Analogue, Mixed Signal, LSI


8-channel PWM audio processor

29 May 2013 Analogue, Mixed Signal, LSI

Texas Instruments introduced the industry’s first 8-channel pulse-width modulator (PWM) audio processor with dual asynchronous sample rate converters (ASRCs) integrated on a single chip.

The HD-compatible TAS5548 allows home and pro audio designers to seamlessly mix two audio sources, providing design flexibility and cost savings compared to competitive solutions that require two chips. It accepts sample rates from 8 kHz to 192 kHz and converts them to a fixed rate of 96 kHz or 192 kHz, eliminating the need to create, store and change co­efficients. This simplifies the design of digital multi-channel products such as Blu-ray home-theatre-in-a-box (HTiB), A/V receivers, mini/micro combos and soundbars.

The chip’s 40 kHz audio bandwidth is compatible with Dolby True HD and DTS-HD. Designers can optimise their products with rich audio processing capabilities such as 7-band parametric equalisation (EQ), bass and treble tone control, volume and loudness control, dynamic range compression (DRC), and input and output mixing.

For more information contact Dirk Venter, Arrow Altech Distribution, +27 (0)11 923 9600, dventer@arrow.altech.co.za, www.arrow.altech.co.za



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