The LM324N features four independent, high gain, operational amplifiers in a single package, that operate from a single power supply (from 3V up to 32V). You can use a single OpAmp or all four.

These OpAmps are widely used and should cover most of your project needs.


  • Internally frequency compensated for unity gain
  • Large DC voltage gain: 100dB
  • Wide power supply range: 3V~32V (or ±1.5 ~ 16V)
  • Input common mode voltage range includes ground
  • Large output voltage swing: 0V to VCC -1.5V
  • Power drain suitable for battery operation
  • 0.4V/uS slew rate
  • Low power: quiescent current is 430-μA/amplifier at 5 V


Internal Block Diagram

LM324N - Quad Operational Amplifier - Diagram

Additional information

Weight 0.010 kg
Dimensions 19.1 × 6.67 × 7 mm



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LM324N – Quad Operational Amplifier

The LM324N from Fairchild Semiconductors features four independent operational amplifiers.


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