期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
期号：MULTICON
页码：756
出版社：S&S Publications
摘要：This paper analyzes the parasitic effects in SAR ADCs. Successive approximation technique in ADC iswell known logic, where in the presented design the linearity analysis of a Successive Approximation Registers (SAR)Analog-to-Digital Converter (ADC) with split DAC structure based on two switching methods: VCM -based switching,Switch to switchback process. The main motivation is to implement design of capacitor array DAC and achieve highspeed with medium resolution using 45nm technology. The other advantage is matching of capacitor can be achievedbetter then resistor. This is verified by behavioural Measurement results of power, speed, resolution, and linearityclearly show the benefits of using VCM -based switching. In the proposed design the SAR ADC is designed in switch toswitchback process such a way that the control module completely control the splitting up of modules, and give anoption to change the speed of operation using low level input bits. A dedicated multiplexer is designed for that purposesystem.
关键词：Linearity analysis; linearity calibration; resolution SAR ADCs; split DAC; VCM-based switching;switch to switch back process and Capacitor based switching
