A background gain-calibration technique for low voltage pipelined ADCs based on nonlinear interpolation
Li Ding1; Sai-Weng Sin1; Seng-Pan U1; R.P.Martins1
2013
Conference NameIEEE 56th International Midwest Symposium on Circuits and Systems (MWSCAS)
Source Publication2013 IEEE 56th International Midwest Symposium on Circuits and Systems (MWSCAS)
Pages665-668
Conference Date4-7 Aug. 2013
Conference PlaceColumbus, OH, USA
Abstract

In the design of green circuit, the most effective way for low power is to reduce the supply voltage. However, the accuracy of pipelined ADC is limited by the residue amplification. The inaccurate residue amplification is much worse in an ultra-low voltage condition because of the lack of the headroom for transistors in the opamp. This paper describes a new background calibration technique for the pipelined ADCs designed in the ultra-low supply voltage. Based on the Least Mean Square (LMS) algorithm and the digital nonlinear interpolation, the proposed calibration technique corrects the interstage gain error. It is a fully digital approach and only needs very little analog modifications, which increases the design flexibility and reduces the production cycle. © 2013 IEEE.

KeywordDigital Calibration Lms Algorithm Nonlinear Interpolation Pipelined Adcs
DOIhttp://doi.org/10.1109/MWSCAS.2013.6674736
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000333176800167
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.State-Key Laboratory of Analog and Mixed Signal VLSI, Faculty of Science and Technology, University of Macau, Macao, China
2.on leave from Instituto Superior Técnico / TU of Lisbon
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Li Ding,Sai-Weng Sin,Seng-Pan U,et al. A background gain-calibration technique for low voltage pipelined ADCs based on nonlinear interpolation[C],2013:665-668.
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