Energy-efficient and reference-free monotonic capacitor switching scheme with fewest switches for SAR ADC

IEICE Electronics Express

Zhangming Zhu¹  Hao Wang¹ 

[1] School of Microelectronics, Xidian University

关键词: energy-efficient;    reference-free;    switching scheme;    DAC;    monotonic;    fewest switches;   

DOI  :  10.1587/elex.12.20141202

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

References(5)Cited-By(2)A novel switching scheme for low energy charge-redistribution digital-to-analog converter (DAC) to be used in successive approximation register (SAR) analogue to-digital converters (ADCs) is presented which requires only 2 references, VREF and ground. With the monotonic capacitor switching procedure and C-2C dummy capacitor, the proposed switching scheme achieves 90.61% less switching energy, 74.7% less area and 41.18% less number of switches compared to conventional architecture, which results in an energy-efficient and switch-fewest switching scheme. Behavioral simulation results prove the effectiveness of the proposed switching scheme.

【 授权许可】

Unknown