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TL3472: TL3472真伪辨别

Part Number: TL3472

如下图所示是从所谓经销商处购买的TL3472,主要应用在电磁铁电流采样电路的电压放大,目前出现挑负载的情况(电磁铁功率大一点就失效).我们原先用的带TI_logo的就正常.

请帮忙看下图示是不是正品,

另外请教如何辨别真伪?

十分感谢!

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