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.

【硬件问题】F2837x_180controlCARD_R1_3原理图中的ADC参考电压滤波问题

对于F2837X的controlCARD的原理图ADC参考电压滤波处有疑问,为什么要串一个电阻再接一个电容到地,手册中也没有提及到要加这个电阻,请问这里的电阻R51到R54起什么作用,是什么原理,能否解释一下。而且R51到R54的阻值是100兆欧姆还是100毫欧姆?原理图见附件。截图如下:

F2837x_180controlCARD_R1_3_SCH_02Oct2015.pdf