A High Energy Efficiency and Low Common-Mode Voltage Variation Switching Scheme for SAR ADCs

作者：Zhu, Donglin; Liu, Maliang; Zhu, Zhangming^*

来源：Journal of Circuits, Systems, and Computers, 2018, 27(1): 1850010.

DOI：10.1142/S021812661850010X

• SAR ADC
• switching scheme
• energy saving
• common-mode voltage

In this paper, a high energy saving digital-to-analog converter (DAC) switching scheme with common-mode voltage variation in 1LSB is proposed for successive approximation register (SAR) analog-to-digital converters (ADCs). Based on the third reference (V-cm), split-capacitor technique and complementary switching method, the proposed switching scheme achieves a 99.6% switching energy reduction and a 75% area reduction compared to the conventional architecture, furthermore, the common-mode voltage varies only 1LSB during a conversion cycle.

• 出版日期2018-1
• 单位西安电子科技大学