rev 2 august 2005 1/9 9 ts3704 micropower quad cmos voltage comparators push-pull cmos output (no external pull-up resistor required) extremely low supply current: 9 a typ/comp. 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. pin connection (top view) order codes n dip14 (plastic package) d so14 (plastic micropackage) p tssop14 (thin shrink small outline package) 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 - + - + - + - + part number temperature range package packaging marking ts3704cn 0c, +70c dip14 tube ts3704cn ts3704cd/cdt so-14 tube or tape & reel 3704c ts3704in -40c, +125c dip14 tube ts3704in ts3704id/idt so-14 tube or tape & reel 3704i ts3704ipt tssop14 (thin shrink outline package) tape & reel 3704i ts3704iyd so-14 (automotive grade level) tube or tape & reel 3704iy TS3704IYDT 3704y www.st.com
absolute maximum ratings ts3704 2/9 1 absolute maximum ratings table 1. key parameters and their 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 terminal 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, 100pf discharged through a 1.5k ? resistor into pin of device. 500 v mm: machine model (7) 7. machine model esd, a 200pf cap is charged to the specified voltage, then discharged directly into the ic with no external series resistor (internal resistor < 5 ? ), into pin to pin of device. 50 v cdm: charged device model 1.5 kv
ts3704 typical application schematics 3/9 2 typical application schematics 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-
electrical characteristics ts3704 4/9 3 electrical characteristics table 2. 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 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. 300 400 575 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 5/9 table 3. 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 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. 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 mechanical data ts3704 6/9 4 package mechanical data in order to meet environmental requirements, st 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 st trademark. ecopack specifications are available at: www.st.com . 4.1 dip14 package dim. mm. inch min. typ max. min. typ. max. a1 0.51 0.020 b 1.39 1.65 0.055 0.065 b 0.5 0.020 b1 0.25 0.010 d 20 0.787 e 8.5 0.335 e 2.54 0.100 e3 15.24 0.600 f 7.1 0.280 i 5.1 0.201 l 3.3 0.130 z 1.27 2.54 0.050 0.100 plastic dip-14 mechanical data p001a
ts3704 package mechanical data 7/9 4.2 so-14 package dim. mm. inch min. typ max. min. typ. max. a 1.75 0.068 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 c 0.5 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 m 0.68 0.026 s? (max.) so-14 mechanical data po13g 8
package mechanical data ts3704 8/9 4.3 tssop14 package dim. mm. inch 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 k0? 8?0? 8? l 0.45 0.60 0.75 0.018 0.024 0.030 tssop14 mechanical data c e b a2 a e1 d 1 pin 1 identification a1 l k e 0080337d
ts3704 revision history 9/9 5 revision history date revision changes oct. 2004 1 initial release. aug. 2005 2 1 - ppap references inserted in the datasheet see : order codes on page 1 . 2 - esd protection inserted in table 1. on page 2 . information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the co nsequences 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 p ublication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectron ics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicr oelectronics. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners ? 2005 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com
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