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ADS1118读取内部温度传感器温度值偏高,相对实际板上的温度偏高几度,这样正常吗,有什么原因导致偏高呢?
1118的内部温度传感器是读取芯片的内部的温度,不是实际板卡上的温度。这两个温度之间是有差异的。PCB板上的温度也是有差异的,比如功耗大的芯片,通风差的芯片附近的温度就高。所以才会要求热仿真做出温度梯度曲线