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february 2007 rev 3 1/11 11 ts3702 micropower dual cmos voltage comparators features push-pull cmos output (no external pull-up resistor required) extremely low supply current: 9 a typ / comparator wide single supply range: 2.7v to 16v or dual supplies (1.35v to 8v) extremely low input bias current: 1pa typ extremely low input offset currents: 1pa typ input common-mode voltage range includes gnd high input impedance: 10 12 typ fast response time: 2 s typ for 5mv overdrive 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 a typ / comparator (20 times less than bipolar lm393). the push-pull cmos output stage allows power and space saving by eliminating the external pull-up resistor required by usual open- collector output comparators. thus response times remain similar to the lm393. 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 - + - + pin connections (top view) www.st.com
schematic diagram ts3702 2/11 1 schematic diagram figure 1. schematic diagram (for 1/2 ts3702) 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-
ts3702 absolute maximum rati ngs and operating conditions 3/11 2 absolute maximum ratings and operating conditions table 1. absolute maximum ratings symbol parameter value unit v cc + supply voltage (1) 1. all voltage values, except differential voltage, are with respect to network ground terminal. 18 v v id differential input voltage (2) 2. differential voltages are the non-inverting input termi nal with respect to the inverting input terminal. 18 v v i input voltage (3) 3. the magnitude of the input and the output voltages must never exceed the magnitude of the positive and negative supply voltages. 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) 4. guaranteed by design. 50 ma p d power dissipation (5) dip8 so8 tssop8 5. p d is calculated with t amb = +25c, t j = +150c and r thja = 100c/w for dip8 package r thja = 175c/w for so8 package r thja = 200c/w for tssop8 package 1250 710 625 mw t stg storage temperature range -65 to +150 c esd hbm: human body model (6) 6. human body model: a 100pf capacitor is charged to the specified voltage, then discharged through a 1.5k resistor between two pins of the device. this is done for all couples of connected pin combinations while the other pins are floating. 400 v mm: machine model (7) 7. machine model: a 200pf capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (int ernal resistor < 5 ). this is done for all couples of connected pin combinations whil e the other pins are floating. 50 v cdm: charged device model (8) 8. charged device model: all pins and the package are charged together to the specified voltage and then discharged directly to the ground through only one pin. th is is done for all pins. 1.5 kv table 2. operating conditions symbol parameter value unit v cc + supply voltage ts3702c, ts3702i 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
electrical characteristics ts3702 4/11 3 electrical characteristics table 3. 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 requ ired 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 include unavoidable i naccuracies of the industrial tests. 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 . 300 400 575 mv i cc supply current (each comparator) no load - outputs low t min t amb t max . 720 25 a t plh response time low to high v ic = 0v, f = 10khz, c l = 50pf, overdrive = 5mv ttl input 1.5 0.7 s t phl response time high to low v ic = 0v, f = 10khz, c l = 50pf, overdrive = 5mv ttl input 2.2 0.15 s
ts3702 electrical characteristics 5/11 table 4. 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 requ ired 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 include unavoidable i naccuracies of the industrial tests. 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 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 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 s t f fall time f = 10khz, c l = 50pf, overdrive 50mv 30 ns
package information ts3702 6/11 4 package information in order to meet environmental requirements, stmicroelectronics offers these devices in ecopack ? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an stmicroelectronics trademark. ecopack specifications are available at: www.st.com .
ts3702 package information 7/11 4.1 dip8 package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a3.3 0.130 a1 0.7 0.028 b 1.39 1.65 0.055 0.065 b1 0.91 1.04 0.036 0.041 b0.5 0.020 b1 0.38 0.5 0.015 0.020 d 9.8 0.386 e8.8 0.346 e 2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 f 7.1 0.280 i 4.8 0.189 l3.3 0.130 z 0.44 1.6 0.017 0.063
package information ts3702 8/11 4.2 so8 package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a 1.35 1.75 0.053 0.069 a1 0.10 0.25 0.04 0.010 a2 1.10 1.65 0.043 0.065 b 0.33 0.51 0.013 0.020 c 0.19 0.25 0.007 0.010 d 4.80 5.00 0.189 0.197 e 3.80 4.00 0.150 0.157 e 1.27 0.050 h 5.80 6.20 0.228 0.244 h 0.25 0.50 0.010 0.020 l 0.40 1.27 0.016 0.050 k 8 (max.) ddd 0.1 0.04
ts3702 package information 9/11 4.3 tssop8 package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a 1.2 0.047 a1 0.05 0.15 0.002 0.006 a2 0.80 1.00 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.008 d 2.90 3.00 3.10 0.114 0.118 0.122 e 6.20 6.40 6.60 0.244 0.252 0.260 e1 4.30 4.40 4.50 0.169 0.173 0.177 e 0.65 0.0256 k0808 l 0.45 0.60 0.75 0.018 0.024 0.030 l1 1 0.039
ordering information ts3702 10/11 5 ordering information 6 revision history table 5. order codes part number temperature range package packaging marking ts3702cn 0c, +70c dip8 tube ts3702cn ts3702cd/cdt so8 tube or tape & reel 3702c ts3702in -40c, +125c dip8 tube ts3702in ts3702id/idt so8 tube or tape & reel 3702i ts3702ipt tssop8 tape & reel 3702i ts3702mn -55c, +125c dip8 tube ts3702mn ts3702md/mdt so8 tube or tape & reel 3702m ts3702mpt tssop8 tape & reel 3702m date revision changes 2-jan-2003 1 first release. 2-may-2005 2 ppap references inserted in the datasheet, see section 5: ordering information on page 10 . 26-feb-2007 3 ppap references removed. esd data added to table 1 on page 3 . order codes added to table 5 on page 10 .
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