在使用ADS1148芯片进行八通道数据采集时遇到的现象,参考电压选择2.048V,AIN0-AIN3转换正常,但是AIN4-AIN7的AD转换值的参考电压好像是1.25V左右,而不是2.048V的参考电压,请问TI员工,这个问题是怎么回事?要怎么解决?
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