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TAS3251 關掉PWM輸出

Other Parts Discussed in Thread: TAS3251, TAS5711, TPA3251

调试 TAS3251功放,发现没信号输入时,低噪很大声,

是否可以像TAS5711/31那樣關掉PWM輸出, 

請協助提供i2c 指令, 謝謝!

  • 是的, TPA3251不像TAS5711 通过寄存器配置可以将PWM shut down。
    您这里提到没有输入信号, TAS3251底噪很大的话,首先要确定噪声来源,不是输入信号耦合进去的话,那么排查下电源部分。