主题中讨论的其他器件: TPA3138D2
在数据表中、"当 n ü µPot 上电时、它被置于静音模式"、实际上 我们测试的衰减大约为20dB。 即使 我们将 lm1971设置为62db、 衰减也仅为20dB。

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