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TAS5760MD: TAS5760M Background noise

Part Number: TAS5760MD
Other Parts Discussed in Thread: TAS5760M

Hello , Ti  Experts:

Our machine has been used before on the TAS5760MD, the machine is OK.

Last year due to the tight chip market,we  purchased a batch of  13 +  TAS5760MD (chip screen printing     P31AQG9T   G4    TAS5760M) .

Performance of batch 13+  was found to be poor with other batches.

The 13+  batch has a large Background noise in  right channel. This problem will not occur if   change back to the latest batch.

Description: We use software to control the TAS5760M, including gain, volume, and so on. Different batches of chip software do not change

The settings are as follows:

0x01,0xFF   //MUTE AMP

0x02,0x1c

0x03,0x00

0x04,0xe5

0x05,0xe5

0x06,0x21

0x01,0xFD  //UNMUTE AMP

Can you help us sort this out.

 Thank you.