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mhennessy · 8th Mar 2016, 10:38 am

They are. I believe that G0HZU is referring to thermal hysteresis, which might change things during soldering. I don't immediately spot a value for this on the AD584 datasheet, but by way of example, the LM4040 reference specifies 0.08% after being cycled over the whole temperature range.

8th Mar 2016, 10:38 am	#68
mhennessy Dekatron Join Date: Jul 2007 Location: Evesham, Worcestershire, UK. Posts: 4,244	Re: A precision voltage calibrator They are. I believe that G0HZU is referring to thermal hysteresis, which might change things during soldering. I don't immediately spot a value for this on the AD584 datasheet, but by way of example, the LM4040 reference specifies 0.08% after being cycled over the whole temperature range.