Other Parts Discussed in Thread: TAS6424
TDM 32 channel data from. 9610A dump, EC has buzzing bottom noise, MIC does not.
Connect the analog output of AMP reference ⾳ to the ADC1 of AK7739, which is the analog output of AMP-REF_1/AMP-REF_GND
Using codec for analog-to-digital conversion
Phenomenon: There is still a bottom noise current in the reference circuit
Conclusion: The bottom noise current is not produced by PCM6340 Codec
Is there any problem with the schematic diagram