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.

我做了一块基于ADS1271的板子,发现短路噪声很大,求问各位大神做出来的板子短路噪声一般在多少?

Other Parts Discussed in Thread: REF3125, ADS1271

测试时,把AINP,AINN和AGND短接在一起,基准源用的是REF3125,MCU读出来的短路噪声数据如上图所示,目测短路噪声的峰峰值差不多到了1mV,这实在是太高了,不知道为何,大神们做出来的板子一般底噪大概可以到什么水平?