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RS485(SN75LBC184)在实际现场应用中出现问题!

Other Parts Discussed in Thread: SN75LBC184

HI TI:

            SN75LBC184为商业级芯片,手册表明使用温度范围0~70℃,我们应用的室外环境温度会达到零下,这种环境温度过低情况下会对SN75LBC184产生什么影响?会把芯片击穿损坏吗?

            若温度不是导致芯片击穿损坏的主要原因,那还会有哪些因素可能会导致芯片损坏呢?我们在实验室测试没有损坏过,只在现场应用时,有时会出现损坏问题。请帮忙分析下原因,非常感谢~