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WM8804 S/PDIF and IIS/I2S Audio Signal Transceiver [744]

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CS4334 IIS/I2S to Stereo Analog Audio Signal Transceiver




This is a product that can convert S/PDIF and I2S signal to each other. This product can convert the signal S/PDIF into I2S signal, or convert the signal I2S to S/PDIF signal. Signal conversion model can use the hardware setup, and you can also use the software setting. As for the hardware setup, please refer to the silkscreen on PCB.

I2S signals and S/PDIF cannot be used as the input or output at the same time . Please turn off the input power supply when you switch the conversion mode.

This WM8804 S/PDIF TOSLINK to IIS Converter has one LED indicator which shows the current operation status.And it can be used with WONDOM AA - AB41131 CS4334 IIS/I2S Decode Board with H/P Output.

  • Board TypeBoard
  • inputS/PDIF, I2S,
  • outputI2S, S/PDIF,
  • Control InterfaceHardware
  • Size3.6 x 2.7 inches (91.44mm x 68.58mm)
  • Power Voltage9V-15V
  • A mature I2S & S/PDIF signal conversion equipment
  • LED status indicator
  • External power and signal output connector
  • Power supply anti-reverse protection
  • A gorgeous appearance WM8804 S/PDIF TOSLINK to IIS Converter Board
  • Excellent heat dissipation eliminates the requirement of an extra heat sink.
Supply Voltage-9V12V15V
Static working currentVIN=12V  10mA
Operating Temperature-0℃20℃50℃
Storage Temperature--20℃20℃105℃
Thermal Shutdown--150℃-



13 Oct 2021

Thank you. Now, I understand it better. This board converts S/PDIF to I2S . And I2S to S/PDIF. Is there anyway to use S/PDIF to I2S. And I2S to I2S?

Hi, Shay. This board can meet your requirement on converting S/PDIF to I2S. However, we don't have any product to convert I2S to I2S. Have a nice day~


07 Oct 2021

How can i2s input be activated? Output side has a switch.

Hi, Shay. To activate I2S input, you just need to plug in the connector and input I2S signal. Please note, I2S input signal can only be converted to S/PDIF output. You need to set the master or slave mode according to your device and set SW4 as AIF (I2S) TX Source. Wish this could help you. Have a nice day~

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