A 20GS/s 8b Time-Interleaved Time-Domain ADC with Input-Independent Background Timing Skew Calibration

doi:10.23919/VLSICircuits52068.2021.9492436

UM > INSTITUTE OF MICROELECTRONICS

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	A 20GS/s 8b Time-Interleaved Time-Domain ADC with Input-Independent Background Timing Skew Calibration
	Minglei Zhang1 ; Yan Zhu1 ; Chi-Hang Chan1 ; Rui P. Martins1,2
	2021-06-13
Conference Name	2021 Symposium on VLSI Circuits
Source Publication	IEEE Symposium on VLSI Circuits, Digest of Technical Papers
Volume	2021-June
Conference Date	13-19 June 2021
Conference Place	Kyoto, Japan
Country	Japan
Publisher	IEEE
Abstract	This paper demonstrates a background timing skew calibration for the time-interleaved (TI) ADCs using a direct time-based estimation to facilitate the input-independent and fast convergence features. It suppresses the timing spurs of a 20GS/s 8× TI-ADC below 50dB at a Nyquist input regardless of the calibrating input condition with 24 calibration cycles. The 8b time-domain TI-ADC achieves a 91.3fJ/conv.-step FoMWalden and >16GHz bandwidth.
Keyword	Background Input Independent Time Domain Adc Time-interleaved Adc Timing Skew Calibration
DOI	10.23919/VLSICircuits52068.2021.9492436
URL	View the original
Language	英語English
Scopus ID	2-s2.0-85111881374
Fulltext Access	View Full-Text via DOI View Full-Text via Scopus
Citation statistics
Document Type	Conference paper
Collection	INSTITUTE OF MICROELECTRONICS DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation	1.University of Macau, State-Key Laboratory of Analog and Mixed-Signal Vlsi, Ime, Macao 2.On leave from Instituto Superior Técnico/Universidade de Lisboa, Lisbon, Portugal
First Author Affilication	University of Macau
Recommended Citation GB/T 7714	Minglei Zhang,Yan Zhu,Chi-Hang Chan,et al. A 20GS/s 8b Time-Interleaved Time-Domain ADC with Input-Independent Background Timing Skew Calibration[C]:IEEE, 2021.
APA	Minglei Zhang., Yan Zhu., Chi-Hang Chan., & Rui P. Martins (2021). A 20GS/s 8b Time-Interleaved Time-Domain ADC with Input-Independent Background Timing Skew Calibration. IEEE Symposium on VLSI Circuits, Digest of Technical Papers, 2021-June.

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