Design

Op amps simplify circuit design

5th April 2023
Mick Elliott
0

Texas Instruments’ LM324B is the next-generation version of the industry-standard op amps LM324 and LM2902, which include four high-voltage 36 V op amps.

These devices provide outstanding value for cost-sensitive applications with features including a low offset of 600 µV (typical), common-mode input range to ground, and high differential input voltage capability.

The LM324B op amp simplifies the circuit design with enhanced features such as unity-gain stability, a lower offset voltage maximum of 3 mV, and a lower quiescent current of 240 µA per amp (typical).

The high ESD of 2 kV (HBM) and the integrated EMI and RF filters enable the LM324B to be used in extremely rugged, environmentally-challenging applications.

Features include:

  • Wide supply range: 3 V to 36 V
  • ESD protection: 2 kV (HBM)
  • Internal RF and an EMI filter
  • Common-mode input voltage range includes V
  • Input voltage differential can be driven up to the supply voltage
  • MIL-PRF-38535-compliant products: all parameters are tested unless otherwise noted
  • Other products: all parameters are not necessarily included in production processing testing

Applications are:

  • Merchant networks and server power-supply units
  • Multi-function printers
  • Power supplies and mobile chargers
  • Desktop PCs and motherboards
  • Indoor and outdoor air conditioners
  • Washers, dryers, and refrigerators
  • AC inverters, string inverters, central inverters, and voltage frequency drives
  • Uninterruptible power supplies

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