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LF347必须是双电源供电吗?
您好,
也可以单电源供电,LF347双电源供电范围是± 3.5V ~±18V,因此单电源供电的话,至少是7V;
另外,LF347不是轨至轨输入输出运放,因此使用的使用请注意输入输出范围。