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TMS320F28030 ADC Channel are jumping

Other Parts Discussed in Thread: TMS320F28030

Sir,

I am Using TMS320F28030 for Motor Control Application, I am observing strange behavior from the ADC channels , Explained as follows

1. Voltages on ADC channel are Fluctuating, even though the pin is isolated from the PCB, this is checked by scope.

2. It Has been Observed that ADCINB is more Stable compared to ADCINA.


Regards,

Amit Patil