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请教 OPA2604 发热问题



 用OPA2064AU(soic封装)做一测试电路,两个运放做两级跟随,芯片温度很快就飙到70度以上,请问这个是正常的么?网上说OPA2604发热是比较厉害,是这样的么?附件是几张实验图片(怎么插不进图片...)

实验图片.zip