请问一下,我按照手册的电路图绘制的,输出的DACCODE怎么调整out输出都没有变化,时间运行长了以后就会烧毁芯片,电源与地短路,想问一下这个问题怎么解决
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把电源的旁路电容去掉看下电源是否还对地短路?
另外,检查下焊接情况,看是否焊接导致对地短路。
因为对地短路要逐一排查,是元器件导致,还是焊接,或PCB板的问题,所以要一一测试。