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Date: 14-05-17

New high resolution audio processor IC from Rohm

ROHM launched audio processor to handle audio playback that performs volume adjustment and audio mixing for car audio and navigation systems requiring high sound quality.

The BD34602FS-M was developed with a focus on sound quality by utilizing proprietary sound quality design technology with characteristics such as low 0.004% distortion and 3.1uVrms floor noise make it possible to extract the full data from sound sources, improving spatial representation . This chip is designed to provide improved car-audio quality by adopting to high-resolution sound sources and a reduction in cabin-noise.
 
The BD34602FS-M extracts the full data from audio sources by optimizing 28 unique parameters centered on circuit configuration and electrical characteristics that have been shown to have an effect on IC sound quality enables accurate spatial representation.

Other features include:
  •Reduces IC midpoint bias-circuit noise by approx. 20%
  • Decreases noise generated low-frequency noise  generated in the volume circuit by up to 10x

  •An interrupt function (mixing) for both voice-navigation and hands-free modes is built in.
Generally, when turning mixing ON/OFF unwanted popping-noise may occur, by using ROHM’s original advanced switching technology these popping noises are minimized.

Pricing:US$18/sample (excluding tax)
Availability: Now (samples and OEM quantities)

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