This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPA3118D2/TPA3116D2单端输入噪声问题

Other Parts Discussed in Thread: TPA3116D2

各位前辈好!

最近公司用TI的模拟功放TPA3116D2做功放,遇到以下问题:

1、底噪问题:不输入音频时,会听到明显的唦唦声,(音频输入前级断开也会听到唦唦声),这底噪和供电电源有关吗?;

2、开关机会有很大的POP声;

附上功放部分原理图: