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请问OPA445这款放大器的1号和5号管脚是必须要接的吗?如果不接应当如何处理?

Other Parts Discussed in Thread: OPA445

第一次使用OPA445这款放大器,从Datasheet上看到1号和5号管脚是offset trim微调,是一定要接一个变阻器接VEE吗?还是可以直接悬空或者接地就行了?求大神知道,谢谢!