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.

ADS1298开发板原理图为什么使用负电压,比如AVSS地要比AGND地低2.5V



也就是为什么电路设计使用负电压,而且AVSS地要比AGND地低2.5V,AGND已经是0V了