TI技术你们好:
我用到ADS1146芯片采集电压,我的芯片REF电压是0.6163V,芯片工作电压是3.3V。用SPI通信读到是数据计算出来和用电压表测得的值总有误差,最大误差是3mv,误差是线性误差。请问是什么原因导致的呢?如果是需要校准 那么怎么校准呢?
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