用AFE4400作血氧监测,在室温下能正常测试,在做高温试验时,温度到35℃ ,工作几分钟, AFE4400 停止工作,读不出数据,外接无源晶振不起振, AFE两组电压正常 ,
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
应该不是高温的问题
这个芯片的结温最大125度。 电流1mA,功耗才300mW。对应温升才10度左右。