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TAS5634EVM: PWM output couldn't consistent with datasheet

Part Number: TAS5634EVM


One customer who used TAS5634EVM tested the SNR and THD+N, and he found that the results are different with the datasheet.

He used Pure path with default configuration,  changed CH1 AD or BD modulation, used USB cable to connect PC and EVM board, BTL output mode, 16V power supply and 0.5A current, 44.1Khz input sine wave, the volume registers are all configured with 0dB, and connect PWM output to AP for performance test. But he didn't get 105dB SNR. So he would like if he missed some configuration about the measurement.

Best regards