TPA3113D2: TPA3113D2 background noise issue

xiaowei chen

Part Number: TPA3113D2

Dear all:

TPA3113D2 output have background noise and want to add audio isolation circuit, Can you help support the audio isolation circuit sch, thank you!

over 4 years ago

0 Yanming Gong over 4 years ago

TI__Mastermind 19010 points

Can you share the schematic and the test result picture to us? Do you add the filter on output? Thanks!

0 Xiaolin Qin over 4 years ago in reply to Yanming Gong

TI__Expert 6295 points

please check DAC output noise and reduce DAC output noise.

another way to help is to see whether you can give differential input for TPA3113D2.

Regards
Linda

Audio

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TPA3113D2: TPA3113D2 background noise issue