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.
TI工程师您好，
ads1291共模抑制比与频率曲线中，为什么CMRR是负数，我们的理解CMRR应该是正数。
谢谢
您好，
看下面TI手册对模数产品CMRR术语的定义，如下截图，这个比率等于输出的数字信号比上所输入的共模信号的变化量。这个定义可能有区别于其他厂商的定义。
https://www.ti.com/lit/an/sbaa147b/sbaa147b.pdf?ts=1646278855495&ref_url=https%253A%252F%252Fwww.ti.com%252Fsitesearch%252Fen-us%252Fdocs%252Funiversalsearch.tsp%253FlangPref%253Den-US%2526searchTerm%253DSBAA147B%2526nr%253D7
感谢您的回复
