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A high energy-efficiency and low-area switching scheme for SAR ADCs
, Article Analog Integrated Circuits and Signal Processing ; 18 November , 2020 ; Sharifkhani, M ; Yazdani, S. B ; Sharif University of Technology
Springer
2020
Abstract
A high energy-efficiency and low-area switching method is proposed for the successive approximation register analog-to-digital converters. In the proposed scheme, the threshold voltage for comparison is derived from the charge sharing technique and using a voltage source connected to the bottom plates of the digital-to-analogue converter (DAC) capacitors. The switching method achieves an average DAC switching energy and DAC area reduction of 99.15% and 84.27%, respectively, with respect to the conventional method. The differential nonlinearity and integral nonlinearity of the proposed scheme are 0.1288 LSB and 0.1207 LSB, respectively. In addition, in the proposed method, the number of DAC...
A high energy-efficiency and low-area switching scheme for SAR ADCs
, Article Analog Integrated Circuits and Signal Processing ; Volume 106, Issue 2 , 2021 , Pages 449-457 ; 09251030 (ISSN) ; Sharifkhani, M ; Yazdani, S. B ; Sharif University of Technology
Springer
2021
Abstract
A high energy-efficiency and low-area switching method is proposed for the successive approximation register analog-to-digital converters. In the proposed scheme, the threshold voltage for comparison is derived from the charge sharing technique and using a voltage source connected to the bottom plates of the digital-to-analogue converter (DAC) capacitors. The switching method achieves an average DAC switching energy and DAC area reduction of 99.15% and 84.27%, respectively, with respect to the conventional method. The differential nonlinearity and integral nonlinearity of the proposed scheme are 0.1288 LSB and 0.1207 LSB, respectively. In addition, in the proposed method, the number of DAC...