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LM4752TS 生产批次的问题



我公司分批购买了LM4752TS这颗音频功放,芯片上第一行的信息分别如下:

JM44AF;

JM58RA;

54ARD3UE3;

31A0JKUE3;

烦请告知这4批芯片的生产日期。多谢!