IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
Time-distributed procedure for fast estimation of effective number of bits during ADC Design
Wei-Liang LinChen-Hao ChangShing-Yan LiangZhi-Xun LiuSiou-Wei Su
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2011 Volume 8 Issue 20 Pages 1703-1709


This work proposes and analyzes an intuitive time-distributed procedure for estimating the effective number of bits (ENOB) of ADCs during the design phase. Two derived numbers, the ENOB lower-bound and the ENOB upper-bound, signal to a designer whether the design has satisfied the desired quality, or either further circuit improvement or a more accurate time-distributed procedure is necessary. The result enables designers to employ the procedure to almost linearly reduce the ENOB simulation waiting time with a controllable loss of accuracy. Two successive approximation register (SAR) ADC designs demonstrate the effectiveness of the procedure, one of which has been manufactured.

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© 2011 by The Institute of Electronics, Information and Communication Engineers
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