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.

ADS124S08使用双极性电源供电异常

Other Parts Discussed in Thread: ADS124S08

ADS124S08使用双极性电源供电时,正电源一开始为+2.5V,但是过一两分钟后,电压就会自动升高,电压可以到3.7甚至4V,不过我每次发现电源异常就直接断电了,电路采用的是手册上的推荐电路。+2.5V是用稳压芯片输出的,按理来讲应该是不会变的,我没焊上芯片的时候电压都是正常的,焊上芯片以后就会出现前面说的情况。