Hello, We do not have long term drift data. However, max drift over 10years at 25C will be approximately equal to the max specification. As an example, Positive Full-Scale Error for the ADC161S626 is +/-0.03%. The Long term drift after 10years at 25C will add another 0.03% to the spec. At the end of 10years and 25C, you would see a worst case Positive Full-Scale Error of +/-0.06%. Please refer to the attached Long-Term Stability presentation for more details. /cfs-file/__key/communityserver-discussions-components-files/73/Long_2D00_Term-Stability.ppt Regards, Keith N. Precision ADC Applications
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