Low-Energy Switching Method Based on Asymmetric Binary Search Algorithm for SAR ADCs-Reference-Cited by-同舟云学术

Low-Energy Switching Method Based on Asymmetric Binary Search Algorithm for SAR ADCs

Published:2019-08-15 Issue:06 Volume:29 Page:2050087
ISSN:0218-1266
Container-title:Journal of Circuits, Systems and Computers
language:en
Short-container-title:J CIRCUIT SYST COMP

Author:

Qu Weiyue¹²,Zhao Jinqiang³^ORCID,Zhang Zhaofeng²,Mei Niansong²

Affiliation:

1. School of Microelectronics, University of Chinese Academy of Sciences, No. 19 Yuquan Road, Beijing 100000, P. R. China

2. Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 99 Haike Road, Shanghai 021210, P. R. China

3. RDA Microelectronics, No. 690 Bibo Road, Shanghai 021210, P. R. China

Abstract

An area-efficient and low-energy switching method for the successive approximation register (SAR) analogue-to-digital converters (ADCs) is proposed. Unlike most switching methods, the proposed switching method resolves the first three bits by using asymmetric binary search algorithm. Benefiting from the novel reference voltages – [Formula: see text], [Formula: see text](1/4[Formula: see text]), ground, this proposed switching method achieves 87.5% area reduction and 98.71% energy reduction over the conventional method. Furthermore, it also achieves good linearity.

Publisher

World Scientific Pub Co Pte Lt

Subject

Electrical and Electronic Engineering,Hardware and Architecture,Electrical and Electronic Engineering,Hardware and Architecture

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218126620500875

Reference9 articles.

1. A 10-bit 50-MS/s SAR ADC With a Monotonic Capacitor Switching Procedure

2. A 10-bit 100-MS/s Reference-Free SAR ADC in 90 nm CMOS

3. Energy efficient asymmetric binary search switching technique for SAR ADC

4. Low-energy and area-efficient tri-level switching scheme for SAR ADC

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1. A 99.43% Energy Saving Switching Scheme with Asymmetric Binary Search Algorithm for SAR ADCs;Circuits, Systems, and Signal Processing;2020-03-05