A group reset method for energy-efficient SAR ADC switching schemes

被引：7
|
作者：
Xie, Liangbo [1 ]
Nie, Wei [1 ]
Yang, Xiaolong [1 ]
Zhou, Mu [1 ]
机构：
[1] Chongqing Univ Posts & Telecommun, Sch Commun & Informat Engn, 2 Chongwen Rd, Chongqing 400065, Peoples R China
来源：
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 2018年 / 96卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Energy-efficiency; Reset energy; SAR ADC; Reset method; CMOS;
D O I：
10.1007/s10470-018-1201-x
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
By investigating some recently reported switching schemes for successive approximation register (SAR) analogue-to-digital converter, it is found that the reset energy is several times than the switching energy, which significantly reduces the overall energy-efficiency of these switching schemes. In this paper, a simple group reset method is proposed. By grouping capacitors into different groups during the resetting and sampling phase, the reset energy is eliminated, which significantly improves the overall energy-efficiency of SAR ADC.
引用
收藏
页码：183 / 187
页数：5
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