LM358ADR Machine phenomenon, 7 feet output-0.3,6 feet 8 feet input is normal; the correct value should be about 7 foot output 2.4. Lot number as shown in the figure, please ask whether it is the original TI genuine product（LM358ADR上机现象，7脚输出-0.3，6脚8脚输入正常；正确值应该是7脚输出2.4左右。批号如图，请问是否为TI原装正品）
