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TAS5766M: TAS5766M doesn't have no sound

Part Number: TAS5766M

Hi team,

My customer is evaluating the TAS5766M now. We meet some problems about TAS5766M.

Few questions want to check with you.

1. Can the chip support 4k sample rate(LRCK = 4kHz)?   16Mhz SCLK to BCLK128k to 4k LRCK, BLCK/LRCK output

2. Now we use 24v input, PBTL mono output to drive 4ohm  speaker. Could you please help check the schematic? Any suggestion is ok.

 

3. We checked the IIS waveform, the (4K LRCK) is ok, but no sound. IIS digital input has sin input, but DACR has no change.

Thank you.

BR

Frank