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MAX31855 EMI\ESD issue tracking

Question asked by Alex_chang on Apr 15, 2014
Latest reply on Apr 15, 2014 by ChrisD.Rama


MAX31855 EMI\ESD issue tracking as below description.

1. The oscilloscope show sawtooth wave between GND and T+.

2. The oscilloscope show  pulse wave between GND and T-.

3. OS output display abnormal temperature reading when the figure touch the end of thermo couple .

How to solve the question?(by IC 、 OPA or other method)

We are look forward to anyone reply.

Many thanks and wish you all the best!!