? semiconductor components industries, llc, 2002 july, 2002 rev. 9 1 publication order number: lm393/d lm393, lm293, lm2903, lm2903v, ncv2903 low offset voltage dual comparators the lm393 series are dual independent precision voltage comparators capable of single or split supply operation. these devices are designed to permit a common mode rangetoground level with single supply operation. input offset voltage specifications as low as 2.0 mv make this device an excellent selection for many applications in consumer, automotive, and industrial electronics. ? wide singlesupply range: 2.0 vdc to 36 vdc ? splitsupply range: 1.0 vdc to 18 vdc ? 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) lm293/393 ? input common mode range to ground level ? differential input voltage range equal to power supply voltage ? output voltage compatible with dtl, ecl, ttl, mos, and cmos logic levels ? esd clamps on the inputs increase the ruggedness of the device without affecting performance 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 figure 1. representative schematic diagram (diagram shown is for 1 comparator) see detailed ordering and shipping information and marking information in the package dimensions section on page 6 of this data sheet. ordering & device marking information pdip8 n suffix case 626 1 8 so8 d suffix case 751 1 8 pin connections (top view) gnd inputs a inputs b output b output a v cc + + 1 2 3 4 8 7 6 5 http://onsemi.com micro8 dm suffix case 846a 8 1
lm393, lm293, lm2903, lm2903v, ncv2903 http://onsemi.com 2 maximum ratings rating symbol value unit power supply voltage v cc +36 or 18 vdc input differential voltage range v idr 36 vdc input common mode voltage range v icr 0.3 to +36 vdc output short circuittoground i sc continuous ma output sink current (note 1) i sink 20 power dissipation @ t a = 25 c p d 570 mw derate above 25 c 1/r q ja 5.7 mw/ c operating ambient temperature range t a c lm293 25 to +85 lm393 0 to +70 lm2903 40 to +105 lm2903v, ncv2903 (note 2) 40 to +125 maximum operating junction temperature t j(max) c lm393, 2903, lm2903v 150 lm293, ncv2903 150 storage temperature range t stg 65 to +150 c 1. 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. 2. ncv2903 is qualified for automotive use.
lm393, lm293, lm2903, lm2903v, ncv2903 http://onsemi.com 3 electrical characteristics (v cc = 5.0 vdc, t low t a t high , unless otherwise noted.) lm293, lm393 lm2903, lm2903v, ncv2903 characteristic symbol min typ max min typ max unit input offset voltage (note 4) v io mv t a = 25 c 1.0 5.0 2.0 7.0 t low t a t high 9.0 9.0 15 input offset current i io na t a = 25 c 5.0 50 5.0 50 t low t a t high 150 50 200 input bias current (note 5) i ib na t a = 25 c 25 250 25 250 t low t a t high 400 200 500 input common mode voltage range (note 5) v icr v t a = 25 c 0 v cc 1.5 0 v cc 1.5 t low t a t high 0 v cc 2.0 0 v cc 2.0 voltage gain a vol 50 200 25 200 v/mv r l 15 k w , v cc = 15 vdc, t a = 25 c large signal response time 300 300 ns v in = ttl logic swing, v ref = 1.4 vdc v rl = 5.0 vdc, r l = 5.1 k w , t a = 25 c response time (note 7) t tlh 1.3 1.5 m s v rl = 5.0 vdc, r l = 5.1 k w , t a = 25 c input differential voltage (note 8) v id v cc v cc v all v in gnd or v supply (if used) output sink current i sink 6.0 16 6.0 16 ma v in 1.0 vdc, v in+ = 0 vdc, v o 1.5 vdc t a = 25 c output saturation voltage v ol mv v in 1.0 vdc, v in+ = 0, i sink 4.0 ma, t a = 25 c 150 400 400 t low t a t high 700 200 700 output leakage current i ol na v in = 0 v, v in+ 1.0 vdc, v o = 5.0 vdc, t a = 25 c 0.1 0.1 v in = 0 v, v in+ 1.0 vdc, v o = 30 vdc, t low t a t high 1000 1000 supply current i cc ma r l = both comparators, t a = 25 c 0.4 1.0 0.4 1.0 r l = both comparators, v cc = 30 v 2.5 2.5 lm293 t low = 25 c, t high = +85 c lm393 t low = 0 c, t high = +70 c lm2903 t low = 40 c, t high = +105 c lm2903v & ncv2903 t low = 40 c, t high = +125 c ncv2903 is qualified for automotive use. 3. 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. 4. at output switch point, v o 1.4 vdc, r s = 0 w with v cc from 5.0 vdc to 30 vdc, and over the full input common mode range (0 v to v cc = 1.5 v). 5. 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. 6. 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. 7. response time is specified with a 100 mv step and 5.0 mv of overdrive. with larger magnitudes of overdrive faster response ti mes are obtainable. 8. 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.
lm393, lm293, lm2903, lm2903v, ncv2903 http://onsemi.com 4 lm293/393 lm2903 figure 2. input bias current versus power supply voltage figure 3. input bias current versus power supply voltage figure 4. output saturation voltage versus output sink current figure 5. output saturation voltage versus output sink current figure 6. power supply current versus power supply voltage figure 7. power supply current versus power supply voltage v cc , supply voltage (vdc) v cc , supply voltage (vdc) v cc , supply voltage (vdc) v cc , supply voltage (vdc) i sink , output sink current (ma) i sink , output sink current (ma) i , input bias current (na) ib v , saturation voltage (vdc) ol i , supply current (ma) cc 80 70 60 50 40 30 20 10 0 0 5.0 10 15 20 25 30 35 40 80 70 60 50 40 30 20 10 0 0 5.0 10 15 20 25 30 35 40 10 1.0 0.1 0.01 0.001 0.01 0.1 1.0 10 100 1.0 0.8 0.6 0.4 0.2 0 5.0 10 15 20 25 30 35 40 1.2 0.4 10 1.0 0.1 0.01 0.001 0.01 0.1 1.0 10 100 0 5.0 10 15 20 25 30 35 40 t a = 0 c t a = +25 c t a = +25 c t a = +85 c t a = -40 c t a = +70 c t a = +125 c r l = t a = 0 c t a = +25 c t a = +25 c t a = 0 c t a = +25 c t a = -40 c t a = -40 c t a = 0 c t a = +25 c t a = +85 c 1.0 0.8 0.6 i , supply current (ma) cc v , saturation voltage (vdc) ol i , input bias current (na) ib t a = +125 c r l = t a = -55 c t a = +70 c t a = +125 c t a = -55 c out of saturation t a = +85 c out of saturation t a = -55 c t a = 0 c
lm393, lm293, lm2903, lm2903v, ncv2903 http://onsemi.com 5 applications information these dual comparators feature high gain, wide bandwidth characteristics. this gives the device oscillation tendencies if the outputs are capacitively coupled to the inputs via stray capacitance. this oscillation manifests itself during output transitions (v ol to v oh ). to alleviate this situation, input resistors <10 k w should be used. the addition of positive feedback (<10 mv) is also recommended. it is good design practice to ground all unused pins. differential input voltages may be larger than supply voltage without damaging the comparator's inputs. v oltages more negative than 0.3 v should not be used. figure 8. zero crossing detector (single supply) figure 9. zero crossing detector (split supply) figure 10. freerunning squarewave oscillator figure 11. time delay generator figure 12. comparator with hysteresis 10 d1 prevents input from going negative by more than 0.6 v. r1 + r2 = r3 r3 r5 for small error in zero crossing. v in 10 k d1 r1 8.2 k 6.8 k r2 15 k r3 +15 v 10 m r5 220 k r4 220 k lm393 v in(min) 0.4 v peak for 1% phase distortion ( dq ). q +v cc 10 k v in -v ee v in v in(min) v cc v o - v ee dq q lm393 - + lm393 51 k 51 k 51 k r l 10 k v cc v cc v cc v o v o t 0 1.0 m w 0.001 m f - + lm393 v cc v cc v o v in v o + v ref v ref v ref 0 0 0 v c t o t ``on'' for t t o + d t where: d t = rc n ( v ref v cc ) r r l v c c lm393 - + r s v cc r l v ref r1 r2 r s = r1 | | r2 v th1 = v ref + (v cc -v ref ) r1 r1 + r2 + r l v th2 = v ref - (v ref -v o low) r1 r1 + r2 r1 t - + lm393
lm393, lm293, lm2903, lm2903v, ncv2903 http://onsemi.com 6 marking diagrams awl lm393n 1 8 yyww x = 2 or 3 a = assembly location wl, l = wafer lot yy, y = year ww, w = work week alyw lmx93 1 8 pdip8 n suffix case 626 awl lm2903n 1 8 yyww so8 d suffix case 751 alyw 2903 1 8 alyw 2903v 1 8 * *this marking diagram also applies to ncv2903dr2. micro8 dm suffix case 846a x93 ayw 1 8 2903 ayw 1 8 ordering information device package shipping lm293d so8 98 units / rail lm293dr2 so8 2500 units / reel lm293dmr2 micro8 4000 tape and reel lm393d so8 98 units / rail lm393dr2 so8 2500 units / reel lm393n pdip8 50 units / rail lm393dmr2 micro8 4000 tape and reel lm2903d so8 98 units / reel lm2903dr2 so8 2500 units /reel lm2903n pdip8 50 units / rail lm2903dmr2 micro8 4000 tape and reel lm2903vd so8 98 units / reel lm2903vdr2 so8 2500 units /reel lm2903vn pdip8 50 units / rail ncv2903dr2 (note 9) so8 2500 tape and reel 9. ncv2903 is qualified for automotive use.
lm393, lm293, lm2903, lm2903v, ncv2903 http://onsemi.com 7 package dimensions pdip8 n suffix case 62605 issue l notes: 1. dimension l to center of lead when formed parallel. 2. package contour optional (round or square corners). 3. dimensioning and tolerancing per ansi y14.5m, 1982. 14 5 8 f note 2 a b t seating plane h j g d k n c l m m a m 0.13 (0.005) b m t dim min max min max inches millimeters a 9.40 10.16 0.370 0.400 b 6.10 6.60 0.240 0.260 c 3.94 4.45 0.155 0.175 d 0.38 0.51 0.015 0.020 f 1.02 1.78 0.040 0.070 g 2.54 bsc 0.100 bsc h 0.76 1.27 0.030 0.050 j 0.20 0.30 0.008 0.012 k 2.92 3.43 0.115 0.135 l 7.62 bsc 0.300 bsc m --- 10 --- 10 n 0.76 1.01 0.030 0.040 so8 d suffix case 75107 issue aa seating plane 1 4 5 8 n j x 45 k notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimension a and b do not include mold protrusion. 4. maximum mold protrusion 0.15 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.127 (0.005) total in excess of the d dimension at maximum material condition. 6. 751-01 thru 751-06 are obsolete. new standaard is 751-07 a b s d h c 0.10 (0.004) dim a min max min max inches 4.80 5.00 0.189 0.197 millimeters b 3.80 4.00 0.150 0.157 c 1.35 1.75 0.053 0.069 d 0.33 0.51 0.013 0.020 g 1.27 bsc 0.050 bsc h 0.10 0.25 0.004 0.010 j 0.19 0.25 0.007 0.010 k 0.40 1.27 0.016 0.050 m 0 8 0 8 n 0.25 0.50 0.010 0.020 s 5.80 6.20 0.228 0.244 x y g m y m 0.25 (0.010) z y m 0.25 (0.010) z s x s m
lm393, lm293, lm2903, lm2903v, ncv2903 http://onsemi.com 8 package dimensions s b m 0.08 (0.003) a s t dim min max min max inches millimeters a 2.90 3.10 0.114 0.122 b 2.90 3.10 0.114 0.122 c --- 1.10 --- 0.043 d 0.25 0.40 0.010 0.016 g 0.65 bsc 0.026 bsc h 0.05 0.15 0.002 0.006 j 0.13 0.23 0.005 0.009 k 4.75 5.05 0.187 0.199 l 0.40 0.70 0.016 0.028 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimension a does not include mold flash, protrusions or gate burrs. mold flash, protrusions or gate burrs shall not exceed 0.15 (0.006) per side. 4. dimension b does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.25 (0.010) per side. 5. 846a-01 obsolete, new standard 846a-02. b a d k g pin 1 id 8 pl 0.038 (0.0015) t seating plane c h j l micro8 dm suffix case 846a02 issue f on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso must be validated for each customer application by customer's technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indem nify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and re asonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized u se, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employ er. publication ordering information japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. lm393/d micro8 is a trademark of international rectifier. literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com n. american technical support : 8002829855 toll free usa/canada
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