TI大师, 目前做了个TPA3100D2的PCBA,问题如下:
1. 底噪较大。隔耳朵30CM才听不到噪声。当接上平板的耳机线时,底噪会更大。
(原理图都是完全参考DEMO,按照DEMO的图纸LAYOUT的)
2. 开关机时,喇叭有很大的爆破音。特别是这点,请着重解答下。
谢谢!
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