?2000 fairchild semiconductor international www.fairchildsemi.com rev. 5.0 features ? single supply operation: 2v to 36v ? dual supply operation: 1v to 18v ? allow comparison of voltages near ground potential ? low current drain 800 a typ. ? compatible with all forms of logic ? low input bias current 25na typ. ? low input offset current 5na typ. ? low offset voltage 1mv typ. descritpion the ka293 series consists of two independent voltage com- parators designed to operate from a single power supply over a wide voltage range. 8-dip 8-sop 9-sip 1 1 1 internal block diagram ka293/ka293a, ka393/ka393a, ka2903 dual differential comparator
ka293/ka293a, ka393/ka393a, ka2903 2 schematic diagram absolute maximum ratings parameter symbol value unit power supply voltage v cc 18 or 36 v differential input voltage v i(diff) 36 v input voltage v i - 0.3 to +36 v output short circuit to gnd - continuous - power dissipation p d 570 mw operating temperature ka393/ka393a ka293/ka293a ka2903 t opr 0 ~ + 70 - 25 ~ + 85 - 40 ~ + 85 c storage temperature t stg - 65 ~ + 150 c
ka293/ka293a, ka393/ka393a, ka2903 3 electrical characteristics (v cc =5v, t a =25 c, unless otherwise specified) note 1 ka393 / ka393a : 0 t a +70 c ka293 / ka293a : -25 t a +85 c ka2903 : -40 t a +85 c parameter symbol conditions ka293a/ka393a ka293/ka393 unit min. typ. max. min. typ. max. input offset voltage v io v o(p) =1.4v, r s =0 ? - 1 2- 1 5 mv v cm = 0 to 1.5v note 1 - - 4.0 - - 9.0 input offset current i io - 5 50 - 5 50 na note 1 - - 150 - - 150 input bias current i bias - 65 250 - 65 250 na note 1 - - 400 - - 400 input common mode voltage range v i(r) 0-v cc -1.5 0 - v cc - 1.5 v note 1 0 - v cc -2 0 - v cc -2 supply current i cc r l = -0.6 1 -0.6 1 ma r l = , v cc = 30v - 0.8 2.5 - 0.8 2.5 voltage gain g v v cc =15v, r l 15k ? (for large v o(p-p)swing ) 50 200 - 50 200 - v/mv large signal response time t res v i =ttl logic swing v ref =1.4v, v rl =5v, r l =5.1k ? - 350 - - 350 - ns response time t res v rl =5v, r l =5.1k ? -1.4 - -1.4 - s output sink current i sink v i(-) 1v, v i(+) =0v, v o(p) 1.5v 618 - 618 - ma output saturation voltage v sat v i(-) 1v, vi(+) =0v - 160 400 - 160 400 mv i sink = 4ma note 1 - - 700 - - 700 output leakage current i o(lkg) v i(-) = 0v, v i(+) = 1v v o(p) = 5v - 0.1 - - 0.1 - na v o(p) = 30v - - 1.0 - - 1.0 a
ka293/ka293a, ka393/ka393a, ka2903 4 electrical characteristics (continued) (v cc =5v, t a =25 c, unless otherwise specified) note 1 ka393 / ka393a : 0 t a +70 c ka293 / ka293a : -25 t a +85 c ka2903 : -40 t a +85 c parameter symbol conditions ka2903 unit min. typ. max. input offset voltage v io v o(p) =1.4v, r s =0 ? - 1 7 mv v cm = 0 to 1.5v note 1 - 9 15 input offset current i io - 5 50 na note 1 - 50 200 input bias current i bias - 65 250 na note 1 - - 500 input common mode voltage range v i(r) 0-v cc -1.5 v note 1 0 - v cc -2 supply current i cc r l = -0.6 1 ma r l = , v cc = 30v - 1 2.5 voltage gain g v v cc =15v, r l 15k ? (for large v o(p-p)swing ) 25 100 - v/mv large signal response time t res v i =ttl logic swing v ref =1.4v, v rl =5v, r l =5.1k ? - 350 - ns response time t res v rl =5v, r l =5.1k ? -1.5 - s output sink current i sink v i(-) 1v, v i(+) =0v, v o(p) 1.5v 6 16 - ma output saturation voltage v sat v i(-) 1v, vi(+) =0v - 160 400 mv i sink = 4ma note 1 - - 700 output leakage current i o(lkg) v i(-) = 0v, v o(p) = 5v - 0.1 - na v i(+) = 1v v o(p) = 30v - - 1.0 a
ka293/ka293a, ka393/ka393a, ka2903 5 typical performance characteristics figure 1. supply current vs sopply voltage figure 2. input current vs sopply voltage figure 3. output saturation voltage vs sink current figure 4. respose time for various input overdrive-negative transition figure 5. respose time for various input overdive-positive transition
ka293/ka293a, ka393/ka393a, ka2903 6 mechanical dimensions package 6.40 0.20 3.30 0.30 0.130 0.012 3.40 0.20 0.134 0.008 #1 #4 #5 #8 0.252 0.008 9.20 0.20 0.79 2.54 0.100 0.031 () 0.46 0.10 0.018 0.004 0.060 0.004 1.524 0.10 0.362 0.008 9.60 0.378 max 5.08 0.200 0.33 0.013 7.62 0~15 0.300 max min 0.25 +0.10 ?.05 0.010 +0.004 ?.002 8-dip
ka293/ka293a, ka393/ka393a, ka2903 7 mechanical dimensions (continued) package 4.92 0.20 0.194 0.008 0.41 0.10 0.016 0.004 1.27 0.050 5.72 0.225 1.55 0.20 0.061 0.008 0.1~0.25 0.004~0.001 6.00 0.30 0.236 0.012 3.95 0.20 0.156 0.008 0.50 0.20 0.020 0.008 5.13 0.202 max #1 #4 #5 0~8 #8 0.56 0.022 () 1.80 0.071 max0.10 max0.004 max min + 0.10 -0.05 0.15 + 0.004 -0.002 0.006 8-sop
ka293/ka293a, ka393/ka393a, ka2903 8 mechanical dimensions (continued) package 21.84 0.20 0.860 0.008 22.24 0.876 max 1.20 0.10 0.047 0.004 0.60 0.10 0.024 0.004 0.76 0.030 () 2.54 0.100 1.15 0.20 0.045 0.008 5.80 0.20 0.228 0.008 3.30 0.30 0.130 0.012 7.30 0.287 max #1 #9 1.25 0.10 3.00 0.20 0.118 0.008 0.049 0.004 0.25 0.10 0.010 0.004 6.00 0.236 max 9-sip
ka293/ka293a, ka393/ka393a, ka2903 9 ordering information product number package operating temperature ka393 8-dip 0 ~ + 75 c ka393a ka393s 9-sip KA393AS ka393d 8-sop ka393ad ka293 8-dip -25 ~ + 85 c ka293a ka293s 9-dip ka293as ka293d 8-sop ka293ad ka2903 8-dip -40 ~ + 85 c ka2903d 8-sop ka2903s 9-sip
ka293/ka293a, ka393/ka393a, ka2903 7/13/00 0.0m 001 stock#dsxxxxxxxx ? 2000 fairchild semiconductor international life support policy fairchild?s products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor international. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com
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