使用TINA进行仿真，双电源供电，Vin+=5V ，VIN-=-5v， REF接地，放大倍数结果显示正确。
但是按照仿真电路焊接后，一接上双电源芯片就会发烫冒烟，反复检查过芯片引脚没有弄错，这是什么原因引起的呢？
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