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Differences between the run-to-run variations and random variations between devices

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qiushidaren

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Hi all!
What’s the difference between the “run-to-run variations” and “random variations between devices” which are the issues of resistor matching?
 

Risistor Mismatching

The latter is mismatching.
Run-to-run variations are difference between different runs. Random variations are difference between devices in same run, same wafer, or same dice. The variations in same dice is device mismatching.
 

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