Twice‐input variable‐resolution single‐side switching scheme without reset energy for SAR ADC

Autor:	Bin Tang, Yunfeng Hu, QingMing Huang, Lexing Hu, Chaoyi Chen, Bin Li, Zhaohui Wu
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	analogue integrated circuits analogue‐digital conversion Electrical engineering. Electronics. Nuclear engineering TK1-9971
Zdroj:	Electronics Letters, Vol 60, Iss 20, Pp n/a-n/a (2024)
Druh dokumentu:	article
ISSN:	1350-911X 0013-5194
DOI:	10.1049/ell2.70018
Popis:	Abstract A twice‐input variable‐resolution single‐side switching scheme without reset energy is proposed for successive approximation register (SAR) analogue‐to‐digital converters (ADCs). The proposed switching scheme is based on semi‐resting DAC technology to design a four‐array architecture capable of handling twice the swing of the signal input while reducing the capacitor array size. The technique of top‐plate sampling and monotonic shift is utilized so that no switching energy is generated for the first three comparisons. The proposed scheme utilizes full‐capacitor split, bridged switch, and C‐2C dummy capacitor technology, which reduces average switching energy consumption by 99.8% compared to conventional schemes and enables ADC variable resolution function, making the SAR ADC more suitable for IoT applications.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/d7181605ff0b4c4ab1b71dab4bda59cf Zobrazit plný text záznamu Plný text View record in DOAJ