Asynchronous Sample Rate Converter Upsampling Module CS8421 32Bit/192kHz

Asynchronous Sample Rate Converter Upsampling Module CS8421 32Bit/192kHz

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Shipping date: 25-01-2022.

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This CS8421 module with I2S inputs and outputs allows to lower the jittersignificantly with a theoretical dynamic of 175 dB. Thanks to its ASRC process this module is very efficient. It is a TI SRC 4192.

It generates a Masterclock in output I2S thanks to its clock of 27Mhz. So this module will be very useful for devices not coming out of Masterclock (MCLK / WCLK).

The qualities of ASRC modulesare known to lower the background noise, jitter and increase the readability of microphone information

Attention: The clock generated at the output is 211Khz. It will be necessary to check if your incoming I2S module (DAC, DSP) is compatible.

An explanatory PDF in the download tab is available.

Module features:

  • Chipset: CS8421
  • Input Sampling Rate: Up to 192kHz (16 / 32Bit)
  • Constant Output Sampling Rate: 211kHz
  • Power Supply: 5V DC

I2S outputs:

  • PIN 1: NC
  • PIN 2: GND
  • PIN 3: DATA
  • PIN 4: BCK
  • PIN 5: MCLK
  • PIN 6: LRCK

Dimensions / Weight:

  • 26x32mm
  • Mounting bracket: 27mm
  • Weight: 16g

Internal operating diagram of the CS8421


Data sheet
Max sampling rate192kHz
Interface chipCS8421
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