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THS3091使用

Other Parts Discussed in Thread: THS3091

THS3091好像烧了。引脚3和4或6和7是通的,不知道怎么回事。用的正负15V的电源。没有放大,没有输入的输入时,输出就有一个直流,大概7到8V。测引脚,引脚6、7是通的,芯片还特烫。THS3091使用有什莫要注意的地方吗?