经过电路板的实际测试发现PCM4220的输入范围达不到手册中说的5.6V,测试结果是5.4V;PCM1792A的输出电流也达不到手册中说的7.8mA,实际测试在7.5mA,请问这是什么原因,电路就是按照手册中给出
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1792A我用的128FS,和条件不一样,其余的都一样;不过4220我的环境和标注的是一样的
Hi,
你试试PCM1792A使用规格书的条件看看测得的偏差有多少?
Thanks.