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ADS8861的REF范围是2.5V 至 5V,我的输出是正负1.4V,如果用2.5V基准会损失精度,能否使用2.048的基准,会产生什么后果?
也就是我现在已经损失了0.8位精度了,如果用更低的基准造成的损失更小,我就可以用
ADS8861的REF 推荐范围是2.5V 至 5V, 不推荐使用2.048的基准, 你还可以考虑更换芯片或者增加前级运放对信号预放大