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ADS1298: 请问使用双电源或单电源供电的区别在哪里?哪种更有优势

Part Number: ADS1298

我正在使用ads1298做ecg应用,但是不太确定是使用单电源供电还是双电源供电。比如单电源方式给模拟部分供给3v,或者使用双电源方案供给+1.5v和-1.5v。

因此想咨询下两种供电方式的差别和优劣,

期待回复,谢谢