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LM324 IC - Low Power Quad Op-Amp IC

LM324 is a 14pin IC consisting of four independent operational amplifiers (op-amps) compensated in a single package. Op-amps are high gain electronic voltage amplifier with a differential input and, usually, a single-ended output. The output voltage is many times higher than the voltage difference between the input terminals of an op-amp. These op-amps are operated by a single power supply LM324 and need for a dual supply is eliminated. They can be used as amplifiers, comparators, oscillators, rectifiers, etc. The conventional op-amp applications can be more easily implemented with LM324.

Unique Characteristics

  • 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 only a single power supply voltage.
  • The unity gain cross frequency is temperature compensated.
  • The input bias current is also temperature compensated Advantages.
  • Eliminates the need for dual supplies.
  • Four internally compensated op amps in a single package.
  • Allows directly sensing near GND and VOUT also goes to GND.
  • Compatible with all forms of logic.
  • Power drain suitable for battery operation.


  • Internally frequency compensated for unity gain
  • Large DC voltage gain 100 dB
  • Wide bandwidth (unity gain) 1 MHz (temperature compensated)
  • Wide power supply range:
  •         Single supply 3V to 32V
  •         dual supplies ±1.5V to ±16V
  • Very low supply current drain (700 µA) —essentially independent of supply voltage
  • Low input biasing current 45 nA (temperature compensated)
  • Low input offset voltage 2 mV and offset current: 5 nA
  • Input common-mode voltage range includes ground
  • Differential input voltage range equal to the power supply voltage
  • Large output voltage swing

Datasheet: Download

Package Content:

1 x LM324 IC

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Tags: LM324 , IC - Low , Power , Quad , Op , Amp , IC , ICs , Integrated , Circuits , Chips , lm , 324 ,

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