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有个项目拟打算使用ADS1220，有个方案设想不知能不能存立。
要求ADS1220能同时测量热电偶和热电阻。当测量热电偶时用内部电压基础；当测量热电阻时，采用比例测量。基准电压选择通过内部寄存器切换。ADS1220采用正负2.5V电源供电。
感觉这个方案是可行的, 只是软件上需要对不同传感器的识别的算法. 最好是能够自动识别后自动切换配置
