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this is information on a product in full production. july 2013 docid9922 rev 9 1/18 lm2902w low-power quad operational amplifier datasheet - production data features ? wide gain bandwidth: 1.3 mhz ? input common-mode voltage range includes negative rail ? large voltage gain: 100 db ? very low supply current per amplifier: 375 a ? low input bias current: 20 na ? low input offset current: 2 na ? esd internal protection: 800 v ? wide power supply range ? single supply: +3 v to +30 v ? dual supplies: 1.5 v to 15 v description this circuit consists of four independent, high- gain, internally frequency-compensated operational amplifiers designed especially for automotive and indust rial control systems. the device operates from a single power supply over a wide range of voltages. operation from split power supplies is al so possible and the low power supply current drain is independent of the magnitude of the power supply voltage. all the pins are protected against electrostatic discharges up to 800 v. n dip14 (plastic package) d so14 (plastic micropackage) p tssop14 (thin shrink small outline package) pin connections (top view) www.st.com
contents lm2902w 2/18 docid9922 rev 9 contents 1 absolute maximum ratings and operating c onditions . . . . . . . . . . . . . 3 2 circuit schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 typical single-supply a pplications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5 macromodel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6.1 dip14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6.2 so14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6.3 tssop14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7 ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 8 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
docid9922 rev 9 3/18 lm2902w absolute maximum rati ngs and operating conditions 18 1 absolute maximum ratings and operating conditions table 1. absolute maximum ratings symbol parameter value unit v cc supply voltage 16 to 32 v v id differential input voltage +32 v i input voltage -0.3 to v cc + + 0.3 output short-circuit to ground (1) 1. short-circuits from the output to v cc + can cause excessive heating and potential destruction. the maximum output current is approximately 20 ma, independent of the magnitude of v cc + infinite i in input current (2) 2. this input current only exists when the voltage at any of the input leads is driven negative. it is due to the collector-base junction of the input pnp transistor becoming forward bias ed and thereby acting as an input diode clamp. in addition to this diode action, there is also npn parasitic action on the ic chip. this transistor action can caus e the output voltages of the op-amps to go to the v cc voltage level (or to ground for a large overdrive) for the time during which an input is driven negative. th is is not destructive and normal output is restored for input voltages higher than -0.3 v. 50 ma t stg storage temperature range -65 to +150 c r thja thermal resistance junction to ambient (3) dip14 so14 tssop14 3. r thja/c are typical values. 80 105 100 c/w r thjc thermal resistance junction to case (3) dip14 so14 tssop14 33 31 32 esd hbm: human body model (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. 800 v mm: machine model (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. 100 cdm: charged device model (6) 6. charged device model: all pins and the package are charged together to the specified voltage and then discharged directly to the ground through onl y one pin. this is done for all pins. 1500 table 2. operating conditions symbol parameter value unit v cc supply voltage 3 to 30 v v icm common mode input voltage range t min t amb t max v cc - to v cc + - 1.5 v cc - to v cc + - 2 t oper operating free-air temperature range -40 to +125 c
circuit schematics lm2902w 4/18 docid9922 rev 9 2 circuit schematics figure 1. schematic diagram (1/4 lm2902w)
docid9922 rev 9 5/18 lm2902w electrical characteristics 18 3 electrical characteristics table 3. v cc + = 5 v, v cc - = ground, v o = 1.4 v, t amb = 25 c (unless otherwise stated) symbol parameter test conditions min. typ. max. unit v i o input offset voltage (1) lm2902w lm2902aw 27 2 mv t min t amb t max lm2902w t min t amb t max lm2902aw 9 4 v io / t input offset voltage drift 7 30 v/c i io input offset current t amb = +25 c 2 30 na t min t amb t max 40 di io input offset current drift 10 200 pa/c i ib input bias current (2) t amb = +25 c 20 150 na t min t amb t max 300 a vd large signal voltage gain v cc + = +15 v, r l = 2 k , v o = 1.4 v to 11.4 v, t amb = + 25 c 50 100 v/mv v cc + = +15 v, r l = 2 k , v o = 1.4 v to 11.4 v, t min t amb t max 25 svr supply voltage rejection ratio r s 10 k , t amb =+ 25 c 65 110 db r s 10 k , t min t amb t max 65 i cc supply current (all op-amps, no load) t amb = +25 c, v cc + = +5 v 0.7 1.2 ma t amb = +25 c, v cc + = +30 v 1.5 3 t min t amb t max , v cc + = +5 v 0.9 1.2 t min t amb t max, v cc + = +30 v 1.5 3 cmr common-mode rejection ratio r s 10 k , t amb = +25 c 70 80 db r s 10 k , t min t amb t max 60 i o output short-circuit current v id = +1 v, v cc + = +15 v, v o = +2 v 20 40 70 ma i sink output sink current v id = -1 v, v cc + = +15 v, v o = +2 v 10 20 v id = -1 v, v cc + = +15 v, v o = +0.2 v 12 50 a v oh high level output voltage v cc + = 30 v, r l = 2 k : t amb = +25 c t min t amb t max 26 26 27 v v cc + = 30 v, r l = 10 k : t amb = +25 c, t min t amb t max 27 27 28 v cc + = 5 v, r l = 2 k : t amb = +25 c t min t amb t max 3.5 3
electrical characteristics lm2902w 6/18 docid9922 rev 9 v ol low level output voltage r l = 10 k , t amb = +25 c 5 20 mv r l = 10 k , t min t amb t max 20 sr slew rate v cc + = 15 v, v in = 0.5 to 3 v, r l = 2 k , c l = 100 pf, unity gain t min < t op < t max 0.24 0.14 0.4 v/s gbp gain bandwidth product v cc + = 30 v, v in = 10 mv, r l = 2 k , c l = 100 pf 1.3 mhz thd total harmonic distortion f = 1 khz, a v = 20 db, r l = 2 k , v o = 2 v pp , c l = 100 pf, v cc += 30 v 0.015 % e n equivalent input noise voltage f = 1 khz, r s = 100 , v cc + = 30 v 40 nv/ hz v o1 /v o 2 channel separation (3) 1 khz f 20 khz 120 db 1. v o = 1.4 v, r s = 0 , 5 v < v cc + < 30 v, 0 v < v ic < v cc + - 1.5 v. 2. the direction of the input current is out of the ic. this cu rrent is essentially constant, independent of the state of the ou tput, so there is no change in the load on the input lines. 3. due to the proximity of external components, ensure that stray capacitance does not cause coupling between these external parts. typically, this can be detected as this type of capac itance increases at higher frequencies. table 3. v cc + = 5 v, v cc - = ground, v o = 1.4 v, t amb = 25 c (unless otherwise stated) (continued) symbol parameter test conditions min. typ. max. unit
docid9922 rev 9 7/18 lm2902w electrical characteristics 18 figure 2. input bias current vs. t amb figure 3. input voltage range figure 4. current limiti ng figure 5. supply current figure 6. gain bandwidth product figure 7. voltage follower pulse response (v cc = 15 v) input voltage (v) output voltage (v) volage follower pulse response 010203040 t i m e ( s ) rl 2 k vcc = +15v 4 3 2 1 0 3 2 1
electrical characteristics lm2902w 8/18 docid9922 rev 9 figure 8. common-mode rejection ratio figure 9. output characteristics (sink) common mode rejection ratio frequency (hz) 120 100 80 60 40 20 0 100 1k 10k 100k 1m common mode rejection ratio (db) 100 100k +7.5v - + e i 100k 100 +7.5v e o figure 10. open-loop frequency response figure 11. voltage follower pulse response (v cc = 30 v) voltage gain (db) 1.0 10 100 1k 10k 100k 1m 10m v cc = +10 to + 15v & frequency (hz) 10m v i v cc /2 v cc = 30v & 0.1 f v cc v o - + -55c t amb +125c 140 120 100 80 60 40 20 0 -55c t amb +125c output voltage (mv) 012345678 input t amb =+25c v cc =30v output e o e l 50pf + - time ( s) 500 450 400 350 300 250 figure 12. large signal frequency response figure 13. output characteristics (source) frequency (hz) 1k 10k 100k 1m output swing (vpp) +7v 2k 1k 100k +15v vo - + v i 20 15 10 5 0
docid9922 rev 9 9/18 lm2902w electrical characteristics 18 figure 14. input current figure 15. voltage gain 0102030 positive supply voltage (v) voltage gain (db) 160 120 80 40 l r = 20k l r=2k
typical single-supply applications lm2902w 10/18 docid9922 rev 9 4 typical single-supply applications figure 18. ac coupled inverting amplifier fi gure 19. ac coupled non-inverting amplifier 1/4 lm2902 ~ 0 2v pp r 10 k l c o e o r 6.2 k b r 100 k f r1 10 k c i e i v cc r2 100 k c1 10 f r3 100 k a=- r r1 v f (as shown a = -10) v 1/4 lm2902 ~ 0 2 v pp r 10 k l c o e o r 6.2 k b c1 0.1 f e i v cc (as shown a = 11) v a=1+ r2 r1 v r1 100 k r2 1 m c i r3 1 m r4 100 k r5 100 k c2 10 f figure 20. non-invert ing dc gain figure 21. dc summing amplifier r1 10 k r2 1 m 1/4 lm2902 10 k e i e o +5 v e o (v) (mv) 0 a v =1+ r2 r1 (as shown = 101) a v 1/4 lm2902 e o e 4 e 3 e 2 e 1 100 k 100 k 100 k 100 k 100 k 100 k eo = e1 + e2 - e3 - e4 where (e1 + e2) (e3 + e4) to keep eo 0 v r3 10 k 1/4 lm2902 e 1 e o r8 100 k r7 100 k c3 10 f v cc r5 470 k c2 330 pf r4 10 m r6 470 k r1 100 k c1 330 pf 1/4 lm2902 1/4 lm2902 fo = 1 khz q = 50 av = 100 (40 db) r3 100 k e o r1 100 k e 1 1/4 lm2902 r7 100 k r6 100 k r5 100 k e 2 r2 2 k gain adjust r4 100 k 1/4 lm2902 1/4 lm2902 if r1 = r5 and r3 = r4 = r6 = r7 eo = [ 1 + ] (e2 - e1) as shown eo = 101 (e2 - e1) 2r1 r2
docid9922 rev 9 11/18 lm2902w typical single-supply applications 18 figure 24. high input z, dc differential amplifier figure 25. low drift peak detector figure 26. using symmetr ical amplifiers to reduce input current (general concept) 1/4 lm2902 r1 100 k r2 100 k r4 100 k r3 100 k +v2 +v1 v o 1/4 lm2902 eo = [ 1 + ] (e2 - e1) as shown eo = (e2 - e1) r4 r3 i b 2n 929 0.00 1 f i b 3r 3 m i b input current compensation e o i b e i 1/4 lm2902 z o z i c 1 f 2i b r 1 m 2i b * polycarbonate or polyethylene * 1/4 lm2902 1/4 lm2902 1/4 lm2902 i b 2n 929 0.001 f i b 3 m i b e o i i e i i b i b aux. amplifier for input current compensation 1.5 m 1/4 lm2902
macromodel lm2902w 12/18 docid9922 rev 9 5 macromodel an accurate macromodel of the lm2902w is available on stmicroelectronics? web site at www.st.com . this model is a trade-off between accuracy and complexity (that is, time simulation) of the lm2902w operational amplifie rs. it emulates the nominal performances of a typical device within the specif ied operating conditions mentioned in the datasheet. it also helps to validate a design approach and to select the right operational amplifier, but it does not replace on-board measurements .
docid9922 rev 9 13/18 lm2902w package information 18 6 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 a nd product status are available at: www.st.com . ecopack ? is an st trademark. 6.1 dip14 package information figure 27. dip14 package mechanical drawing table 4. 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 lm2902w 14/18 docid9922 rev 9 6.2 so14 package information figure 28. so14 package mechanical drawing table 5. 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.)
docid9922 rev 9 15/18 lm2902w package information 18 6.3 tssop14 package information figure 29. tssop14 package mechanical drawing table 6. tssop14 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 0.004 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 80 8 l1 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 lm2902w 16/18 docid9922 rev 9 7 ordering information table 7. order codes order code temperature range package packing marking lm2902wydt (1) 1. qualification and characterization according to aec q100 and q003 or equi valent, advanced screening according to aec q001 & q 002 or equivalent. -40 c to +125 c so14 (automotive grade level) tape and reel 2902wy lm2902awydt (1) so14 (automotive grade level) 2902awy lm2902wpt tssop14 2902w lm2902wypt (1) tssop14 (automotive grade level) 2902wy lm2902awypt (1) tssop14 (automotive grade level) 2902awy
docid9922 rev 9 17/18 lm2902w revision history 18 8 revision history table 8. document revision history date revision changes 01-sep-2003 1 initial release. 01-nov-2005 2 table data reformatted for easier use in electrical characteristics on page 5 . minor grammatical and formatting changes throughout. 01-jan-2006 3 lm2902wypt ppap reference inserted in order codes table, see section 7 on page 16 . 01-may-2006 4 minimum value of slew rate at 25c and on full temperature range added in table 3 on page 5 . 20-jul-2007 5 corrected document title to ?quad operational amplifier?. corrected esd value for hbm to 800v. corrected thermal resistance junction to ambient values in table 1: absolute maxi mum ratings . updated electrical characteristics curves. added section 5: macromodel . added automotive grade order codes in section 7 on page 16 . 15-jan-2008 6 corrected footnotes for automotive grade order codes. 17-oct-2008 7 added enhanced vio version: lm2902aw. corrected v oh min parameter at v cc =5v in table 3 on page 5 . 16-feb-2012 8 modified chapter 5: macromodel . deleted lm2902wyd and lm2902awyd order codes from table 7 and modified status of lm2902wypt and lm2902awypt order codes. 22-jul-2013 9 table 3 : dv io replaced with v io / t table 7 : removed the order codes lm2902wn and lm2902wd; replaced the order codes LM2902WDT and lm2902awdt with lm2902wydt and lm2902awydt respectively.
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