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为什么opa695的datesheet上写道：急可以双电源又可以单电源供电，是不是两种工作模式下，opa695的应用不同呢？
没什么本质不同。。。
补充一下：应该根据自己的应用选择使用单电源还是双电源，若是单电源供电能够满足输入输出需求则不必要用双电源
