?2012 fairchild semiconductor corporation www.fairchildsemi.com rev. 1.0.3 features ? operates from a single 5v supply ? typically 80ns response time at 15v ? open collector outputs : up to +35v ? high output drive current : 25ma ? inputs and outputs can be isolated from system ground ? minimum fan-out of 2 (each side) ? two independent comparators description the ka319 is a dual high speed voltage comparator designed to operate from a single +5v supply up to 15v dual supplies. open collector of the output stage makes the ka319 compatible with rtl, dtl and ttl as well as capable of driving lamps and relays at currents up to 25ma. typical response time of 80ns with 15v power supplies makes the ka319 ideal for application in fast a/d converts, level shiftiers, oscillator s, and multivibrators. 14-sop 14-dip 1 1 internal block diagram 14 1 2 3 4 5 6 7 8 9 10 11 12 13 nc nc output1 v cc in2 (-) in2 (+) gnd2 nc nc gnd1 in (+) in (-) v ee output2 + _ _ + ka319 dual comparator
ka319 2 schematic diagram absolute maximum ratings parameter symbol value unit supply voltage v cc 36 v output to negative supply voltage v o - v ee 36 v ground to negative supply voltage v ee 25 v ground to positive supply voltage v cc 18 v differential input voltage v i(diff) 5v input voltage v i 15 v output short circuit duration - 10 sec power dissipation p d 500 mw thermal resistance junction-ambient max. r ja 250 c/w operating temperature range ka319 t opr 0 ~ +70 c storage temperature range t stg -65 ~ +150 c q1 q2 q3 q4 q5 q6 q7 q8 q9 q10 q11 q12 q13 q14 q15 q16 q17 q18 q19 q20 q21 q22 r1 r2 r3 r4 r5 r6 r7 r8 r9 r10 r11 r12 r13 r14 r15 r16 r17 r18 r19 r20 r21 r22 r23 r24 r25 c1 v cc output gnd v ee in (-) in (+)
ka319 3 electrical characteristics (v cc = +15v, v ee = -15v, t a = 25 c, unless otherwise specified) notes : 1. the offset voltage and offset currents give n are the maximum values required to drive the output within a volt of either supply with a 1ma load. thus , these parameters define an error band and take in to account the worst case effects of voltage gain and input impedance. 2. the response time specified is for a 100mv input step with 5mv overdrive. 3. ka319 : 0 t a +70 c parameter symbol conditions ka319 unit min. typ. max. input offset voltage (note1) v io r s 5k - 2.0 8.0 mv note3 - - 10 input offset current (note1) i io - 10 200 na note3 - - 300 input bias current i bias - 150 1000 na note3 - - 1200 voltage gain g v -840-v/mv response time (note2) t res v cc = 15v - 80 - ns saturation voltage v sat v cc =15v, v ee = -15v , v i -5mv, i o = 25ma - 0.6 1.5 v v cc = 4.5v,v ee = 0v v i -10mv, i o 3.2ma note3 - 0.3 0.4 output leakage current i o(lkg) v i 5mv, v o(p) = 35v --- a note3 - - - v i 10mv, v o(p) = 35v - 0.2 10 input voltage range v i(r) note3 v cc = 15v - 13 - v v cc = 5v, v ee = 0v 1 - 3 differential input voltage v i(diff) - note3 - - 5v positive supply current i cc1 v cc = 5v, v ee = 0v - 3.6 - ma positive supply current i cc2 v cc = 15v - 7.5 12.5 ma negative supply current i ee v cc = 15v - 3 5 ma
ka319 4 typical performance characteristics figure 1. input current figure 2. output saturation voltage figure 3. transfer function figure 4. respons e time for various input overdriver figure 5. response time various input o verdriver figure 6. i nput characteristics
ka319 5 typical performance characteristics (continued) figure 7. response time for various input over driver figure 8. response time for various input over driver figure 9. supply current figure 10. supply current figure 11. common mode limits figure 12. output limiti ng characteristics
ka319 6 mechanical dimensions package dimensions in millimeters 6.40 0.20 7.62 0.300 2.54 0.100 # 1 # 7 #8 #14 0.252 0.008 0~15 0.25 +0.10 ?.05 0.010 +0.004 ?.002 3.30 0.30 0.130 0.012 3.25 0.20 0.128 0.008 19.40 0.20 0.764 0.008 19.80 0.780 max 5.08 0.200 0.20 0.008 max min 2.08 0.082 ( ) 0.46 0.10 0.018 0.004 0.059 0.004 1.50 0.10 14-dip
ka319 7 mechanical dimensions (continued) package dimensions in millimeters 3 , 1 , ' $ % ( ( 0 $ ; 0 & $ % & & ( & + $ 0 ) ( 5 2 3 7 , 2 1 $ / $ a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a ? * $ 8 * ( 3 / $ 1 ( 6 ( $ 7 , 1 * 3 / $ 1 ( 14-sop
ka319 1/17/12 0.0m 001 stock#ds400067 ? 2012 fairchild semiconductor corporation 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 corporation. 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 li fe, 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 disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. ordering information product number package operating temperature ka319 14-dip 0 ~ +70 c ka319d 14-sop
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