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march 2010 doc id 17272 rev 1 1/15 15 TS331 micropower low-voltage rail-to-rail comparator features supply operation from 1.6 to 5 v low current consumption: 20 a rail-to-rail inputs wide temperature range: -40c to +125c low output saturation voltage low propagation delay: 210 ns open-drain output esd tolerance: 2 kv hbm/200 v mm smd packages: sc70-5 and sot23-5 applications mobile phones notebooks and pdas battery supplied electronics general-purpose portable devices general-purpose low voltage applications description the TS331 is a single micropower and low-voltage comparator. it can operate with a supply voltage ranging from 1.6 to 5 v with only 20 a current consumption. in addition, rail-to-rail inputs make it a perfect choice for low-voltage applications. sot23-5 and sc70-5 pack age availability is a real advantage for space saving constraints. the sc70-5 is approximately half the size of the sot23-5. the TS331 is specified for a wide temperature range of -40c to +125c, making it ideal for a wide range of applications. pin connections (top view) TS331 sot23-5/sc70-5 5 4out vcc - 1 2 in + vcc + 3 in - + - www.st.com
absolute maximum ratings and operating conditions TS331 2/15 doc id 17272 rev 1 1 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 differ ential voltage, are referenced to v cc -. 5.5 v v id differential input voltage (2) 2. the magnitude of input and output voltages must never exceed the supply rail 0.3 v. 5.5 v v in input voltage range (v cc -) -0.3 to (v cc +) + 0.3 v r thja thermal resistance junction to ambient (3) sc70-5 sot23-5 3. short-circuits can c ause excessive heating. t hese values are typical. 205 250 c/w r thjc thermal resistance junction to case (3) sc70-5 sot23-5 172 81 c/w t stg storage temperature -65 to +150 c t j junction temperature 150 c t lead lead temperature (soldering 10 seconds) 260 c esd human body model (hbm) (4) 4. human body model: a 100 pf capacit or is charged to the specified voltage, then discharged through a 1.5 k resistor between two pins of the device. this is done for all couples of connected pin combinations while the other pins are floating. 2000 v machine model (mm) (5) 5. machine model: a 200 pf capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 ). this is done for all couples of connected pin combinations whil e the other pins are floating. 200 charged device model (cdm) (6) 6. charged device model: all pins and package are ch arged together to the specified voltage and then discharged directly to gr ound through only one pin. this is done for all pins. 1500 latch-up immunity 200 ma table 2. operating conditions symbol parameter value unit t oper operating temperature range -40 to +125 c v cc supply voltage (v cc +) - (v cc -) -40c < t amb < +125c 1.6 to 5.0 v v icm common mode input voltage range t amb = +25c -40c < t amb < +125c (v cc -) -0.2 to (v cc +)+0.2 (v cc -) to (v cc +) v
TS331 electrical characteristics doc id 17272 rev 1 3/15 2 electrical characteristics table 3. v cc +=+1.8v, v cc -=0v, t amb = +25c (unless otherwise specified) (1) symbol parameter test cond itions min. typ. max. unit v io input offset voltage v icm =0v -40c < t amb < +125c 0.5 5 6 mv v io input offset voltage drift -40c < t amb < +125c 4.5 v/c i ib input bias current (2) -40c < t amb < +125c 25 40 100 na i io input offset current (2) -40c < t amb < +125c 110 100 na i cc supply current no load, output low, v icm =0v -40c < t amb < +125c no load, output high, v icm =0v -40c < t amb < +125c 20 22 26 30 29 33 a i oh output current leakage v out =v cc + -40c < t amb < +125c 110 500 na v ol output voltage low i sink = 1 ma -40c < t amb < +125c 24 30 50 mv i sink output sink current v out = 1.5 v -40c < t amb < +125c 20 15 22 ma cmrr common mode rejection ratio 0 < v icm < 1.8 v 50 68 db tp hl propagation delay (3) high to low output level v icm =0v, r l = 5.1 k , c l = 50 pf overdrive = 10 mv overdrive = 100 mv 300 210 310 ns tp lh propagation delay (4) low to high output level v icm = 0 v, r l = 5.1 k , c l = 50 pf overdrive = 10 mv overdrive = 100 mv 540 420 620 ns 1. all values over the temperature r ange are guaranteed through correlation and simu lation. no production tests have been performed at the tem perature range limits. 2. maximum values include unavoidable ina ccuracies of the industrial tests. 3. tp hl is measured when the output signal crosses a voltage level at 50% of vcc with the following conditions: inverting input voltage (in-) = vicm and non-inverting input voltage (i n+) moving from vicm + 100 mv to vicm - overdrive. 4. tp lh is measured when the output signal crosses a voltage level at 50% of vcc with the following conditions: inverting input voltage (in-) = vicm and non-inverting input voltage (i n+) moving from vicm - 100 mv to vicm + overdrive.
electrical characteristics TS331 4/15 doc id 17272 rev 1 table 4. v cc +=+2.7v, v cc -=0v, t amb = +25c (unless otherwise specified) (1) symbol parameter test cond itions min. typ. max. unit v io input offset voltage v icm =0v -40c < t amb < +125c 0.5 5 6 mv v io input offset voltage drift -40c < t amb < +125c 3.3 v/c i ib input bias current (2) -40c < t amb < +125c 25 40 100 na i io input offset current (2) -40c < t amb < +125c 110 100 na i cc supply current no load, output low, v icm = 0 v -40c < t amb < +125c no load, output high, v icm =0v -40c < t amb < +125c 21 23 27 31 30 34 a i oh output current leakage v out =v cc + -40c < t amb < +125c 110 500 na v ol output voltage low i sink = 1 ma -40c < t amb < +125c 17 30 50 mv i sink output sink current v out = 1.5 v -40c < t amb < +125c 40 30 47 ma cmrr common mode rejection ratio 0 < v icm < 2.7 v -40c < t amb < +125c 54 53 74 db tp hl propagation delay (3) high to low output level v icm =0v, r l =5.1k , c l =50pf overdrive = 10 mv overdrive = 100 mv 320 220 320 ns tp lh propagation delay (4) low to high output level v icm = 0 v, r l = 5.1 k , c l = 50 pf overdrive = 10 mv overdrive = 100 mv 550 420 640 ns 1. all values over the temperature r ange are guaranteed through correlation and simu lation. no production tests have been performed at the tem perature range limits. 2. maximum values include unavoidable ina ccuracies of the industrial tests. 3. tp hl is measured when the output signal crosses a voltage level at 50% of vcc with the fo llowing conditions: inverting input voltage (in-) = vicm and non-inverting input voltag e (in+) moving from vicm + 100 mv to vicm - overdrive. 4. tp lh is measured when the output signal crosses a voltage level at 50% of vcc with the fo llowing conditions: inverting input voltage (in-) = vicm and non-inverting input voltag e (in+) moving from vicm - 10 0 mv to vicm + overdrive.
TS331 electrical characteristics doc id 17272 rev 1 5/15 table 5. v cc + = +5 v, v cc - = 0 v, t amb = +25c (unless otherwise specified) (1) symbol parameter test cond itions min. typ. max. unit v io input offset voltage v icm = 0 v -40c < t amb < +125c 0.5 5 6 mv v io input offset voltage drift -40c < t amb < +125c 1.3 v/c i ib input bias current (2) -40c < t amb < +125c 30 40 100 na i io input offset current (2) -40c < t amb < +125c 110 100 na i cc supply current no load, output low, v icm = 0 v -40c < t amb < +125c no load, output high, v icm = 0 v -40c < t amb < +125c 23 26 30 34 34 38 a i oh output current leakage v out = v cc + -40c < t amb < +125c 110 600 na v ol output voltage low i sink = 4 ma -40c < t amb < +125c 48 60 80 mv i sink output sink current v out = 1.5 v -40c < t amb < +125c 82 68 93 ma a v voltage gain 40 100 v/mv cmrr common mode rejection ratio 0 < v icm < 5 v -40c < t amb < +125c 60 58 79 db svr supply voltage rejection v cc = 1.8 to 5 v -40c < t amb < +125c 56 56 75 db tp hl propagation delay (3) high to low output level v icm = 0 v, r l = 5.1 k , c l = 50 pf overdrive = 10 mv overdrive = 100 mv 380 270 430 ns tp lh propagation delay (4) low to high output level v icm = 0 v, r l = 5.1 k , c l = 50 pf overdrive = 10 mv overdrive = 100 mv 570 450 720 ns 1. all values over the temperature r ange are guaranteed through correlation and simu lation. no production tests have been performed at the tem perature range limits. 2. maximum values include unavoidable ina ccuracies of the industrial tests. 3. tp hl is measured when the output signal crosses a voltage level at 50% of vcc with the fo llowing conditions: inverting input voltage (in-) = vicm and non-inverting input voltag e (in+) moving from vicm + 100 mv to vicm - overdrive. 4. tp lh is measured when the output signal crosses a voltage level at 50% of vcc with the fo llowing conditions: inverting input voltage (in-) = vicm and non-inverting input voltag e (in+) moving from vicm - 10 0 mv to vicm + overdrive.
electrical characteristics TS331 6/15 doc id 17272 rev 1 figure 1. supply current versus supply voltage with output high, v icm = 0 v figure 2. supply current versus supply voltage with output high, v icm = v cc figure 3. supply current versus supply voltage with output low, v icm = 0 v figure 4. supply current versus supply voltage with output low, v icm = v cc figure 5. supply current versus temperature f igure 6. input bias current versus input common-mode voltage
TS331 electrical characteristics doc id 17272 rev 1 7/15 figure 7. input current versus differential input voltage figure 8. input offset voltage versus temperature figure 9. output voltage versus output sink current, v cc = 1.8 v figure 10. output voltage versus output sink current, v cc = 2.7 v figure 11. output voltage versus output sink current, v cc = 5 v figure 12. output sink current versus output voltage
electrical characteristics TS331 8/15 doc id 17272 rev 1 figure 13. output voltage versus temperature figure 14. propagation delay versus overdrive with negative transition, v cc = 1.8 v figure 15. propagation delay versus overdrive with positive transition, v cc = 1.8 v figure 16. propagation delay versus common mode voltage, v cc = 1.8 v figure 17. propagation delay versus overdrive with negative transition, v cc = 2.7 v figure 18. propagation delay versus overdrive with positive transition, v cc = 2.7 v
TS331 electrical characteristics doc id 17272 rev 1 9/15 figure 19. propagation delay versus common mode voltage, v cc = 2.7 v figure 20. propagation delay versus overdrive with negative transition, v cc = 5 v figure 21. propagation delay versus overdrive with positive transition, v cc = 5 v figure 22. propagation delay versus common mode voltage, v cc = 5 v figure 23. propagation delay versus time with negative transition figure 24. propagation delay versus time with positive transition
package information TS331 10/15 doc id 17272 rev 1 3 package information in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark.
TS331 package information doc id 17272 rev 1 11/15 3.1 sot23-5 package figure 25. sot23-5 package mechanical drawing table 6. sot23-5 package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a 0.90 1.20 1.45 0.035 0.047 0.057 a1 0.15 0.006 a2 0.90 1.05 1.30 0.035 0.041 0.051 b 0.35 0.40 0.50 0.013 0.015 0.019 c 0.09 0.15 0.20 0.003 0.006 0.008 d 2.80 2.90 3.00 0.110 0.114 0.118 d1 1.90 0.075 e 0.95 0.037 e 2.60 2.80 3.00 0.102 0.110 0.118 f 1.50 1.60 1.75 0.059 0.063 0.069 l 0.10 0.35 0.60 0.004 0.013 0.023 k 0 degrees 10 degrees
package information TS331 12/15 doc id 17272 rev 1 3.2 sc70-5 (sot323-5) package figure 26. sc70-5 (sot323-5) package mechanical drawing table 7. sc70-5 (or sot323-5) package mechanical data ref dimensions millimeters inches min typ max min typ max a 0.80 1.10 0.315 0.043 a1 0.10 0.004 a2 0.80 0.90 1.00 0.315 0.035 0.039 b 0.15 0.30 0.006 0.012 c 0.10 0.22 0.004 0.009 d 1.80 2.00 2.20 0.071 0.079 0.087 e 1.80 2.10 2.40 0.071 0.083 0.094 e1 1.15 1.25 1.35 0.045 0.049 0.053 e 0.65 0.025 e1 1.30 0.051 l 0.26 0.36 0.46 0.010 0.014 0.018 <0 8 s eating plane gauge plane dimen s ion s in mm s ide view top view coplanar lead s
TS331 ordering information doc id 17272 rev 1 13/15 4 ordering information table 8. order codes part number temperature range package packaging marking TS331ilt -40c, +125c sot23-5 tape & reel k506 TS331ict sc70-5 tape & reel k55
revision history TS331 14/15 doc id 17272 rev 1 5 revision history table 9. document revision history date revision changes 29-mar-2010 1 initial release.
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