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PWM audio processor lets designers mix two audio sources

The industry's first eight channel pulse width modulator (PWM) audio processor with dual asynchronous sample rate converters has been touted by Texas Instruments.

The single chip, hd compatible TAS5548 allows home and pro audio designers to mix two audio sources, which TI says provides design flexibility and cost savings compared to competitive solutions that require two chips.

The processor accepts sample rates from 8 to 192kHz and converts them to a fixed rate of 96 or 192kHz, eliminating the need to create, store and change coefficients.

An integrated smart energy manager can limit the audio system's peak power by interrupting the host processor if the power threshold is reached, enabling more efficient operation.

For high end audio systems, a power supply volume control enables energy efficient high power performance.

Laura Hopperton

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