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INA2132: 管脚电阻实测值与内部标称不一致

Part Number: INA2132

根据内部结构图,裸片量得电阻pin2-12为80KΩ,pin3-14量不出电阻,反倒在pin3-1量出80KΩ,另一半片情况一样。

我想问一下是我不应该这样量还是datasheet有问题?

PS:AD8277结构类似,量出的电阻就没问题。