techni cal data 2011, january, ver.01 low power low offset voltage dual comparators the il2903 consists of two independent precision voltage comparators with an offset voltage specification as low as 2.0 mv max for two comparators which were designed specifically to operate from a single power supply over a wide range of voltages. application areas include limit comparators, simple analog to digital converters; pulse, sq uarewave and time delay generators; wide range vco; mos clock timers; multivibrators and high voltage digital logic gates. ? single or split supply operation ? low input bias current ? low input offset current ? input common mode voltage range to gnd ? low output s aturation voltage ? ttl and cmos compatible il2903 ordering information il2903 n plastic il2903 d soic t a = - 40 to 85 c for all packages . logic diagram pin 8 = v cc pin 4 = gnd pin assignment
i l 2903 2011, january, ver.01 maximum ratings * symbol parameter value unit v cc power supply voltages single supply split supplies 36 18 v v idr input differential voltage range 36 v v icr input common mode voltage range (1) - 0.3 to v cc v i sc output short circuit to ground continuous i in input current, per pin (2) 50 ma t j junction temperature plastic packages 150 c tstg storage temper ature - 65 to +150 c t l lead temperature, 1mm from case for 10 seconds 260 c p d power dissipation @t a =25 c plastic package derate above 25 c 570 5.7 w mw/ c * stresses bey ond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under ?recommended operating conditio ns? is not implied. exposure to absolute - maximum - rated conditions for extended periods may affect device reliability. functional o peration should be restricted to the recommended 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 symbol parameter min max unit v cc dc supply voltage 2.5 or 5.0 15 or 30 v t a operating temperature, all package types - 40 + 85 c this device contains protection circuitry to guard against damage due to high static voltages or electric fields. however, precautions mus t be taken to avoid applications of any voltage higher than maximum rated voltages to this high - impedance circuit. for proper operation, v in and v out should be constrained to the range gnd (v in or v out ) v cc . unused inputs must always be tied to an appropri ate logic voltage level (e.g., either gnd or v cc ). unused outputs must be left open.
i l 2903 2011, january, ver.01 dc electrical characteristics (t a = - 40 to + 85 c) guaranteed limit symbol parameter test conditions min typ max unit v io input offset voltage 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 bias current v 0 =1.4v v cc =5.0 - 30v v icr =0v - (v cc - 1.5)v - 400 na i io input offset current v 0 =1.4v v cc =5.0 - 30v v icr =0v - (v cc - 1.5)v - 150 50* na v icr input common mode voltage range v cc =5.0 - 30v 0 v cc - 2.0v v i cc supply current r l = ,v cc =5.0 r l = ,v cc =30v - - 1.0* 2.5* ma a vol voltage gain v cc =15v, r l =15k ? - 200* - v/mv t 1 large signal response time v in =ttl logic swing, v ref =1.4v, v cc =5.0v, r l =5.1k ? , v rl =5.0v - 300* - ns t 2 response time (note 6) v cc =5.0v, r l =5.1k ? , v rl =5.0v - 1.3* - s i sink output sink current v i ( - )=1.0v, v i (+)=0v, v 0 1.5v, v cc =5.0v 6.0* - - ma v sat saturation voltage v i ( - )=1.0v, v i (+)=0v, i sink 4.0ma, v cc =5.0v - - 700 mv i ol output leakage current v i (+)=1.0v, v i ( - )=0v, v 0 =5.0 v v 0 =30v 0.1* 1000 na v idr differential input voltage range all v in gnd or v - supply (if used) v cc v *=@25 c
i l 2903 2011, january, ver.01 typical performance characteristics (v cc =1.5v, t a =+25 c, (each comporator)) figure 1. input bias current versu s power supply voltage figure 2. output saturation voltage versus output sink current figure 3. output saturation voltage versus output sink current figure 4. power supply current versus po wer supply voltage figure 5. power supply current versus power supply voltage
i l 2903 2011, january, ver.01 n suffix plastic dip (ms ? 001ba) symbol min max a 8.51 10.16 b 6.1 7.11 c 5.33 d 0.36 0.56 f 1.14 1.78 g h j 0 10 k 2.92 3.81 no tes : l 7.62 8.26 1. dimensions ?a?, ?b? do not include mold flash or protrusions. m 0.2 0.36 maximum mold flash or protrusions 0.25 mm (0.010) per side. n 0.38 d s uffix s oic (ms - 012aa) symbol min max a 4.8 5 b 3.8 4 c 1.35 1.75 d 0.33 0.51 f 0.4 1.27 g h j 0 8 no tes : k 0.1 0.25 1. dimensions a and b do not include mold flash or protrusion. m 0.19 0.25 2. maximum mold flash or protrusion 0.15 mm (0.006) per side p 5.8 6.2 for a; for b ? 0.25 mm (0.010) per s ide. r 0.25 0.5 1.27 5.72 dimens ion, mm dimens ion, mm 2.54 7.62 a b h c k c m j f m p g d r x 45 seating plane 0.25 (0.010) m t -t- 1 8 4 5 l h m j a b f g d se ati ng plane n k 0.25 (0.010) m t -t- c 1 8 4 5
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