大家更喜欢用MCU内部ADC还是外接的ADC芯片啊？

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08zfyu1@stu.edu.cn · Answer

喜欢用内部ADC，因为可以很方便使用DMA通道做双缓冲信号采集。但是内部ADC的噪声比较大，就算同精度的ADC转换器，内部和外部的性能也还是有差别的。

laomig · Answer

精度要求不高的，用内部的肯定方便了，还节省成本