Energy-efficient switching scheme for SAR ADC using zero-energy dual capacitor switching

被引：0
|
作者：
Seung-Uk Baek
Kang-Yoon Lee
Minjae Lee
机构：
[1] Gwangju Institute of Science and Technology (GIST),School of Electrical Engineering and Computer Science
[2] Sungkyunkwan University,College of Information and Communication Engineering
来源：
Analog Integrated Circuits and Signal Processing | 2018年 / 94卷
关键词：
SAR ADC; Capacitor switching; Low-power consumption;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An energy-efficient capacitor switching scheme is presented for a successive approximation register analogue-to-digital converter. The new switching method removes the switching energy loss in the first three comparison cycles and significantly reduces the power consumption in the fourth bit cycle, by combining the negative switching and the energy-efficient up-transition. In addition, a low-power monotonic procedure is implemented for the rest of bit-cycles. The proposed switching technique improves the average switching energy efficiency by 99.31% and reduces the total capacitance size by 75% compared with a conventional binary-search algorithm.
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收藏
页码：317 / 322
页数：5
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