1/7 n push-pull cmos output (no exter nal pull-up resistor required) n extremely low supply current : 9 m a typ / comparator n wide single supply range 2.7v to 16v or dual supplies (1.35v to 8v) n extremely low input bias current : 1pa typ n extremely low input offset currents : 1pa typ n input common-mode voltage range includes gnd n high input impedance : 10 12 w typ n fast response time : 2 m s typ for 5mv overdrive n pin-to-pin and functionally compatible with bipolar lm393 description the ts3702 is a micropower cmos dual voltage comparator with extremely low consumption of 9 m a typ / comparator (20 times less than bipolar lm393). the push-pull cmos output stage allows power and space saving by eliminating the exter- nal pull-up resistor required by usual open-collec- tor output comparators. thus response times remain similar to the lm393. order code n = dual in line package (dip) d = small outline package (so) - also available in tape & reel (dt) p = thin shrink small outline package (tssop) - only available in tape & reel (pt) pin connections (top view) part number temperature range package ndp ts3702c 0c, +70c ts3702i -40c, +125c ts3702m -55c, +125c n dip8 (plastic package) d so8 (plastic micropackage) p tssop8 (thin shrink small outline package) 1 2 3 45 6 7 8 inverting input 2 output 2 non-inverting input 2 output 1 inverting input 1 non-inverting input 1 cc + v - cc v - + - + ts3702c,i,m micropower dual cmos voltage comparators january 2003
ts3702c,i,m 2/7 schematic diagram (for 1/2 ts3702) absolute maximum ratings operating conditions t 1 t 2 1 tt 34 r t t t t 5 6 7 8 t t t 9 11 10 t 12 t 17 t 13 tt 14 15 t 16 tt 19 20 tt 18 21 input - input + output cc v+ cc v- symbol parameter value unit v cc + supply voltage 1) 18 v v id differential input voltage 2) 18 v v i input voltage 3) 18 v v o output voltage 18 v i o output current 20 ma i f forward current in esd protection diodes on input 4) 50 ma p d power dissipation 5) dip8 so8 tssop8 1250 710 625 mw t stg storage temperature range -65 to +150 c 1. all voltage values, except differential voltage, are with respect to network ground terminal. 2. differential voltages are the non-inverting input terminal with respect to the inverting input terminal. 3. the magnitude of the input and the output voltages must never exceed the magnitude of the possitive supply voltage. 4. guaranteed by design. 5. pd is calculated with t amb = +25c, t j = +150c and r thja = 100c/w for dip8 package = 175c/w for so8 package = 200c/w for tssop8 package symbol parameter value unit v cc + supply voltage ts3702c,i ts3702m 2.7 to 16 4 to 16 v v icm common mode input voltage range 0 to v cc + -1.5 v t oper operating free-air temperature range ts3702c ts3702i ts3702m 0 to +70 -40 to +125 -55 to +125 c
ts3702c,i,m 3/7 electrical characteristics v cc + = 3v, v cc - = 0v, t amb = 25c (unless otherwise specified) symbol parameter min. typ. max. unit v io input offset voltage 1) v ic = 1.5v t min . t amb t max. 1. the specified offset voltage is the maximun value required to drive the output up to 2.5v or down to 0.3v. 5 6.5 mv i io input offset current 2) v ic = 1.5v t min . t amb t max. 2. maximum values including unavoidable inaccuracies of the industrial test. 1 300 pa i ib input bias current 2) v ic = 1.5v t min . t amb t max. 1 600 pa v icm input common mode voltage range t min . t amb t max 0 0 v cc + -1.2 v cc + -1.5 v cmr common-mode rejection ratio v ic = v icm min. 80 db svr supply voltage rejection ratio v cc + = 3v to 5v 75 db v oh high level output voltage v id = 1v, i oh = -4ma t min . t amb t max. 2 1.8 2.4 v v ol low level output voltage v id = -1v, i ol = 4ma t min . t amb t max. 300 400 450 mv i cc supply current (each comparator) no load - outputs low t min . t amb t max. 720 25 m a t plh response time low to high v ic = 0v, f = 10khz, c l = 50pf, overdrive = 5mv ttl input 1.5 0.7 m s t phl response time high to low v ic = 0v, f = 10khz, c l = 50pf, overdrive = 5mv ttl input 2.2 0.15 m s
ts3702c,i,m 4/7 electrical characteristics v cc + = 5v, v cc - = 0v, t amb = 25c (unless otherwise specified) symbol parameter min. typ. max. unit v io input offset voltage v ic = v icm min. , v cc + = 5v to 10v 1) t min . t amb t max. 1. the specified offset voltage is the maximun value required to drive the output up to 4.5v or down to 0.3v. 1.2 5 6.5 mv i io input offset current 2) v ic = 2.5v t min . t amb t max. 2. maximum values including unavoidable inaccuracies of the industrial test. 1 300 pa i ib input bias current 2) v ic = 2.5v t min . t amb t max. 1 600 pa v icm input common mode voltage range t min . t amb t max 0 0 v cc + -1.2 v cc + -1.5 v cmr common-mode rejection ratio v ic = v icm min. 82 db svr supply voltage rejection ratio v cc + = +5v to +10v 90 db v oh high level output voltage v id = 1v, i oh = -4ma t min . t amb t max. 4.5 4.3 4.7 v v ol low level output voltage v id = -1v, i ol = 4ma t min . t amb t max. 200 300 375 mv i cc supply current (each comparator) no load - outputs low t min . t amb t max. 920 25 m a t plh response time low to high v ic = 0v, f = 10khz, c l = 50pf, overdrive = 5mv overdrive = 10mv overdrive = 20mv overdrive = 40mv ttl input 1.5 1.1 0.9 0.7 0.6 m s t phl response time high to low v ic = 0v, f = 10khz, c l = 50pf, overdrive = 5mv overdrive = 10mv overdrive = 20mv overdrive = 40mv ttl input 2.2 1.6 1.1 0.75 0.17 m s t f fall time f = 10khz, c l = 50pf, overdrive 50mv 30 ns
ts3702c,i,m 5/7 package mechanical data 8 pins - plastic dip dimensions millimeters inches min. typ. max. min. typ. max. a 3.32 0.131 a1 0.51 0.020 b 1.15 1.65 0.045 0.065 b 0.356 0.55 0.014 0.022 b1 0.204 0.304 0.008 0.012 d 10.92 0.430 e 7.95 9.75 0.313 0.384 e 2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 f 6.6 0260 i 5.08 0.200 l 3.18 3.81 0.125 0.150 z 1.52 0.060
ts3702c,i,m 6/7 package mechanical data 8 pins - plastic micropackage (so) dimensions millimeters inches min. typ. max. min. typ. max. a 1.75 0.069 a1 0.1 0.25 0.004 0.010 a2 1.65 0.065 a3 0.65 0.85 0.026 0.033 b 0.35 0.48 0.014 0.019 b1 0.19 0.25 0.007 0.010 c 0.25 0.5 0.010 0.020 c1 45 (typ.) d 4.8 5.0 0.189 0.197 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 3.81 0.150 f 3.8 4.0 0.150 0.157 l 0.4 1.27 0.016 0.050 m 0.6 0.024 s 8 (max.) b e3 a a2 s l c e c1 a3 b1 a1 d m 8 5 1 4 f
ts3702c,i,m information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. ? the st logo is a registered trademark of stmicroelectronics ? 2003 stmicroelectronics - printed in italy - all rights reserved stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany - hong kong - india - israel - italy - japan - malaysia malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states ? http://www.st.com 7/7 package mechanical data 8 pins - thin shrink small outline package (tssop) dimensions millimeters inches min. typ. max. min. typ. max. a 1.20 0.05 a1 0.05 0.15 0.01 0.006 a2 0.80 1.00 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.15 c 0.09 0.20 0.003 0.012 d 2.90 3.00 3.10 0.114 0.118 0.122 e 6.40 0.252 e1 4.30 4.40 4.50 0.169 0.173 0.177 e 0.65 0.025 k 0 8 0 8 l 0.50 0.60 0.75 0.09 0.0236 0.030 l 0.45 0.600 0.75 0.018 0.024 0.030 l1 1.000 0.039 c l 14 8 5 l1 c 0.25mm .010 inch gage plane e1 k l l1 e seating plane a a2 d a1 b 5 8 4 1 pin 1 identification e
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