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february 2007 rev 3 1/11 11 ts3704 micropower quad cmos voltage comparators features push-pull cmos output (no external pull-up resistor required) extremely low supply current: 9 a typ per 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 current: 1pa typ input common-mode voltage range includes gnd high input impedance: 10 12 typ last response time: 2 s typ. for 5mv overdrive pin-to-pin and functionally compatible with bipolar lm339 description the ts3704 is a micropower cmos quad voltage comparator with extremely low consumption of 9 a typ / comparator (20 times less than bipolar lm339). 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 lm339. inverting input 2 output 2 non-inverting input 2 output 1 inverting input 1 non-inverting input 1 cc v - cc v 1 2 3 4 8 5 6 7 9 10 11 12 13 14 + output 3 output 4 non-inverting input 4 inverting input 4 non-inverting input 3 inverting input 3 - + - + - + - + n dip14 (plastic package) d so14 (plastic micropackage) p tssop14 (thin shrink small outline package) pin connections (top view) www.st.com
schematic diagram ts3704 2/11 1 schematic diagram figure 1. schematic diagram (for 1/4 ts3704) 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-
ts3704 absolute maximum ratings 3/11 2 absolute maximum ratings 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) dip14 so14 tssop14 5. pd is calculated with t amb = +25c, t j = +150c and r thja = 80c/w for dip14 package r thja = 150c/w for so14 package r thja = 175c/w for tssop14 package 1500 830 710 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. 500 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 ts3704c, ts3704i ts3704m 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 ts3704c ts3704i ts3704m 0 to +70 -40 to +125 -55 to +125 c
electrical characteristics ts3704 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 maximum 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 re jection 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 1.2 0.7 s t phl response time high to low v ic = 0v, f = 10khz, c l = 50pf, overdrive = 5mv ttl input 2 0.15 s
ts3704 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 (1) v ic = 2.5v, v cc + = 5v to 10v t min t amb t max 1. the specified offset voltage is the maximum 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 80 db svr supply voltage rejection ratio v cc + = +5v to +10v 92 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 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 1.2 1 0.9 0.8 0.7 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 1.5 0.9 0.7 0.15 s t f fall time f = 10khz, c l = 50pf, overdrive 50mv 30 ns
package information ts3704 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 .
ts3704 package information 7/11 4.1 dip14 package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a1 0.51 0.020 b 1.39 1.65 0.055 0.065 b0.5 0.020 b1 0.25 0.010 d200.787 e8.5 0.335 e 2.54 0.100 e3 15.24 0.600 f 7.1 0.280 i 5.1 0.201 l3.3 0.130 z 1.27 2.54 0.050 0.100
package information ts3704 8/11 4.2 so14 package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a1.750.068 a1 0.1 0.2 0.003 0.007 a2 1.65 0.064 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 c0.5 0.019 c1 45 (typ.) d 8.55 8.75 0.336 0.344 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 7.62 0.300 f 3.8 4.0 0.149 0.157 g 4.6 5.3 0.181 0.208 l 0.5 1.27 0.019 0.050 m0.680.026 s 8 (max.)
ts3704 package information 9/11 4.3 tssop14 package mechanical data figure 2. tssop14 package ref. dimensions millimeters inches min. typ. max. min. typ. max. a 1.2 0.047 a1 0.05 0.15 0.002 0.004 0.006 a2 0.8 1 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0089 d 4.9 5 5.1 0.193 0.197 0.201 e 6.2 6.4 6.6 0.244 0.252 0.260 e1 4.3 4.4 4.48 0.169 0.173 0.176 e 0.65 bsc 0.0256 bsc k0808 l 0.45 0.60 0.75 0.018 0.024 0.030 c e b a2 a e1 d 1 pin 1 identification a1 l k e
ordering information ts3704 10/11 5 ordering information 6 revision history table 5. order codes part number temperature range package packaging marking ts3704cn 0c, +70c dip14 tube ts3704cn ts3704cd/cdt so14 tube or tape & reel 3704c ts3704in -40c, +125c dip14 tube ts3704in ts3704id/idt so14 tube or tape & reel 3704i ts3704ipt tssop14 tape & reel 3704i ts3704mn -55c, +125c dip14 tube ts3704mn ts3704md/mdt so14 tube or tape & reel 3704m ts3704mpt tssop14 tape & reel 3704m date revision changes 1-oct- 2004 1 initial release. 1-aug-2005 2 1 - ppap references inserted in the datasheet. 2 - esd protection inserted in table 1 on page 3 . 26-feb-2007 3 ppap references removed. updated footnotes related to esd in table 1 on page 3 . added table 2 on page 3 . order codes added to table 5 on page 10 .
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