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ADC128S102-SEP: Va電壓選擇

Part Number: ADC128S102-SEP

Hi Sir,

我們打算使用ADC128S102-SEP在我們的電路中去偵測電壓,我們需要偵測的電壓是5V +-5%,想要確認的是我的Va需要高於待測電壓多少呢?還是說可以相等?

MCU端的IO是3.3V,依照datasheet來看Vd使用相同的3.3V電壓源就好,不用獨立一組REF電源對嗎?

謝謝

Vincent