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IR4302 - 2-Channel Integrated Analog Input Class D Audio Amplifier

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.

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.

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Other Datasheets by International Rectifier (now Infineon)

Part Number Description
IR4301 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
IR4321 Integrated analog input Class D audio amplifier
IR4322 2-Channel Integrated Analog Input Class D Audio Amplifier

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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IR43x2 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 Applications  Home theatre systems  Docking station audio systems  PC audio systems  Musical instruments  Karaoke amplifiers  Game consoles  Powered speaker systems  General purpose audio power amplifiers Product Summary Topology IR4302 Output power (Typical, THD+N=10%) IR4322 Output power (Typical, THD+N=10%) IR4312 Output power (Typical,