Will I Damage the PGIA By Applying a Signal Outside of its Range?

Updated Jan 24, 2018

Reported In

Hardware

  • USB-6218

Software

  • LabVIEW

Driver

  • NI-DAQmx

Issue Details

I am applying a signala that has a peak at 10V but I would like to sample it on another channel that is configured to +-200mV. Will this harm the PGIA (Programmable Gain Instrumentation Amplifier)? 

Solution

No, as long as the input signal is within the overvoltage range, the device will not be damaged. However, any value above the selected range will be identified as the max value in the range.

Additional Information

This is generally a concern when measuring signals that are generally contained in a certain amplitude range, but have an occasional peak value that lies outside the range.

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