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Audio system LSIs facilitate MP3 file playback

Posted: 13 Jul 2006     Print Version  Bookmark and Share

Keywords:Vince Biancomano  Rohm  BU9432-C1  BU9434-C2  audio LSI chips 

Rohm Co. Ltd's BU9432-C1 and BU9434-C2 audio system LSIs integrate an MP3 decoder, DAC, system controller, USB host controller, and 3-output power supply to facilitate playback of MP3 files contained in flash memory. The chips can be easily installed in audio equipment such as CD players, mini component stereos, car stereos and portable players. The BU9432-C1 features a headphone amplifier, while the BU9434-C2 incorporates an SD card interface controller, sound effect board and I2S/SPDIF interface.

The BU9432-C1 (TQFP64V package) is now in production and priced at Rs.229.15 ($5) each (minimum quantity of 1,000). Lead time is 8-10 weeks ARO. The BU9434-C2 (VQFP64 package) will be available at the end of September; mass production begins in December.

- Vince Biancomano

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