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我用的是TMS320F28032，在对1.5伏特电压采样时三个通道的ADC采出来都是2200左右，参考电压用的是内部参考（3.3v）,为什么？
你好，请问VREFLO = VSSA吗？另外，最好使用ADC出厂内部校验值，来去除Offset，Gain的误差。
