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IR4322 Datasheet 2-Channel Integrated Analog Input Class D Audio Amplifier

Manufacturer: International Rectifier (now Infineon)

Download the IR4322 datasheet PDF. This datasheet also includes the IR4302 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (IR4302-InternationalRectifier.pdf) that lists specifications for multiple related part numbers.

General Description

The IR43x2 integrates 2 channel PWM controller and digital audio MOSFETs forming a high performance Class D audio amplifier.

As a result of fully optimized MOSFETs co-packed with a dedicated controller IC, the IR43X2 operates without mechanical heatsink attached in a typical music playback usage.

High voltage ratings and noise immunity in the controller IC ensures reliable operation over various environmental conditions.

Overview

IR43x2.

Key Features

  • 2 channel integrated analog input Class D audio amplifier in a small 7 x 7 mm PQFN44 package.
  • No mechanical heatsink required.
  • High peak music power output.
  • Split or single power supply.
  • Differential or single-ended input.
  • Over-current, over-temperature and under voltage protections with self-reset feature.
  • Start/stop click noise reduction.
  • Clip and Fault reporting outputs.
  • High noise immunity.
  • RoHS compliant Typical.

More Datasheets from International Rectifier (now Infineon)

Part Number Description
IR4321 Integrated analog input Class D audio amplifier
IR4301 Integrated analog input Class D audio amplifier
IR4302 2-Channel Integrated Analog Input Class D Audio Amplifier
IR4311 Integrated analog input Class D audio amplifier
IR4312 2-Channel Integrated Analog Input Class D Audio Amplifier
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