A modified charging algorithm for comparator-based switched-capacitor circuits
Wong K.-F.; Sin S.-W.; U S.-P.; Martins R.P.
2009-12-01
Conference Name52nd IEEE International Midwest Symposium on Circuits and Systems
Source PublicationMidwest Symposium on Circuits and Systems
Pages86-89
Conference DateAUG 02-05, 2009
Conference PlaceCancun, MEXICO
Abstract

This paper presents a modified charging algorithm for fully-differential comparator-based switched-capacitor (CBSC) circuits by utilizing an additional comparator to compare a variable differential threshold rather than detecting the zero crossing during coarse (E) transfer phase. The large overshoot in the coarse phase can be eliminated such that it relaxes the stringent trade-off between speed and accuracy, which exists in the conventional CBSC circuits. A 1.2-V Sample-and- Hold circuit implemented in 90nm CMOS process is used to demonstrate the effectiveness of this concept. © 2009 IEEE.

DOI10.1109/MWSCAS.2009.5236147
URLView the original
Indexed BySCIE
Language英语
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic
WOS IDWOS:000277574000022
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Citation statistics
Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Faculty of Science and Technology
AffiliationUniversidade de Macau
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Wong K.-F.,Sin S.-W.,U S.-P.,et al. A modified charging algorithm for comparator-based switched-capacitor circuits[C],2009:86-89.
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