WM8737 Stereo Audio ADC Breakout Board


The WM8737 is an extremely low-power, stereo audio analog-to-digital converter. It pairs up perfectly as an audio front-end with the nRF24Z1 boards. It can accept line-level and microphone inputs without the need for an external pre-amp. Perfect for your next audio project!

  • 97 dB SNR ('A' weighted)
  • Stereo sample rates up to 24 bits @ 96kHz
  • I2S interface for audio data
  • 1.8V to 3.3V supply
  • Automatic level control (essentially a built-in audio compressor)
  • SPI or I2C control available
  • Can run as a mono device to save power
  • On-board PGA allows gain adjustments to be done in software
  • Built-in microphone preamplifier allows connection to microphone

  • Documentation:
  • WM8737 Datasheet
  • Schematic
  • Pin Assignment
  • Example code for using the WM8737 ADC and WM8711BL to form a wireless audio link with two nRF24Z1's (controlled by an nRF24LE1 on each side of the link)

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    This product was added to our catalog on Monday 31 October, 2011.

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