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10mA交流小信号电流如何用运放转换成5A的交流大电流信号?

10mA交流小信号电流如何用运放转换成5A的交流大电流信号?频率50-60HZ,要求线性度比较好,请问下选用什么要运放比较好,运放采用几级放大适合,能否提供具体的运放型号?谢谢