june 2011 ? 2001 fairchild semiconductor corporation www.fairchildsemi.com ka393 / ka2903 ? rev. 1.0.3 ka393 / ka393a, ka2903 ? dual differential comparator ka393 / ka393a, ka2903 dual differential comparator features ? single supply operation: 2v to 36v ? dual supply operation: 1v to 18v ? allow comparison of voltages near ground potential ? low current drain: 800a typical ? compatible with all forms of logic ? low input bias current: 25na typical ? low input offset current: 5na typical ? low offset voltage: 1mv typical description the ka393 / ka393a / ka2903 series consists of two independent voltage comparators designed to operate from a single power supply over a wide voltage range. figure 1. dip package figure 2. soic package figure 3. block diagram figure 4. schematic ordering information part number operating temperature range package packing method ka393 0 to 70c 8-lead dip tube ka393a 0 to 70c tube ka393dtf 0 to 70c 8-lead soic tape and reel ka393adtf 0 to 70c tape and reel ka2903dtf -40 to 85c tape and reel
? 2001 fairchild semiconductor corporation www.fairchildsemi.com ka393 / ka2903 ? rev. 1.0.3 2 ka393 / ka393a, ka2903 ? dual differential comparator absolute maximum ratings stresses exceeding the absolute maximum ratings may dam age the device. the device may not function or be operable above the recommended operating conditions and stressi ng the parts to these levels is not recommended. in addition, extended exposure to stresses above the recomm ended operating conditions may affect device reliability. the absolute maximum ratings are stress ratings only. symbol parameter min. max. unit v cc power supply voltage 18 36 v v i(diff) differential input voltage 36 v v i input voltage -0.3 +36.0 v output short circuit to gnd continuous p d power dissipation, t a = 25c 8-dip 1040 mw 8-soic 480 t opr operating temperature ka393 / ka393a 0 +70 c ka2903 -40 +85 t stg storage temperature -65 +150 c r ja thermal resistance, junction-to-ambient 8-dip 120 c/w 8-soic 260 esd electrostatic discharge capability human body model, jesd22-a114 1000 v charged device model, jesd22-c101 2000
? 2001 fairchild semiconductor corporation www.fairchildsemi.com ka393 / ka2903 ? rev. 1.0.3 3 ka393 / ka393a, ka2903 ? dual differential comparator electrical characteristics v cc = 5v and t a = 25c, unless otherwise specified. symbol parameter conditions min. typ. max. unit v io input offset voltage ka393 v o(p) =1.4v, r s =0 ? 1 5 mv v cm = 0 to1.5v, t a = 0 to +70c 9 ka393a v o(p) =1.4v, r s =0 ? 1 2 v cm = 0 to1.5v, t a = 0 to +70c 4 i io input offset current t a =25c 5 50 na t a = 0 to +70c 150 i bias input bias current t a =25c 65 250 na t a = 0 to +70c 400 v i(r) input common-mode voltage range t a =25c 0 v cc -1.5 v t a = 0 to +70c 0 v cc -2.0 i cc supply current r l = , v cc = 5v 0.6 1.0 ma r l = , v cc = 30v 0.8 2.5 v g voltage gain v cc =15v, r l 15k ? , (for large v o(p-p) swing) 50 200 v/mv t lres large signal response time v i =ttl logic swing v ref =1.4v, v rl =5v, r l =5.1k ? 350 ns t res response time v rl =5v, r l =5.1k ? 1.4 s i sink output sink current v i(-) 1v, v i(+) = 0v, v o(p) 1.5v 6 18 ma v sat output saturation voltage v i(-) 1v, v i(+) =0v 160 400 mv i sink =4ma, t a = 0 to +70c 700 i o(lkg) output leakage current v i(-) = 0v, v i(+) = 1v, v o(p) = 5v 0.1 na v i(-) = 0v, v i(+) = 1v, v o(p) = 30v 1.0 a ka2903 v io input offset voltage v o(p) =1.4v, r s =0 ? 1 7 mv v cm = 0 to1.5v, t a = -40 to +85c 9 15 i io input offset current t a =25c 5 50 na t a = -40 to +85c 50 200 i bias input bias current t a =25c 65 250 na t a = -40 to +85c 500 v i(r) input common-mode voltage range t a =25c 0 v cc -1.5 v t a = -40 to +85c 0 v cc -2.0 i cc supply current r l = , v cc = 5v 0.6 1.0 ma r l = , v cc = 30v 1.0 2.5 v g voltage gain v cc =15v, r l 15k ? , (for large v o(p-p) swing) 25 100 v/mv t lres large signal response time v i =ttl logic swing v ref =1.4v, v rl =5v, r l =5.1k ? 350 ns t res response time v rl =5v, r l =5.1k ? 1.5 s i sink output sink current v i(-) 1v, v i(+) = 0v, v o(p) 1.5v 6 16 ma v sat output saturation voltage v i(-) 1v, v i(+) =0v 160 400 mv i sink =4ma, t a = -40 to +85c 700 i o(lkg) output leakage current v i(-) = 0v, v i(+) = 1v, v o(p) = 5v 0.1 na v i(-) = 0v, v i(+) = 1v, v o(p) = 30v 1.0 a
? 2001 fairchild semiconductor corporation www.fairchildsemi.com ka393 / ka2903 ? rev. 1.0.3 4 ka393 / ka393a, ka2903 ? dual differential comparator typical performance characteristics figure 5. supply current vs. supply voltage figure 6. input current vs. supply voltage figure 7. output saturation voltage vs. sink current figure 8. response time for various input overdrive-negative transitions figure 9. response time for va r ious input overdrive-positive transitions
? 2001 fairchild semiconductor corporation www.fairchildsemi.com ka393 / ka2903 ? rev. 1.0.3 5 ka393 / ka393a, ka2903 ? dual differential comparator physical dimensions figure 10. 8-lead, small-outline integrated ci rcuit (soic), jedec ms-012, .150" narrow body package drawings are provided as a service to customers consi dering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawi ng and contact a fairchild semiconductor representative to ver ify or obtain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and conditions, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packagi ng area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ . 8 0 see detail a notes: unless otherwise specified a) this package conforms to jedec ms-012, variation aa, issue c, b) all dimensions are in millimeters. c) dimensions do not include mold flash or burrs. d) landpattern standard: soic127p600x175-8m. e) drawing filename: m08arev13 land pattern recommendation seating plane c gage plane x 45 detail a scale: 2:1 pin one indicator 4 8 1 b 5 a 5.60 0.65 1.75 1.27 6.20 5.80 3.81 4.00 3.80 5.00 4.80 (0.33) 1.27 0.51 0.33 0.25 0.10 1.75 max 0.25 0.19 0.36 0.50 0.25 r0.10 r0.10 0.90 0.40 (1.04) option a - bevel edge option b - no bevel edge 0.25 cba 0.10 c
? 2001 fairchild semiconductor corporation www.fairchildsemi.com ka393 / ka2903 ? rev. 1.0.3 6 ka393 / ka393a, ka2903 ? dual differential comparator physical dimensions figure 1. 8-lead, dip, jedec ms-001, .300" wide package drawings are provided as a service to customers consi dering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawi ng and contact a fairchild semiconductor representative to ver ify or obtain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and conditions, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packagi ng area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ . c 7 typ 7 typ .430 max [10.92] b a .400 .373 [ 10.15 9.46 ] .250.005 [6.350.13] .036 [0.9 typ] .070 .045 [ 1.78 1.14 ] .100 [2.54] .300 [7.62] .060 max [1.52] .310.010 [7.870.25] .130.005 [3.30.13] .210 max [5.33] .140 .125 [ 3.55 3.17 ] .015 min [0.38] .021 .015 [ 0.53 0.37 ] .010 +.005 -.000 [ 0.254 +0.127 -0.000 ] pin #1 pin #1 (.032) [r0.813] (.092) [?2.337] top view option 1 top view option 2 .001[.025] c n08erevg c. does not include mold flash or protrusions. dambar protrusions shall not exceed d. does not include dambar protrusions. b. controling dimensions are in inches a. conforms to jedec registration ms-001, mold flash or protrusions shall not exceed variations ba e. dimensioning and tolerancing notes: reference dimensions are in millimeters .010 inches or 0.25mm. .010 inches or 0.25mm. per asme y14.5m-1994.
? 2001 fairchild semiconductor corporation www.fairchildsemi.com ka393 / ka2903 ? rev. 1.0.3 7 ka393 / ka393a, ka2903 ? dual differential comparator
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