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LM2902YDT-LM2902YPT
Low power, bipolar op-amp
January 2013 Doc ID 2469 Rev 7 1/21
LM2902Low-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 µA 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
DescriptionThis 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 also possible and the low
power supply current drain is independent from
the power supply voltage magnitude.
Contents LM29022/21 Doc ID 2469 Rev 7
Contents Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Typical single-supply applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 ECOPACK® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136.1 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
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
LM2902 Schematic diagram
1 Schematic diagram
Figure 1. Schematic diagram (1/4 LM2902)
Figure 2. Pin connections (top view) The exposed pads of the QFN16 3x3 can be connected to VCC- or left floating.
Absolute maximum ratings LM2902
4/21 Doc ID 2469 Rev 7 Absolute maximum ratings
Table 1. Absolute maximum ratings (AMR) All voltage values, except differential voltage are with respect to network ground terminal. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal. Short-circuit from the output to VCC+ can cause excessive heating and eventual destruction. The maximum output current is approximately 20 mA, independent of the magnitude of VCC+. 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 Op-amps 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. 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 µA max (R = (Vin - 36 V)/400 µA). Rthja/c are typical values. Human body model: a 100 pF capacitor is charged to the specified voltage, then discharged through a 1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations while the other pins are floating. 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 Ω). This is done for all couples of connected pin combinations while the other pins are floating. 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.
LM2902 Operating conditions
Doc ID 2469 Rev 7 5/21
3 Operating conditions
Table 2. Operating conditions
