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Conexant CX2077x and CX3102x USB audio chips

Conexant Systems Inc. announced two audio devices, one of which it says is the industry's first USB audio chip to combine a DSP, tri-color LED PWM and LED driver into a single package.

The CX2077x is a USB audio codec and the CX3102x is a USB audio stream controller. The CX2077x and CX3102x product lines feature an internal tri-color RGB (red, green and blue) PWM LED driver and controller. Each LED output has its own eight-bit resolution PWM controller for brightness and dimming control. The tri-color PWM LED driver makes it possible to design products that are visually appealing and energy-efficient with an LED light source that communicates on/off status, power standby mode and other status indicators.

In addition, both product families feature Conexant's on-chip DSP, which runs a suite of proprietary voice processing algorithms and audio post-processing effects that improve sound quality and free up processing power for other applications.

Key highlights :

  • On-Chip voice/audio DSP
  • PCM/I2 S, S/PDIF digital audio interfaces
  • Stereo input
  • Stereo headphone driver
  • Generous general-purpose input/output GPIO interfaces for peripheral connectivity
  • SPI & I2 C interfaces

Pricing : In 1k quantities, the CX2077x starts at $2.32 and the CX3102x at $1.65.

Availability : A complete evaluation kit with reference board and all the necessary technical documents and software is available now.

Conexant Systems Inc. announced two audio devices, one of which it says is the industry's first USB audio chip to combine a DSP, tri-color LED PWM and LED driver into a single package.

The CX2077x and CX3102x product lines feature an internal tri-color RGB (red, green and blue) PWM LED driver and controller. Each LED output has its own eight-bit resolution PWM controller for brightness and dimming control. The tri-color PWM LED driver makes it possible to design products that are visually appealing and energy-efficient with an LED light source that communicates on/off status, power standby mode and other status indicators.

In addition, both product families feature Conexant's on-chip DSP, which runs a suite of proprietary voice processing algorithms and audio post-processing effects that improve sound quality and free up processing power for other applications.

Key highlights :

  • On-Chip voice/audio DSP
  • PCM/I2 S, S/PDIF digital audio interfaces
  • Stereo input
  • Stereo headphone driver
  • Generous general-purpose input/output GPIO interfaces for peripheral connectivity
  • SPI & I2 C interfaces


Pricing : In 1k quantities, the CX2077x starts at $2.32 and the CX3102x at $1.65.

Availability : A complete evaluation kit with reference board and all the necessary technical documents and software is available now.

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