[quote user="Atul Bhakay"] Typical DAC O/P will be around 1.8 V dc in our application . We found that it drifts ( reduces) after run of a week time. [/quote] Drifts? How much? Please be specific. Are you sure that only factor that is changing - it's DAC drift?Are you sure that DAC reference voltage does not drift? How do you measure? What instrument used? If reference is ok, the it could be just DAC temperature drift which is specified in the datasheet as 10ppm/C, you shall note also 30uV/C offset drift. [quote user="Atul Bhakay"]Does 1nf CLoad affect it.[/quote] No. Unless it has significant leakage which increases after week.
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