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july 2007 rev 5 1/11 11 lm2904wh low power dual operational amplifier features internally frequency-compensated large dc voltage gain: 100db wide bandwidth (unity gain: 1.1mhz temperature-compensated) very low supply current per operator (500a) low input bias current: 20na (temperature- compensated) low input offset current: 2na input common-mode voltage range includes ground differential input voltag e range equal to the power supply voltage large output voltage swing 0v to v cc -1.5v internal esd protection: ? 2kv hbm ? 200v mm description this circuit consists of two independent, high- gain, internally frequency-compensated operational amplifiers, designed specif ically for automotive and industrial control systems. it operates from a single power supply over a wide range of voltages. the low power supply drain is independent of the magnitude of the power supply voltage. application areas include transducer amplifiers, dc gain blocks and all the conventional op-amp circuits which now can be more easily implemented in single power supply systems. for example, these circuits can be directly supplied from standard +5v which is used in logic systems and will easily provide the required interface electronics without requiring any additional power supply. in linear mode, the input common-mode voltage range includes ground and the output voltage can also swing to ground, even though operated from a single power supply. d so-8 (plastic micropackage) wafer form www.st.com
schematic diagram lm2904wh 2/11 1 schematic diagram figure 1. schematic diagram (1/2 lm2904wh) figure 2. pad locations out 1 out 2 vcc + e- (1) e+ (1) e- (2) gnd e+ (2) year die id. x y 102 102 55 55 out2 102 102 70 480 vcc + 102 102 55 910 out1 102 102 620 1010 e-1 102 102 1030 940 e+1 102 102 1040 480 gnd pad dimensions pad placement name 102 102 1030 -30 e+2 102 102 620 -30 e-2 y x y x 102 102 55 55 out2 102 102 70 480 vcc + 102 102 55 910 out1 102 102 620 1010 e-1 102 102 1030 940 e+1 102 102 1040 480 gnd pad dimensions pad placement name 102 102 1030 -30 e+2 102 102 620 -30 e-2 y x y x the origin coordinate is at the bottom left part of the out2 pin. all dimensions are specified in micrometers (m).
lm2904wh absolute maximum ratings 3/11 2 absolute maximum ratings table 1. absolute maximum ratings symbol parameter value unit v cc + supply voltage +32 v v id differential input voltage -0.3 to v cc +0.3 v v i input voltage -0.3 to v cc +0.3 v output short-circuit to ground (1) 1. short-circuits from the output to v cc can cause excessive heating if v cc + > 15v. the maximum output current is approximately 40ma, independent of the magnitude of v cc . destructive dissipation can result from simultaneous short-circ uits on all amplifiers. 40 ma p d power dissipation at t amb =+25c (2) 2. p d is calculated with t amb = +25c, t junction = +150c and r thja = 125c/w for the so-8 package. 1w i in input current (3) 3. this input current only exists when the voltage values applied on the inputs is beyond the supply voltage line limits. this is not des tructive if the current does not exceed 5m a as indicated, and normal output will be restored for input voltages above -0.3v. 5ma t stg storage temperature range -65 to +150 c esd hbm: human body model (4) 4. human body model: 100pf discharged through a 1.5k resistor between two pins of the device, done for all couples of pin combinations with other pins floating. 2kv mm: machine model (5) 5. machine model: a 200pf cap is charged to the specif ied voltage, then discharged directly between two pins of the device with no external seri es resistor (inter nal resistor < 5 ), done for all couples of pin combinations with other pins floating. 200 v cdm: charged device model (6) 6. charged device model: all pins plus package ar e charged together to the specified voltage and then discharged directly to the ground. 1.5 kv table 2. operating conditions symbol parameter value unit v cc + supply voltage 3 to 30 v t oper operating free-air temperature range -40 to +150 c
electrical characteristics lm2904wh 4/11 3 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 i io input offset current t min t amb t max 230 40 na i ib input bias current (2) t min t amb t max 20 150 200 na a vd large signal voltage gain v cc + = +15v,r l =2k , v o = 1.4v to 11.4v t min t amb t max 50 2.5 100 v/mv svr supply voltage rejection ratio v cc + = +5 to +30v, r s 10k t min t amb t max 65 65 100 db i cc supply current, all amps, no load t amb = 25c, v cc + = +5v t min t amb t max , v cc = +30v 0.7 1.2 2 ma v icm input common mode voltage range (v cc + =+30v) (3) t min t amb t max 0 0 v cc + -1.5 v cc + -2 v cmr common-mode rejection ratio (r s = 10k ) t min t amb t max 70 60 85 db i source output short-circuit current v cc + = +15v, v o = +2v, v id = +1v t min t amb t max 20 10 40 60 ma i sink output sink current v o = 2v, v cc + = +5v t min t amb t max v o = +0.2v, v cc + = +15v t min t amb t max 10 5 12 10 20 50 ma a v opp output voltage swing (r l = 2k ) t min t amb t max 0 0 v cc + -1.5 v cc + -2 v v oh high level output voltage (v cc + = + 30v) t amb = +25c, r l = 2k t min t amb t max. t amb = +25c, r l = 10k t min t amb t max 26 26 27 27 27 28 v v ol low level output voltage (r l = 10k ) t min t amb t max 520 20 mv
lm2904wh electrical characteristics 5/11 sr slew rate (unity gain) v cc + = 15v, vi = 0.5 to 3v, r l = 2k , c l = 100pf, t min t amb t max 0.3 0.2 0.6 v/s gbp gain bandwidth product f = 100khz v cc + = 30v, v in = 10mv, r l = 2k , c l = 100pf t min t amb t max 0.7 0.45 1.1 mhz thd total harmonic distortion f = 1khz, a v = 20db, r l = 2k , v o = 2v pp , c l = 100pf, v cc = 30v 0.02 % e n equivalent input noise voltage f=1khz, r s =100 , v cc = 30v 55 nv/ hz dv io input offset voltage drift 7 30 v/c di io input offset current drift 10 300 pa/c v o1 /v o2 channel separation (4) 1khz f 20khz 120 db 1. v o = 1.4v, r s = 0 , 5v < v cc + < 30v, 0v < v ic < v cc + - 1.5v. 2. the direction of the input current is out of the ic. this current is essentiall y constant, independent of the state of the output, so there is no change in the loading charge on the input lines. 3. the input common-mode voltage of either input si gnal voltage should not be allowed to go negative by more than 0.3v. the upper end of the common-mode voltage range is v cc + ?1.5v, but either or both inputs can go to +32v without damage. 4. due to the proximity of external components, ensure that stray capacit ancedoes not cause coupling between these external parts. typically , this can be detected because this type 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
electrical characteristics lm2904wh 6/11 figure 3. open loop frequency response figure 4. large signal frequency response 10 0 10 1 10 2 10 3 10 4 10 5 10 6 0 20 40 60 80 100 120 t ambient =+150c t ambient =+125c t ambient =+25c gain (db) frequency (hz) frequency (hz) 1k 10k 100k 1m output swing (vpp) +7v 2k 1k 100k +15v vo - + v i 20 15 10 5 0 figure 5. voltage follower pulse response figure 6. input bias current 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 10 20 30 0 10 20 30 40 50 t ambient =-40c t ambient =+25c t ambient =+125c t ambient =+150c input bias current (na) supply voltage (v) figure 7. supply current figure 8. output characteristics 0 102030 0.0 0.5 1.0 1.5 t ambient =+150c t ambient =+125c t ambient =+25c t ambient =-40c supply current (ma) supply voltage (v)
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lm2904wh electrical characteristics 7/11 figure 9. output characteristics figure 10. current limiting output sink current ( a) 0,001 0,01 0,1 1 10 100 output voltage (v) vcc = +5v vcc = +15v vcc = +30v - i o v o t amb =+25c v cc /2 v cc + 10 1 0.1 0.01 " ( / ' 0 * + , & - . % (&& (.& (& & %& -& ,& *&& %& figure 11. voltage follower pulse response figure 12. input voltage range
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package information lm2904wh 8/11 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 . figure 15. power supply rejection ratio versus temperature figure 16. common mode rejection ratio versus temperature (&&(.&(&&%&-&,&*&&%& / ' 1 5> ; & & 0& 0 *& * +& + ,& , (&&(.&(&&%&-&,&*&&%& / ' ///
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lm2904wh package information 9/11 figure 17. so-8 package mechanical data ref. dimensions millimeters inches min. typ. max. min. typ. max. a1.750.069 a1 0.10 0.25 0.004 0.010 a2 1.25 0.049 b 0.28 0.48 0.011 0.019 c 0.17 0.23 0.007 0.010 d 4.80 4.90 5.00 0.189 0.193 0.197 h 5.80 6.00 6.20 0.228 0.236 0.244 e1 3.80 3.90 4.00 0.150 0.154 0.157 e 1.27 0.050 h 0.25 0.50 0.010 0.020 l 0.40 1.27 0.016 0.050 k1818 ccc 0.10 0.004
ordering information lm2904wh 10/11 5 ordering information 6 revision history table 4. order codes part number temperature range package packing marking jlm2904wh-cd1 -40c, +150c wafer lm2904whd lm2904whdt so-8 tube or tape & reel 2904wh LM2904WHYD LM2904WHYDt (1) so-8 (automotive grade level) tube or tape & reel 2904wy 1. qualified and characterized accordi ng to aec q100 and q003 or equivalent, adv anced screening according to aec q001 & q 002 or equivalent. date revision changes 1-sep-2003 1 initial release. 1-jul-2005 2 ppap references inserted in the datasheet, see section 5: ordering information . 1-oct-2005 3 correction of error in a vd min. value in ta b l e 3 . minor grammatical and formatting changes throughout. 27-sep- 2006 4 correction of error in a vd min. value in ta b l e 3 . 20-jul-2007 5 esd values added in table 1: absolute maximum ratings . equivalent input noise parameter added in ta b l e 3 . electrical characteristics curves updated. section 4: package information updated.
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