A short review of some analog-to-digital converters resolution enhancement methods

•The resolution enhancement schemes of ADC are summarized.•The application scenes and some issues of these methods are analyzed.•Future research directions are discussed. The resolution of the analog-to-digital converter (ADC), i.e. the minimum voltage that ADC can recognize, is an important indicat...

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Bibliographic Details
Published in:Measurement : journal of the International Measurement Confederation 2021-08, Vol.180, p.109554, Article 109554
Main Authors: Zheng, Yanze, Zhao, Yijiu, Zhou, Naixin, Wang, Houjun, Jiang, Dongyu
Format: Article
Language:English
Subjects:
Acquisitions & mergers
Analog to digital conversion
Analog to digital converters
Calibration
Calibration techniques
High resolution architectures
Injunctions
Optimization
Quantization noise
Resolution enhancement
Sigma-Delta ADC
Signal processing
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Summary:•The resolution enhancement schemes of ADC are summarized.•The application scenes and some issues of these methods are analyzed.•Future research directions are discussed. The resolution of the analog-to-digital converter (ADC), i.e. the minimum voltage that ADC can recognize, is an important indicator of ADC performance. In order to improve the accuracy of ADCs, some approaches are proposed to enhance the resolution of ADC. This paper presents a review of ADC resolution enhancement schemes, which includes the introduction of primary features, the explanation of basic principles, as well as their merits, demerits, and trade-offs. It describes a variety of resolution enhancement schemes from different aspects such as signal processing, ADC calibration, and novel acquisition architectures, and analyzes their applicable scenes. Finally, some challenges and issues are briefly summarized, as well as some comments on future work in this field. By reviewing the current literature, we can make recommendations on the design of acquisition system resolution according to the actual requirements.
ISSN:0263-2241
1873-412X
DOI:10.1016/j.measurement.2021.109554