Dynamic-Mismatch Mapping for Digitally-Assisted DACs by Yongjian Tang Hans Hegt & Arthur Roermund

Author:Yongjian Tang, Hans Hegt & Arthur Roermund
Language: eng
Format: epub
Publisher: Springer New York, New York, NY

[58] JSSC’07

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SMM (change switching sequence)

2.2

Several concepts of one-dimensional mapping for timing errors have been proposed in [38, 59, 60]. Similar to static-mismatch mapping, mapping for timing errors optimizes the switching sequence by sorting timing errors such that the dynamic performance can be improved. As mentioned before, the DAC’s dynamic performance is affected by both amplitude and timing errors. Just mapping for amplitude errors or just mapping for timing errors is not enough to guarantee a good performance at high frequencies. Therefore, multi-dimensional mapping techniques are required to calibrate both amplitude and timing errors at the same time.

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