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this is information on a product in full production. january 2013 doc id 2469 rev 7 1/21 21 lm2902 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 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 operational amplifiers which employ internal frequency compensation and are specifically designed for automotive and industrial 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 from the power supply voltage magnitude. n dip14 (plastic package) d so-14 (plastic micropackage) p tssop14 (thin shrink small outline package) q4 qfn16 3x3 (plastic micropackage) www.st.com
contents lm2902 2/21 doc id 2469 rev 7 contents 1 schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 typical single-supply a pplications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6 ecopack ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6.1 dip14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6.2 so-14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6.3 tssop14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 6.4 qfn16 3 x 3 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7 ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 8 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
lm2902 schematic diagram doc id 2469 rev 7 3/21 1 schematic diagram figure 1. schematic diagram (1/4 lm2902) figure 2. pin connections (top view) 1. the exposed pads of the qfn16 3x3 c an be connected to vcc- or left floating. inverting input 2 non-inverting input 2 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-invertin g input 4 inverting input 4 non-invertin g input 3 inverting input 3 - + - + - + - + output 1 inverting input 1 output 2 1& 1& ,1 ,1 9&& 9&& ,1 ,1 ,1 ,1 9&& 9&& ,1 ,1 287 287 ,1 ,1 ,1 287 287 287 287 ,1 ,1 1&
absolute maximu m ratings lm2902 4/21 doc id 2469 rev 7 2 absolute maximum ratings table 1. absolute maximum ratings (amr) symbol parameter value unit v cc supply voltage (1) 16 to 33 v v id differential input voltage (2) +32 v in input voltage -0.3 to +32 output short-circuit duration (3) infinite s t j maximum junction temperature 150 c i in input current (4) : v in driven negative 5 in dc or 50 in ac (duty cycle = 10 %, t = 1 s) ma input current (5) : v in driven positive above amr value 0.4 t stg storage temperature range -65 to +150 c r thja thermal resistance junction to ambient (6) dip14 so-14 tssop14 qfn16 3x3 80 105 100 45 c/w r thjc thermal resistance junction to case (6) dip14 so-14 tssop14 qfn16 3x3 33 31 32 14 esd hbm: human body model (7) 370 v mm: machine model (8) 150 v cdm: charged device model (9) 1500 v 1. all voltage values, except differential voltage are with respect to network ground terminal. 2. differential voltages are the non-inverting input term inal with respect to the inverting input terminal. 3. short-circuit from the output to v cc + can cause excessive heating and eventual des truction. the maximum output current is approximately 20 ma, independent of the magnitude of v cc + . 4. this input current only exists when the voltage at any of t he input leads is driven negative. it is due to the collector-base junction of the input pnp transistor becoming forward-biased and thereby acting as input diode clamp. in addition to this diode action, there is npn parasitic action on the ic chip. this transistor action can cause the output voltages of the op- amps to go to the v cc voltage level (or to ground for a large overdrive) fo r the time during which an input is driven negative. this is not destructive and normal output is restored for input voltages above -0.3 v. 5. the junction base/substrate of the input pnp transistor polarized in reverse must be protected by a resistor in series with the inputs to limit the input current to 400 a max (r = (vin - 36 v)/400 a). 6. r thja/c are typical values. 7. human body model: a 100 pf capacitor 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 combinat ions while the other pins are floating. 8. machine model: a 200 pf capacitor is charged to the specif ied voltage, then discharged directly between two pins of the device with no external series re sistor (internal resistor < 5 ). this is done for all couples of connected pin combinations while the other pins are floating. 9. charged device model: all pins and the pac kage are charged together to the specifi ed voltage and then discharged directly to the ground through only one pin. this is done for all pins.
lm2902 operating conditions doc id 2469 rev 7 5/21 3 operating conditions 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 + - 1.5 v cc + -2 t oper operating free-air temperature range -40 to +125 c
electrical characteristics lm2902 6/21 doc id 2469 rev 7 4 electrical characteristics table 3. v cc + = 5v, v cc - = ground, v o = 1.4v, t amb = 25c (unless otherwise specified) symbol parameter min. typ. max. unit v io input offset voltage (1) t min t amb t max 27 9 mv v io / t input offset voltage drift 730v/c i io input offset current t min t amb t max 230 40 na di io input offset current drift 10 200 pa/c i ib input bias current (2) t min t amb t max 20 150 300 na a vd large signal voltage gain (v cc + = +15 v, r l = 2 k , v o = 1.4 v to 11.4 v) t min t amb t max 50 25 100 v/mv svr supply voltage rejection ratio (r s 10 k ) t min t amb t max 65 65 110 db i cc supply current, all amps, no load v cc + = +5 v v cc + = +30 v t min t amb t max v cc + = +5 v v cc + = +30 v 0.7 1.5 0.8 1.5 1.2 3 1.2 3 ma cmr common-mode reje ction ratio (r s 10 k ) t min t amb t max 70 60 80 db 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 v cc + = +15 v, v o = +0.2 v 10 12 20 50 ma a v oh high level output voltage (v cc + = +30 v) r l = 2 k t min t amb t max r l = 10 k t min t amb t max v cc + = +5 v, r l = 2 k t min t amb t max 26 26 27 27 3 3.5 27 28 v
lm2902 electrical characteristics doc id 2469 rev 7 7/21 v ol low level output voltage (r l = 10 k ) t min t amb t max 520 20 mv sr slew rate (v cc + = 15 v, v in = 0.5 to 3 v, r l = 2 k , c l = 100 pf, unity gain) 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 v o1 /v o2 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 l oading charge on the input lines. 3. due to the proximity of external components ensure stra y capacitance does not cause c oupling between these external parts. this typically can be detected as this ty pe of capacitance increases at higher frequencies. table 3. v cc + = 5v, v cc - = ground, v o = 1.4v, t amb = 25c (unless otherwise specified) (continued) symbol parameter min. typ. max. unit nv hz ----------- -
electrical characteristics lm2902 8/21 doc id 2469 rev 7 figure 3. input bias current vs. t amb figure 4. input voltage range figure 5. current limiting figure 6. supply current figure 7. gain bandwidth product figure 8. voltage follower pulse response input voltage (v) output voltage (v) 010203040 t i m e ( s ) rl 2 k vcc = +15v 4 3 2 1 0 3 2 1
lm2902 electrical characteristics doc id 2469 rev 7 9/21 figure 9. common mode rejection ratio figure 10. output characteristics (sink) 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 11. open-loop frequency response figure 12. voltage follower pulse response 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 13. large signal frequency response figure 14. 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
electrical characteristics lm2902 10/21 doc id 2469 rev 7 figure 15. input current figure 16. voltage gain 0102030 positive supply voltage (v) voltage gain (db) 160 120 80 40 l r = 20k l r=2k
lm2902 typical single-supply applications doc id 2469 rev 7 11/21 5 typical single-supply applications figure 19. ac coupled inverting amplifier figure 20. 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 r 3 100 k a=- r r1 v f ( as s hown 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 s hown a = 11) v a=1+ r2 r1 v r1 100 k r2 1 m c i r 3 1 m r4 100 k r5 100 k c2 10 f figure 21. non-inverting dc gain figure 22. 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 (a ss hown = 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 - e 3 - e4 where (e1 + e2) (e 3 + e4) to keep eo 0 v r 3 10 k 1/4 lm2902 e 1 e o r 8 100 k r7 100 k c 3 10 f v cc r5 470 k c2 33 0 pf r4 10 m r6 470 k r1 100 k c1 33 0 pf 1/4 lm2902 1/4 lm2902 fo = 1 khz q = 50 av = 100 (40 db) r 3 100 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 g a in a dj us t r4 100 k 1/4 lm2902 1/4 lm2902 if r1 = r5 a nd r 3 = r4 = r6 = r7 eo = [ 1 + ] (e2 - e1) a s s hown eo = 101 (e2 - e1) 2r1 r2
typical single-supply applications lm2902 12/21 doc id 2469 rev 7 figure 25. high input z, dc differential amplifier figure 26. low drift peak detector figure 27. using symmetrical amplifiers to reduce input current (general concept) 1/4 lm2902 r1 100 k r2 100 k r4 100 k r 3 100 k +v2 +v1 v o 1/4 lm2902 eo = [ 1 + ] (e2 - e1) a s s hown eo = (e2 - e1) r4 r 3 i b 2n 929 0.00 1 f i b 3 r 3 m i b inp u tc u rrent compen sa tion e o i b e i 1/4 lm2902 z o z i c 1 f 2i b r 1 m 2i b * polyc a r b on a te 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 a u x. a mplifier for inp u t c u rrent compen sa tion 1.5 m 1/4 lm2902
lm2902 ecopack ? doc id 2469 rev 7 13/21 6 ecopack ? 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.
ecopack ? lm2902 14/21 doc id 2469 rev 7 6.1 dip14 package information figure 28. dip14 package mechanical drawing table 4. dip14 package mechanical data ref. 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
lm2902 ecopack ? doc id 2469 rev 7 15/21 6.2 so-14 package information figure 29. so-14 package mechanical drawing table 5. so-14 package mechanical data dimensions ref. millimeters inches min. typ. max. min. typ. max. a 1.35 1.75 0.05 0.068 a1 0.10 0.25 0.004 0.009 a2 1.10 1.65 0.04 0.06 b 0.33 0.51 0.01 0.02 c 0.19 0.25 0.007 0.009 d 8.55 8.75 0.33 0.34 e 3.80 4.0 0.15 0.15 e1.27 0.05 h 5.80 6.20 0.22 0.24 h 0.25 0.50 0.009 0.02 l 0.40 1.27 0.015 0.05 k 8 (max.) ddd 0.10 0.004
ecopack ? lm2902 16/21 doc id 2469 rev 7 6.3 tssop14 package information figure 30. 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
lm2902 ecopack ? doc id 2469 rev 7 17/21 6.4 qfn16 3 x 3 package mechanical data figure 31. qfn16 3 x 3 mm package mechanical drawing *$06&%
ecopack ? lm2902 18/21 doc id 2469 rev 7 figure 32. qfn16 3 x 3 mm footprint re commendation table 7. qfn16 3 x 3 mm package mechanical data (pitch 0.5 mm) ref. dimensions millimeters inches min. typ. max. min. typ. max. a 0.80 0.90 1.00 0.031 0.035 0.039 a1 0 0.05 0 0.002 a3 0.20 0.008 b 0.18 0.30 0.007 0.012 d 2.90 3.00 3.10 0.114 0.118 0.122 d2 1.50 1.80 0.059 0.071 e 2.90 3.00 3.10 0.114 0.118 0.122 e2 1.50 1.80 0.059 0.071 e 0.50 0.020 l 0.30 0.50 0.012 0.020 *$06
lm2902 ordering information doc id 2469 rev 7 19/21 7 ordering information table 8. order codes order code temperature range package packing marking lm2902n -40c, +125c dip14 tube lm2902n lm2902d lm2902dt so-14 tube or tape & reel 2902 lm2902pt tssop14 tape & reel lm2902q4t qfn16 3x3 k5h lm2902ydt (1) so-14 (automotive grade level) 2902y LM2902YPT (1) tssop14 (automotive grade level) 1. qualified and characterized according to aec q100 and q003 or equivalen t, advanced screening according to aec q001 & q 002 or equivalent.
revision history lm2902 20/21 doc id 2469 rev 7 8 revision history table 9. document revision history date revision changes 30-nov-2001 1 initial release. 01-jul-2005 2 ppap references inserted in the datasheet, see table 8: order codes . esd protection inserted in table 1 on page 4 . 31-oct-2005 3 an error in the device description was corrected on page 1. ppap reference inserted in the datasheet see table 8: order codes . minor grammatical and formatting changes throughout. 18-jun-2007 4 values for thermal resistance junction to ambient and esd hbm corrected in table 1: absolute maximum ratings (amr) . values for thermal resistance junction to case added in table 1: absolute maximum ratings (amr) . table 2: operating conditions added. electrical characteristics figure captions updated. section 6: package information updated. table 8: order codes moved to end of document. 18-dec-2007 5 removed power dissipation parameter from amr table and added maximum junction temperature. updated footnotes for automotive grade order codes. updated format of package information. 16-feb-2012 6 added amr values for input current in ta ble 1 on page 4 . added qfn16 3 x 3 mm package information in chapter 7: ordering information . removed lm2902yd order code from ta ble 8 and changed status of LM2902YPT order code. 29-jan-2013 7 small text/layout changes in features and description . updated figure 2: pin connections (top view) . table 3: vcc+ = 5v, vcc- = ground, v o = 1.4v, tamb = 25c (unless otherwise specified) : dv io replaced by v io / t. replaced so-14 package silhouette, package mechanical drawing ( figure 29 ) and package mechanical data ( table 5 ).
lm2902 doc id 2469 rev 7 21/21 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by two authorized st representatives, st products are not recommended, authorized or warranted for use in military , air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2013 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 - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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