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When I test my circuit, I see much more drift at the output than I would expect based on the offset voltage drift spec. Can you help me understand where this additional drift might be coming from?

I’m using LT6370 as a gain of 100 bridge amplifier, very similar to the application shown on the front page of the datasheet.  My circuit needs to operate over a wide temperature range, so offset drift was a key consideration when I picked LT6370.

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  • LT6370 is an excellent choice for this application.  Instrumentation amplifiers which use an external resistor to set their gain do so in conjunction with other resistors that are integrated inside the amplifier…