现在用的PGA309和24LC16BE(PGA309应用的典型电路4-20mA输出),在校准完成之后零点输出4mA,断电放一段时间,再上电有的时候电流输出值变成0.6mA,然后读取eeprom的值发现程序的标志位变了,原来正确的值应为5449,更改之后的值就不一定是什么值了,请问有没有遇见过同样的问题,可能产生这种情况的原因在哪啊?
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