f eatures wide single-supply range: 2.0 v to 36 v split-supply range: 1.0 v to 18 v very low current drain independent of supply voltage: 0.4 ma low input bias current: 25 na low input offset current: 5.0 na low input offset voltage: 5.0 mv (max) input common mode range to ground level differential input voltage range equal to power supply voltage representative schematic diagram absolute maximum ratings ta = 25 parameter symbol rating unit power supply voltage v cc +36 or 18 v input differential voltage range v idr 36 v input common mode voltage range v icr -0.3 to +36 v output short circuit-to-ground i sc continuous output sink current* i sink 20 power dissipation @ t a =25 p d 570 mw derate above 25 1/r ja 5.7 mw/ operating ambient temperature range t a 0to70 maximum operating junction temperature t j(max) 150 storage temperature range tstg -65 to +150 esd protection at any pin - human body model 2000 - machine model 200 * the maximum output current may be as high as 20 ma, independent of the magnitude of v cc , output short circuits to v cc can cause excessive heating and eventual destruction. v ma vesd low power low offset voltage dual comparators v cc + input - input output q3 r4 q4 q5 r2 q6 q14 q16 q15 q12 q11 q10 q9 q8 q2 q1 f1 2.0 k 2.1 k r1 4.6 k (top view) gnd inputs a inputs b output b output a v cc ? ? + + 1 2 3 4 8 7 6 5 3 9 SOP-8 3 m l http://www.luguang.cn mail:lge@luguang.cn
electrical characteristics (v cc =5.0v,0 t a 70 , unless otherwise noted.) parameter symbol testconditons min typ max unit t a =25 1.0 5.0 0 t a 70 9.0 t a =25 5.0 50 0 t a 70 150 t a =25 25 250 0 t a 70 400 t a =25 0 v cc - 1.5 0 t a 70 0 v cc - 2.0 voltage gain a vol r l 15 k ,v cc =15v,t a =25 50 200 v/mv large signal response time v in = ttl logic swing, v ref =1.4v,v rl =5.0v, r l =5.1k ,t a =25 300 ns response time *4 t tlh v rl =5.0v,r l =5.1k ,ta=25 1.3 s input differential voltage *5 v id all v in g nd or v-supply (if used) v cc v output sink current i sink v in 1.0 v, v in+ =0v,v o 1.5 v t a =25 6.0 16 ma v in 1.0 v, v in +=0,i sink 4.0 ma, t a =25 150 400 0 ta 70 700 v in- =0v,v in+ 1.0 v, v o =5.0v,t a =25 0.1 v in- =0v,v in+ 1.0 v, v o =30v,0 t a 70 1000 r l = both comparators, t a =25 0.4 1.0 r l = both comparators, v cc =30v 2.5 *1. at output switch point, v o =1.4 v, r s =0withv cc from 5.0 v to 30 v, and over the full input common mode range (0 v to v cc =-1.5v). *2. due to the pnp transistor inputs, bias current will flow out of the inputs. this current is essentially constant, independent of the output state, therefore, no loading changes will exist on the input lines. *3. input common mode of either input should not be permitted to go more than 0.3 v negative of ground or minus supply. the upper limit of common mode range is v cc -1.5 v. *4. response time is specified with a 100 mv step and 5.0 mv of overdrive. with larger magnitudes of overdrive faster response times are obtainable. *5. the comparator will exhibit proper output state if one of the inputs becomes greater than v cc , the other input must remain within the common mode range. the low input state must not be less than -0.3 v of ground or minus supply. i ol i ib v icr v ol output saturation voltage mv na input offset current i io v io input offset voltage*1 output leakage current supply current na v mv na ma input common mode voltage range *2 i cc input bias current *2 mark ing mar king 393n ordering information deviece packa ging shipping 2500 / tape&reel lm393 sop08 3 9 3 m l
typical characteristics figure 1. input bias current versus power supply voltage v cc , supply voltage (vdc) i , input bias current (na) ib 80 70 60 50 40 30 20 10 0 0 5.0 10 15 20 25 30 35 40 t a = 0 c t a = +25 c t a = -55 c t a = +70 c t a = +125 c figure 2. output saturation voltage versus output sink current i sink , output sink current (ma) v , saturation voltage (vdc) ol 10 1.0 0.1 0.01 0.001 0.01 0.1 1.0 10 100 t a = +25 c t a = +125 c t a = -55 c out of saturation figure 3. power supply current versus power supply voltage v cc , supply voltage (vdc) i , supply current (ma) cc 1.0 0.8 0.6 0.4 0.2 0 5.0 10 15 20 25 30 35 40 t a = +70 c t a = +125 c r l = t a = 0 c t a = +25 c t a = -55 c 3 9 3 m l http://www.luguang.cn mail:lge@luguang.cn
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