LM2904, LM2904A Low-power dual operational amplifier Features Internally frequency-compensated Large DC voltage gain: 100 dB Wide bandwidth (unity gain): 1.1 MHz (temperature compensated) Very low supply current/amplifier, essentially independent of supply voltage Low input bias current: 20 nA (temperature compensated) N DIP8 (Plastic package) Low input offset current: 2 nA Input common-mode voltage range includes negative rail Differential input voltage range equal to the power supply voltage Large output voltage swing 0 V to (VCC+ -1.5 V) D SO-8 (Plastic micropackage) P TSSOP8 (Thin shrink small outline package) Description This circuit consists of two independent, high gain, internally frequency-compensated operational amplifiers designed specifically 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 can now be more easily implemented in single power supply systems. For example, these circuits can be directly supplied from the standard +5 V which is used in logic systems and easily provides the required interface electronics without requiring any additional power supply. S MiniSO-8 Q2 DFN8 2 x 2 mm (Plastic micropackage) Pin connections (top view) In the 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. January 2012 Doc ID 2471 Rev 14 1/24 www.st.com 24 Contents LM2904, LM2904A Contents 1 Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 4 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.1 Typical single-supply applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4 Macromodel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.1 DIP8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 5.2 SO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5.3 DFN8 2 x 2 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 5.4 TSSOP8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.5 MiniSO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 6 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2/24 Doc ID 2471 Rev 14 LM2904, LM2904A 1 Schematic diagram Schematic diagram Figure 1. Schematic diagram (1/2 LM2904) VCC 6 MA 4 MA 100 MA Q5 Q6 CC Inverting input Q2 Q3 Q1 Q7 Q4 RSC Non-inverting input Q11 Output Q13 Q10 Q8 Q12 Q9 50 mA GND Doc ID 2471 Rev 14 3/24 Absolute maximum ratings and operating conditions LM2904, LM2904A 2 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings Symbol VCC Parameter Supply voltage (1) Value Unit 16 or 32 V 32 V -0.3 to 32 V Infinite s (2) Vid Differential input voltage Vin Input voltage Output short-circuit duration (3) Input current (4) Input current (5): : Vin driven negative Iin 5 mA in DC or 50 mA in AC (duty cycle = 10%, T = 1s) Vin driven positive above AMR value mA 0.4 Toper Operating free-air temperature range -40 to +125 C Tstg Storage temperature range -65 to +150 C Maximum junction temperature 150 C Rthja Thermal resistance junction to ambient(6) SO-8 TSSOP8 DIP8 MiniSO-8 DFN8 2x2 125 120 85 190 57 Rthjc Thermal resistance junction to case(6) SO-8 TSSOP8 DIP8 MiniSO-8 40 37 41 39 HBM: human body model(7) 300 V MM: machine model(8) 200 V 1.5 kV Tj ESD CDM: charged device model(9) C/W C/W 1. All voltage values, except differential voltage are with respect to network ground terminal. 2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal. 3. Short-circuits from the output to VCC can cause excessive heating if Vcc+ > 15 V. The maximum output current is approximately 40 mA, independent of the magnitude of VCC. Destructive dissipation can result from simultaneous short-circuits on all amplifiers. 4. 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-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 Opamps to go to the VCC voltage level (or to ground for a large overdrive) for 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-32 V)/400 A). 6. Short-circuits can cause excessive heating and destructive dissipation. Values are typical. 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 combinations while the other pins are floating. 8. 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 while the other pins are floating. 9. Charged device model: all pins and the package are charged together to the specified voltage and then discharged directly to the ground through only one pin. This is done for all pins. 4/24 Doc ID 2471 Rev 14 LM2904, LM2904A Table 2. Symbol Absolute maximum ratings and operating conditions Operating conditions Parameter VCC Supply voltage Vicm Common mode input voltage range Toper Operating free-air temperature range Doc ID 2471 Rev 14 Value Unit 3 to 30 V 0 to VCC+ - 1.5 V -40 to +125 C 5/24 Electrical characteristics LM2904, LM2904A 3 Electrical characteristics Table 3. VCC+ = 5 V, VCC- = ground, VO = 1.4 V, Tamb = 25 C (unless otherwise specified) Symbol Vio DVio Iio DIio Parameter Min. Typ. Max. 2 1 7 2 9 4 Input offset voltage drift 7 30 V/C Input offset current Tamb = 25 C Tmin Tamb Tmax 2 30 40 nA Input offset current drift 10 300 pA/C 20 150 200 nA Input offset voltage (1) Tamb = 25 C LM2904 Tamb = 25 C LM2904A Tmin Tamb Tmax LM2904 Tmin Tamb Tmax LM2904A Unit mV (2) Iib Input bias current Tamb = 25 C Tmin Tamb Tmax Avd Large signal voltage gain VCC+ = +15 V, RL = 2 k, Vo = 1.4 V to 11.4 V Tamb = 25 C Tmin Tamb Tmax 50 25 100 SVR Supply voltage rejection ratio (RS 10 k) Tamb = 25 C Tmin Tamb Tmax 65 65 100 V/mV dB ICC Supply current, all amp, no load Tamb = 25C, VCC+ = +5 V Tmin Tamb Tmax, VCC+ = +30 V Vicm Input common mode voltage range (VCC+= +30 V) (3) Tamb = 25 C Tmin Tamb Tmax 0 0 CMR Common-mode rejection ratio (RS = 10 k) Tamb = 25 C Tmin Tamb Tmax 70 60 85 Isource Output short-circuit current VCC+ = +15 V, Vo = +2 V, Vid = +1 V 20 40 20 50 mA A 27 V 0.7 Isink Output sink current VO = 2 V, VCC+ = +5 V VO = +0.2 V, VCC+ = +15 V 10 12 VOH High level output voltage (VCC+ = + 30 V) Tamb = +25 C, RL = 2 k Tmin Tamb Tmax Tamb = +25 C, RL = 10 k Tmin Tamb Tmax 26 26 27 27 6/24 Doc ID 2471 Rev 14 28 1.2 2 mA VCC+ -1.5 VCC+ -2 V dB 60 mA LM2904, LM2904A Table 3. Symbol VCC+ = 5 V, VCC- = ground, VO = 1.4 V, Tamb = 25 C (unless otherwise specified) (continued) Parameter Min. VOL Low level output voltage (RL = 10 k) Tamb = +25 C Tmin Tamb Tmax SR Slew rate VCC+ = 15 V, Vin = 0.5 to 3 V, RL = 2 k, CL =100 pF, unity gain Tmin Tamb Tmax Max. Unit 5 20 20 mV V/s 0.6 0.7 1.1 MHz 0.02 % Equivalent input noise voltage f = 1 kHz, RS = 100 , VCC+ = 30 V 55 nV/ Hz Channel separation (4) 1 kHz f 20 kHz 120 dB Gain bandwidth product f = 100 kHz VCC+ = 30 V, Vin = 10 mV, RL = 2 k, CL = 100 pF THD Total harmonic distortion f = 1 kHz, AV = 20 dB, RL = 2 k, Vo = 2 Vpp, CL = 100 pF, VCC+ = 30 V VO1/VO2 Typ. 0.3 0.2 GBP en 1. Electrical characteristics VO = 1.4 V, RS = 0 , 5 V < VCC+ < 30 V, 0 V < Vic < VCC+ - 1.5 V. 2. The direction of the input current is out of the IC. This current is essentially 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 signal voltage should not be allowed to go negative by more than 0.3 V. The upper end of the common-mode voltage range is VCC+ -1.5 V, but either or both inputs can go to +32 V without damage. 4. Due to the proximity of external components, ensure that the stray capacitance does not cause coupling between these external parts. This can typically be detected at higher frequencies because this type of capacitance increases. Doc ID 2471 Rev 14 7/24 Electrical characteristics Figure 2. LM2904, LM2904A Open-loop frequency response Figure 3. Large signal frequency response 20 140 100k 10M 1k 0.1F VCC VOLTAGE GAIN (dB) - 100 VO VI VCC/2 + 80 VCC = 30V & -55C Tamb 60 +125C 40 20 VCC = +10 to + 15V & -55C Tamb +125C 15 2k + 10 5 0 1.0 10 100 1k 10k 100k 1M 10M 1k 10k FREQUENCY (Hz) Figure 4. Voltage follower large signal response Figure 5. 10 VCC = +5V VCC = +15V VCC = +30V OUTPUT VOLTAGE (V) 1 0 3 2 1 v cc v cc /2 - 0.1 IO 1 Tamb = +25C 0.01 0 10 20 30 40 0,001 TIME (s) + eO - 50pF 400 Input 350 Output 300 Tamb = +25C VCC = 30 V 250 0 1 2 3 4 5 6 7 Figure 7. OUTPUT VOLTAGE REFERENCED 500 el 0,01 0,1 1 10 100 OUTPUT SINK CURRENT (mA) Voltage follower small signal response 450 VO + Current sourcing output characteristics 8 V CC 7 6 TO VCC+ (V) OUTPUT VOLTAGE (V) 2 Figure 6. 1M Current sinking output characteristics RL 2 k VCC = +15V 3 INPUT VOLTAGE (V) 100k FREQUENCY (Hz) 4 OUTPUT VOLTAGE (mV) VO VI +7V 0 8 TIME (ms) 8/24 +15V - OUTPUT SWING (Vpp) 120 V CC /2 5 + VO IO - 4 3 2 Independent of V CC T amb = +25C 1 0,001 0,01 0,1 1 10 100 OUTPUT SOURCE CURRENT (mA) Doc ID 2471 Rev 14 LM2904, LM2904A Figure 8. Electrical characteristics Input current versus temperature Figure 9. 90 90 80 VI = 0 V 70 OUTPUT CURRENT (mA) INPUT CURRENT (mA) Current limiting VCC = +30 V 60 50 VCC = +15 V 40 30 VCC = +5 V 20 - 80 60 + 50 40 30 20 10 10 0 0 -55 -35 -15 5 25 45 65 85 105 -55 -35 125 TEMPERATURE (C) -15 5 25 45 65 85 105 125 TEMPERATURE (C) Figure 10. Input voltage range Figure 11. Supply current 4 15 VCC 10 SUPPLY CURRENT (mA) INPUT VOLTAGE (V) IO 70 Negative Positive 5 ID mA 3 - 2 + Tamb = 0C to +125C 1 Tamb = -55C 0 5 10 15 0 POWER SUPPLY VOLTAGE (V) Figure 12. Voltage gain 20 30 Figure 13. Input current versus supply voltage 100 160 INPUT CURRENT (nA) R L = 20k VOLTAGE GAIN (dB) 10 POSITIVE SUPPLY VOLTAGE (V) 120 R L = 2k 80 40 0 10 20 30 40 POSITIVE SUPPLY VOLTAGE (V) Doc ID 2471 Rev 14 75 50 25 Tamb= +25C 0 10 20 30 POSITIVE SUPPLY VOLTAGE (V) 9/24 Electrical characteristics LM2904, LM2904A Figure 15. Power supply rejection ratio 1.5 1.35 1.2 1.05 0.9 0.75 VCC = 15V 0.6 0.45 0.3 0.15 0 -55-35-15 5 25 45 65 85 105 125 TEMPERATURE (C) COMMON MODE REJECTION RATIO (dB) Figure 16. Common-mode rejection ratio 10/24 POWER SUPPLY REJECTION RATIO (dB) GAIN BANDWIDTH PRODUCT (MHz) Figure 14. Gain bandwidth product 115 110 SVR 105 100 95 90 85 80 75 70 65 60-55-35-15 5 25 45 65 85 105 125 TEMPERATURE (C) Figure 17. Phase margin vs capacitive load Phase Margin at Vcc=15V and Vicm=7.5V Vs. Iout and Capacitive load value 115 110 105 100 95 90 85 80 75 70 65 60-55-35-15 5 25 45 65 85 105 125 TEMPERATURE (C) Doc ID 2471 Rev 14 LM2904, LM2904A 3.1 Electrical characteristics Typical single-supply applications Figure 18. AC coupled inverting amplifier Rf 100 k 1/2 LM2904 eI ~ R2 100 k VCC R1 100 k Rf R1 (as shown AV = -10) R1 10 k CI AV = - Figure 19. AC coupled non-inverting amplifier A V= 1 + R2 R1 (as shown A V = 11) C1 0.1 F Co 2VPP 0 eo RB 6.2 k R3 100 k R2 1 M Co 1/2 LM2904 CI RL 10 k RB 6.2 k eI ~ R3 1 M 2VPP 0 eo RL 10 k R4 100 k VCC C1 10 F C2 10 F Figure 20. Non-inverting DC gain R5 100 k Figure 21. DC summing amplifier e1 100 k A V = 1 + R2 R1 (As shown A V = 101) 10 k eO +5V 100 k e O (V) 1/2 LM2904 R2 1 M R1 10 k e2 100 k e3 100 k 100 k eo = e1 + e2 - e3 - e4 where (e1 + e2) (e3 + e4) to keep eo 0V e I (mV) Figure 22. High input Z, DC differential amplifier Figure 23. Using symmetrical amplifiers to reduce input current 1/2 R1 100 k 1/2 LM2904 I R4 100 k R2 100 k eI IB R3 100 k +V1 +V2 1/2 LM2904 I eo I B LM2904 2N 929 0.001 F Vo IB If R1 = R5 and R3 = R4 = R6 = R7 eo = [ 1 + 2R1 ] (e2 - e1) R2 As shown eo = 101 (e2 - e1) eO 100 k e4 0 1/2 LM2904 IB 3 M 1.5 M Doc ID 2471 Rev 14 IB 1/2 LM2904 Input current compensation 11/24 Electrical characteristics LM2904, LM2904A Figure 24. Low drift peak detector Figure 25. Active bandpass filter R1 100 k IB C1 330 pF 1/2 I B LM2904 1/2 LM2904 eI C 1 F +V1 2N 929 2IB R 1 M 0.001 F R3 100 k IB 3R 3 M IB R5 470 k R4 10 M C2 ZI 12/24 R2 100 k eo Zo 2IB 1/2 LM2904 330 pF 1/2 LM2904 R6 470 k Vo 1/2 LM2904 R7 100 k VCC 1/2 LM2904 Input current compensation Doc ID 2471 Rev 14 R8 100 k Fo = 1 kHz Q = 50 Av = 100 (40 dB) C3 10 F LM2904, LM2904A 4 Macromodel Macromodel An accurate macromodel of the LM2904 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 LM2904 operational amplifier. It emulates the nominal performances of a typical device within the specified 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. Doc ID 2471 Rev 14 13/24 Package information 5 LM2904, LM2904A Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark. 14/24 Doc ID 2471 Rev 14 LM2904, LM2904A 5.1 Package information DIP8 package information Figure 26. DIP8 package mechanical drawing Table 4. DIP8 package mechanical data Dimensions Ref. Millimeters Min. Typ. A Inches Max. Min. Typ. 5.33 Max. 0.210 A1 0.38 0.015 A2 2.92 3.30 4.95 0.115 0.130 0.195 b 0.36 0.46 0.56 0.014 0.018 0.022 b2 1.14 1.52 1.78 0.045 0.060 0.070 c 0.20 0.25 0.36 0.008 0.010 0.014 D 9.02 9.27 10.16 0.355 0.365 0.400 E 7.62 7.87 8.26 0.300 0.310 0.325 E1 6.10 6.35 7.11 0.240 0.250 0.280 e 2.54 0.100 eA 7.62 0.300 eB L 10.92 2.92 3.30 3.81 Doc ID 2471 Rev 14 0.430 0.115 0.130 0.150 15/24 Package information 5.2 LM2904, LM2904A SO-8 package information Figure 27. SO-8 package mechanical drawing Table 5. SO-8 package mechanical data Dimensions Ref. Millimeters Min. Typ. A Max. Min. Typ. 1.75 0.25 Max. 0.069 A1 0.10 A2 1.25 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 E 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 0.004 0.010 0.049 1.27 0.050 h 0.25 0.50 0.010 0.020 L 0.40 1.27 0.016 0.050 L1 k ccc 16/24 Inches 1.04 1 0.040 8 0.10 Doc ID 2471 Rev 14 1 8 0.004 LM2904, LM2904A 5.3 Package information DFN8 2 x 2 mm package mechanical data Figure 28. DFN8 2 x 2 mm package mechanical drawing Table 6. DFN8 2 x 2 mm package mechanical data (pitch 0.5 mm) Dimensions Ref. A Millimeters Inches Min. Typ. Max. Min. Typ. Max. 0.51 0.55 0.60 0.020 0.022 0.024 A1 0.05 A3 0.002 0.15 0.006 b 0.18 0.25 0.30 0.007 0.010 0.012 D 1.85 2.00 2.15 0.073 0.079 0.085 D2 1.45 1.60 1.70 0.057 0.063 0.067 E 1.85 2.00 2.15 0.073 0.079 0.085 E2 0.75 0.90 1.00 0.030 0.035 0.039 e 0.50 0.020 L 0.50 0.020 ddd 0.08 0.003 Doc ID 2471 Rev 14 17/24 Package information LM2904, LM2904A Figure 29. DFN8 2 x 2 mm footprint recommendation 0.30 mm 0.50 mm 18/24 Doc ID 2471 Rev 14 2.80 mm 0.75 mm 0.45 mm 1.60 mm LM2904, LM2904A 5.4 Package information TSSOP8 package information Figure 30. TSSOP8 package mechanical drawing Table 7. TSSOP8 package mechanical data Dimensions Ref. Millimeters Min. Typ. A Inches Max. Min. Typ. 1.20 A1 0.05 A2 0.80 b Max. 0.047 0.15 0.002 1.05 0.031 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.008 D 2.90 3.00 3.10 0.114 0.118 0.122 E 6.20 6.40 6.60 0.244 0.252 0.260 E1 4.30 4.40 4.50 0.169 0.173 0.177 e 0.65 k 0 L 0.45 L1 aaa 1.00 0.60 0.006 0.039 0.041 0.0256 8 0 0.75 0.018 1 8 0.024 0.030 0.039 0.10 Doc ID 2471 Rev 14 0.004 19/24 Package information 5.5 LM2904, LM2904A MiniSO-8 package information Figure 31. MiniSO-8 package mechanical drawing Table 8. MiniSO-8 package mechanical data Dimensions Ref. Millimeters Min. Typ. A Max. Min. Typ. 1.1 A1 0 A2 0.75 b Max. 0.043 0.15 0 0.95 0.030 0.22 0.40 0.009 0.016 c 0.08 0.23 0.003 0.009 D 2.80 3.00 3.20 0.11 0.118 0.126 E 4.65 4.90 5.15 0.183 0.193 0.203 E1 2.80 3.00 3.10 0.11 0.118 0.122 e L 0.85 0.65 0.40 0.60 0.006 0.033 0.80 0.016 0.024 0.95 0.037 L2 0.25 0.010 ccc 0 0.037 0.026 L1 k 20/24 Inches 8 0.10 Doc ID 2471 Rev 14 0 0.031 8 0.004 LM2904, LM2904A Ordering information 6 Ordering information Table 9. Order codes Order code Temperature range Package Packing Marking LM2904N DIP8 Tube LM2904N LM2904D/DT SO-8 Tube or tape & reel LM2904PT TSSOP8 (thin shrink outline package) Tape & reel LM2904ST MiniSO-8 Tape & reel K403 DFN8 2 x 2 Tape & reel K1Y SO-8 (automotive grade level) Tape & reel TSSOP8 (automotive grade level) Tape & reel MiniSO-8 (automotive grade level) Tape & reel 2904 LM2904Q2T -40 C to +125 C LM2904YDT(1) LM2904AYDT (1) LM2904YPT(2) LM2904AYPT (2) LM2904YST(1) 2904Y 2904AY 2904Y 2904AY K409 1. Qualified and characterized according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 & Q 002 or equivalent. 2. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 & Q 002 or equivalent are on-going. Doc ID 2471 Rev 14 21/24 Revision history LM2904, LM2904A 7 Revision history Table 10. Document revision history Date Revision 02-Jan-2002 1 Initial release. 20-Jun-2005 2 PPAP references inserted in the datasheet, see Table 9 on page 21. ESD protection inserted in Table 1 on page 4. 10-Oct-2005 3 PPAP part numbers added in table Table 9 on page 21. 12-Dec-2005 4 Pin connections identification added on cover page figure. Thermal resistance junction to case information added see Table 1 on page 4. 01-Feb-2006 5 Maximum junction temperature parameter added in Table 1 on page 4. 02-May-2006 6 Minimum slew rate parameter in temperature Table 3 on page 6. 13-Jul-2006 7 Modified ESD values and added explanation on VCC, Vid in Table 1 on page 4. Added macromodel information. 8 Modified ESD/HBM values in Table 1 on page 4. Updated MiniSO-8 package information. Added note relative to automotive grade level part numbers in Table 9 on page 21. 9 Power dissipation value corrected in Table 1: Absolute maximum ratings. Table 2: Operating conditions added. Equivalent input noise voltage parameter added in Table 3. Electrical characteristics curves updated. Figure 17: Phase margin vs capacitive load added. Section 5: Package information updated. 18-Dec-2007 10 Removed power dissipation parameter from Table 1: Absolute maximum ratings. Removed Vopp from electrical characteristics in Table 3. Corrected MiniSO-8 package mechanical data in Section 5.5: MiniSO-8 package information. 08-Apr-2008 11 Added table of contents. Corrected the scale of Figure 5 (mA not A). Corrected SO-8 package information. 12 Added input current information in Table 1: Absolute maximum ratings. Added L1 parameters in Table 5: SO-8 package mechanical data. Added new order codes, LM2904AYD/DT, LM2904AYPT and LM2904AYST in Table 9: Order codes. 28-Feb-2007 18-Jun-2007 02-Jun-2009 22/24 Changes Doc ID 2471 Rev 14 LM2904, LM2904A Table 10. Revision history Document revision history (continued) Date 13-Apr-2010 24-Jan-2012 Revision Changes 13 Added LM2904A on cover page. Corrected footnote (5) in Table 1: Absolute maximum ratings. Removed order code LM2904AYST from Table 9: Order codes. 14 Removed macromodel from Chapter 4 (now available on www.st.com). Added DFN8 2 x 2 mm package information in Chapter 5 and related order codes in Chapter 6. Removed LM2904YD and LM2904AYD order codes from Table 9. Changed note for LM2904YST order code in Table 9. Doc ID 2471 Rev 14 23/24 LM2904, LM2904A 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 herein 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 assumes 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. 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