EL SEGUNDO, Calif.--(BUSINESS WIRE)--International Rectifier, IR® (NYSE:IRF), a world leader in power management technology, today introduced the IRAUDAMP4 Class D audio power amplifier reference design. Compared to typical circuit designs, the new reference design illustrates how designers can reduce PCB board space by 50 percent for Class D audio amplifiers for the entire mid-voltage range of mid- and high-power amplifiers for home theatre applications, professional amplifiers, musical instruments and car entertainment.
"With THD+N at 0.004% at 60W into four ohms, this reference design demonstrates IR's state-of-the art silicon enabling the best in audio performance from Class D topology," said Stephane Ernoux, product marketing manager at International Rectifier.
Showcasing IR's IRS20955 200V digital audio driver IC and the IRF6645 DirectFET® digital audio MOSFETs, the IRAUDAMP4 reference design is a two-channel, 120W half-bridge design offering 96% efficiency at 120W, four ohms.
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