A Passive Single-Ended-to-Differential-Converter with SAR ADC Achieving 6.1fJ/Conversion-Step

Mariska van der Struijk; Kevin Pelzers; Pieter Harpe

doi:10.1109/MWSCAS47672.2021.9531821

A Passive Single-Ended-to-Differential-Converter with SAR ADC Achieving 6.1fJ/Conversion-Step

Mariska van der Struijk, Kevin Pelzers, Pieter Harpe

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

2 Citaten (Scopus)

Samenvatting

This paper proposes a passive switched-capacitor single-ended-to-differential-converter (SDC) as a front-end of a differential SAR ADC to enable digitization of single-ended signals. Compared to active SDC solutions or single-ended SAR ADCs, the proposed solution offers the smallest total capacitance as well as best power efficiency and least chip area. A noise analysis further shows that the passive SDC does not result in a noise penalty of the overall system. A prototype implementation in 65nm CMOS achieves a figure-of-merit of 6.1fJ/conversion-step at 20MS/s, while reaching an SNDR of 54.7dB up to Nyquist and occupying a chip area of only 60μm × 36μm.

Originele taal-2	Engels
Titel	2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021 - Proceedings
Uitgeverij	Institute of Electrical and Electronics Engineers
Pagina's	288-291
Aantal pagina's	4
ISBN van elektronische versie	9781665424615
DOI's	https://doi.org/10.1109/MWSCAS47672.2021.9531821
Status	Gepubliceerd - 13 sep. 2021
Evenement	2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021 - Virtual, East Lansing, Verenigde Staten van Amerika Duur: 9 aug. 2021 → 11 aug. 2021

Congres

Congres	2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021
Land/Regio	Verenigde Staten van Amerika
Stad	Virtual, East Lansing
Periode	9/08/21 → 11/08/21

Bibliografische nota

Funding Information:
This work is part of the POSITION-II project funded by the ECSEL Joint Undertaking under grant number Ecsel-783132-Position-II-2017-IA.

Financiering

This work is part of the POSITION-II project funded by the ECSEL Joint Undertaking under grant number Ecsel-783132-Position-II-2017-IA.

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10.1109/MWSCAS47672.2021.9531821

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title = "A Passive Single-Ended-to-Differential-Converter with SAR ADC Achieving 6.1fJ/Conversion-Step",

abstract = "This paper proposes a passive switched-capacitor single-ended-to-differential-converter (SDC) as a front-end of a differential SAR ADC to enable digitization of single-ended signals. Compared to active SDC solutions or single-ended SAR ADCs, the proposed solution offers the smallest total capacitance as well as best power efficiency and least chip area. A noise analysis further shows that the passive SDC does not result in a noise penalty of the overall system. A prototype implementation in 65nm CMOS achieves a figure-of-merit of 6.1fJ/conversion-step at 20MS/s, while reaching an SNDR of 54.7dB up to Nyquist and occupying a chip area of only 60μm × 36μm.",

author = "{van der Struijk}, Mariska and Kevin Pelzers and Pieter Harpe",

note = "Funding Information: This work is part of the POSITION-II project funded by the ECSEL Joint Undertaking under grant number Ecsel-783132-Position-II-2017-IA. ; 2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021 ; Conference date: 09-08-2021 Through 11-08-2021",

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van der Struijk, M, Pelzers, K & Harpe, P 2021, A Passive Single-Ended-to-Differential-Converter with SAR ADC Achieving 6.1fJ/Conversion-Step. in 2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021 - Proceedings. Institute of Electrical and Electronics Engineers, blz. 288-291, 2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021, Virtual, East Lansing, Verenigde Staten van Amerika, 9/08/21. https://doi.org/10.1109/MWSCAS47672.2021.9531821

A Passive Single-Ended-to-Differential-Converter with SAR ADC Achieving 6.1fJ/Conversion-Step. / van der Struijk, Mariska; Pelzers, Kevin ; Harpe, Pieter.
2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021 - Proceedings. Institute of Electrical and Electronics Engineers, 2021. blz. 288-291.

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

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AU - Pelzers, Kevin

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AB - This paper proposes a passive switched-capacitor single-ended-to-differential-converter (SDC) as a front-end of a differential SAR ADC to enable digitization of single-ended signals. Compared to active SDC solutions or single-ended SAR ADCs, the proposed solution offers the smallest total capacitance as well as best power efficiency and least chip area. A noise analysis further shows that the passive SDC does not result in a noise penalty of the overall system. A prototype implementation in 65nm CMOS achieves a figure-of-merit of 6.1fJ/conversion-step at 20MS/s, while reaching an SNDR of 54.7dB up to Nyquist and occupying a chip area of only 60μm × 36μm.

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A Passive Single-Ended-to-Differential-Converter with SAR ADC Achieving 6.1fJ/Conversion-Step

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Congres

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