Hello,
When test the THD+N according to the application notes, the measurement results are not the same with the datasheet, there is spike between 5Khz ~10Khz.
https://www.ti.com/lit/an/sloa068a/sloa068a.pdf
While the datasheet waveform is as following:
Could you please help to analyze the reason of the spike?
Best regards
Kailyn