INTERNATIONAL RECTIFIER PowIRaudio family adds a single channel IR4321M and dual channel IR4322M integrated power modules, expanding the power capability of low load-impedance Class D audio systems. The combination of an advanced audio controller IC with MOSFETs fully optimized for audio performance results in improved efficiency, THD, and EMI, allowing the IR432xM family to operate without a mechanical heatsink over a wide power supply range on either a single or split power supply. High voltage ratings and noise immunity ensure reliable operation over various environmental conditions.
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