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关于3091并联作为功放的问题

Other Parts Discussed in Thread: BUF634

原理图:

上面的电路有问题吗,电阻全是0805,1/8w的功率的,假设3091输出0.25A,那么1欧的衡流电阻上面也只有0.0625W的功率,然后输出的的负载50w出了问题吗?我输出的波形很诡异,形容不出来,芯片也发烫,求看看原理图是否有问题