrent v 0 =1.4v v cc =5.0-30v v icr =0v - (v cc -1.5)v - 150 na v icr input c o m m on m ode vol t a ge r a nge v cc = 5 . 0 - 3 0 v 0 v cc - 2.0v v i cc s u p p l y c u rrent r l = ,v cc =5.0 r l = ,v cc =30v - - 2 . 0 * 2.5* ma a vol v o ltag e gain v cc =15v, r l =15k ? - 2 0 0 * - v/ m v t 1 l a r g e si gnal r e sponse ti m e v in =ttl logic swing, v ref =1.4v, v cc =5.0v, r l =5.1k ? , v rl =5.0v - 3 0 0 * - n s t 2 r e sponse ti m e v cc =5.0v, r l =5.1k ? , v rl =5.0v - 1 . 3 * - s i sink out put si nk c u rrent v i (-)=1.0v, v i (+)=0v, v 0 1.5v, v cc =5.0v 6 . 0 * - - m a v sat s a t u ratio n vo ltag e v i (-)=1.0v, v i (+)=0v, i sink 4.0m a, v cc =5.0v - - 7 0 0 m v i ol o u t p u t l e a k a g e current v i (+)=1.0v, v i (-)=0v, v 0 =5.0v v 0 =30v 0.1* 1000 na v idr d i fferent i a l input vol t a ge r a nge all v in gnd or v-suppl y (if used) v cc * v *=@25 c 3 KK2901
typical performance characteristics (v cc =1.5v, t a =+25 c, (each com porator)) figure 1. normaliz ed input offset voltage figure 2. input bias current figure 3. output sink current versus output saturation voltage 4 KK2901
n s u f f i x p l as t i c di p (m s - 0 0 1 a a ) sy m b o l m i n m a x a 18. 67 19. 69 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 b ) sy m b o l m i n m a x a 8. 55 8. 75 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 d i me n s i o n , mm 1. 27 5. 27 2. 54 7. 62 d i me n s i o n , mm a b h c k c m j f m p g d r x 4 5 se a t i n g pl an e 0.2 5 ( 0 . 0 10 ) m t -t - 1 14 7 8 a b f g d l h se a t i n g pl a n e n k 0.25 ( 0 . 010) m t m j -t - c 1 14 7 8 5 KK2901
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