A novel low distortion high linearity CMOS bootstrapped switch

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• 作者：Zhang Zhang (1) (2)
  Mingxin Song (1)
  Chubin Wu (1)
  Guangjun Xie (1) (2)
  
• 关键词：Bootstrapped switch ; Threshold voltage ; Nonlinear distortion ; TN47
• 刊名：Journal of Electronics (China)
• 出版年：2014
• 出版时间：October 2014
• 年：2014
• 卷：31
• 期：5
• 页码：406-410
• 全文大小：230 KB
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  11. Zhangming Zhu, Guangwen Yu, Jingyu Wang, and Yintang Yang. A low distortion bootstrapped switch for 4-Bit MDAC. / Journal of Circuits, / Systems, / and Computers, 22(2013)1, 1250074-1-250074-8. CrossRef
  
• 作者单位：Zhang Zhang (1) (2)
  Mingxin Song (1)
  Chubin Wu (1)
  Guangjun Xie (1) (2)
  
  1. School of Electronic Science & Applied Physics, Hefei University of Technology, Hefei, 230009, China
  2. School of Information Science and Technology, Fudan University, Shanghai, 200433, China
  
• ISSN：1993-0615

文摘

This paper proposes a novel low distortion high linearity CMOS bootstrapped switch, and the proposed switch can alleviate the nonlinear distortion of the on-resistance by eliminating first order signal-dependent variation of the overdrive voltage. Based on a 0.18 m μ standard CMOS process, the simulation results show that at 100 MHz sampling clock frequency and 49 MHz input signal with 2V pp, the proposed switch in differential mode has a Spurious-Free Dynamic Range (SFDR) of 90.1 dB.