Mismatch-tolerant Capacitor Array Structure for Junction-splitting SAR Analog-to-digital Conversion

A new junction-splitting based SAR ADC with a redundant searching capacitor array structure in 0.13 mu m CMOS process to alleviate capacitor mismatch effects, is presented. The normalized average power has a factor of 0.35 to the conventional SAR ADC at 10-bit conversion accuracy. Statistical experiments show the number of missing codes resulting from the mismatch reduces by 95% for 3% unit-capacitor mismatch ratio, while keeping the conversion energy to that of the conventional JS capacitor array.
Publisher
IEEK PUBLICATION CENTER
Issue Date
2017-06
Language
English
Keywords

ADC; CONVERTERS; CMOS; DAC

Citation

JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, v.17, no.3, pp.387 - 400

ISSN
1598-1657
DOI
10.5573/JSTS.2017.17.3.387
URI
http://hdl.handle.net/10203/225626
Appears in Collection
EE-Journal Papers(저널논문)
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