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.

TLV320AIC23



给TLV320AIC23各个电源引脚正常供电(如3.3V),芯片资料说VMID=1/2AVDD ,MICBIAS=3/4AVDD。

但是我在实际中并没有测得。我拿别人的开发板的TLV320AIC23音频模块测相应的引脚,VMID,MICBIAS也是没有输出。

求原因。

  (原理图如下附件)