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AD7705受干扰问题

Other Parts Discussed in Thread: ADS1118, PGA280, ADS1259

您好,为什么AD7705应用中,对电源进行快速电脉冲试验时。AD7705极易读出65535或者0,是我程序有问题还是PCB做的不行?程序中最开始是初始化一次(写复位脉冲及写寄存器),然后发现模数值容易变成65535,结束脉冲后还回不来,然后我现在把软件改为每读一次AD都会初始化一次,现在的现象好一点点,到底应该怎么样才可以??谢谢您。