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IR4301 - Integrated analog input Class D audio amplifier

Description

The IR43x1 integrates 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 IR43X1operates without mechanical heatsink attached in a typical music playback usage.

Features

  • Integrated analog input Class D audio amplifier in a small 5 x 6 mm PQFN package.
  • High peak music power output.
  • No mechanical heatsink required.
  • Split or single power supply.
  • Differential or single-ended input.
  • Over-current, over-temperature and under voltage protections with self-reset function.
  • Start and stop click noise reduction.
  • High noise immunity.
  • RoHS compliant Typical.

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Other Datasheets by International Rectifier (now Infineon)

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

Full PDF Text Transcription

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IR43x1 Features  Integrated analog input Class D audio amplifier in a small 5 x 6 mm PQFN package  High peak music power output  No mechanical heatsink required  Split or single power supply  Differential or single-ended input  Over-current, over-temperature and under voltage protections with self-reset function  Start and stop click noise reduction  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 *IR4301 Output power (Typical, THD+N=10%) *IR4321 Output power (Typical, THD+N=10%) *IR4311 Output power (Typical, THD+N=10%) *Residual noise (AES-17, IHF
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