NDLI: A mixed-signal calibration technology for the pipeline A/D converter

Content Provider	IEEE Xplore Digital Library
Author	Liang Shang-Quan Yin Yong-Sheng Deng Hong-Hui Wang Xiao-Lei Gao Ming-Lun
Copyright Year	2009
Description	Author affiliation: Institute of VLSI design, Hefei University of Technology, Hefei, China (Liang Shang-Quan; Yin Yong-Sheng; Deng Hong-Hui; Wang Xiao-Lei; Gao Ming-Lun)
Abstract	A mixed-signal calibration architecture and algorithm based upon 14bits 1.5b/s pipeline A/D converter is $proposed^{1}.$ The mixed-signal calibration algorithm consists of analog domain calibration and digital domain calibration. The analog-domain calibration algorithm adopts the level shifting technology to shift the input signal to lower voltage range. The digital output is reconstructed in the digital-domain after analog-to-digital conversion. The digital-domain calibration algorithm adopts code-by-code compensation technique and constructs a linear equation by the method of awaiting determined coefficients. An error calibration look-up table is acquired through the digital-domain calibration. A behavioral-level model of 14bits 1.5b/s pipeline ADC with mixed-signal calibration algorithm is established. The results show that the proposed calibration architecture and algorithm can effectively calibrate errors. The INL and DNL are reduced within ±0.5LSB. The SNDR is improved from 30.8dB to 84.5dB, and the ENOB is arrived to 13.74bits.
Starting Page	242
Ending Page	245
File Size	3871044
Page Count	4
File Format	PDF
ISBN	9781424438686
DOI	10.1109/ASICON.2009.5351477
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Calibration Pipelines Analog-digital conversion Very large scale integration Voltage Operational amplifiers Capacitance Table lookup Nonlinear equations Linearity digital-domain calibration the pipeline ADC mixed-signal calibration analog-domain calibration
Content Type	Text
Resource Type	Article

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