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ADS7951能否使用3V作为参考源,此时能否使用3.3V作为模拟供电电压?请帮帮我



老工程师建议我使用3V作为参考源时最好用5V供电,3.3V不可以吗 SAR ADC的模拟供电电压一定要大于模拟量的输入最大值一定的范围吗