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LM311，NE5532已经是很老的型号，能否有新的型号可以替换？
可以看下OPA1632，或者您将您的选型条件描述一下，以便为您准确的选型？
另外，LM311， NE5532目前还处于active状态中，没有停产。 还是可以继续使用的。
