Hello,
We are evaluating TLV320AIC3204EVM-K and find ADC tone noise which level is not acceptable range on final products.
-120dB 12KHz and 20KHz noise are identified as attached FFT screen shot .
AIC3204EVM-K GUI setting is following.
CODEC MCLK input from USB via TAS1020
CODEC_CLKIN = PLL_CLK
PLL Clock Rang = Low
"Digital Settings" Dividers= Program USB Audio Settings
Do you have any idea to reduce the tone level?
Regards,
Mochizuki