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Step response analysis of third order OpAmps with slew-rate

Hassanpourghadi, M ; Sharif University of Technology | 2013

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  1. Type of Document: Article
  2. DOI: 10.1109/VLSI-SoC.2013.6673250
  3. Publisher: IEEE Computer Society , 2013
  4. Abstract:
  5. Drawing an accurate relationship between settling time and the power consumption of the amplifier is a challenging problem in Switch Capacitor circuits especially when it includes non-linear effects. In this paper, a new method for the estimation of this relationship including both non-linear settling as a result of slew-rate and small signal settling in the 3 rd order amplifier is proposed. The results show that the proposed settling time estimation is more accurate than other conventional methods when it is compared with the circuit level simulations. The proposed method has error smaller than 10% for the third order OpAmp in estimating settling error. This is about two times more accurate that the state of the art in the estimation of settling time of the OpAmps
  6. Keywords:
  7. Circuit-level simulation ; Conventional methods ; Nonlinear effect ; Response analysis ; Settling error ; Settling time ; State of the art ; Switch-capacitor circuit ; Estimation
  8. Source: IEEE/IFIP International Conference on VLSI and System-on-Chip, VLSI-SoC ; 2013 , Pages 62-63 ; 23248432 (ISSN); 9781479905249 (ISBN)
  9. URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6673250