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从数据手册中可以看到PCM1863 的CMRR的典型值是56dB，那最大值和最小值是多少？我们在设计中需要评估最坏的情况。另外这个CMRR你们原厂是怎么测试的？有没有相关技术文档？
嗯, 这里没有给出最值, 前面就是测试条件.
