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Analog Circuits and Signal Processing

Switched-Capacitor Techniques for High-Accuracy Filter and ADC Design

Authors: Quinn, Patrick J., van Roermund, Arthur

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  • Explains limitations and trade-offs of designing accurate CMOS switched-capacitor circuits both at system level and at basic circuit level
  • New techniques allow higher intrinsic functional accuracy beyond the accuracy of component matching alone
  • Explores real-world applications requiring accurate high-Q filters and accurate stage transfers in algorithmic ADCs
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About this book

Switched capacitor (SC) techniques are well proven to be excellent candidates for implementing critical analogue functions with high accuracy, surpassing other analogue techniques when embedded in mixed-signal CMOS VLSI. Conventional SC circuits are primarily limited in accuracy by a) capacitor matching and b) the accuracy with which a differential amplifier can squeeze charge from one capacitor to another between clock periods.

In Switched-Capacitor Techniques for High-Accuracy Filter and ADC Design, alternative SC techniques are proposed which allow the achievement of higher intrinsic analogue functional accuracy than previously possible in such application areas as analogue filter and ADC design. The design philosophy is to create the required functionality without relying on digital calibration or correction means but instead to develop methods which have reduced dependence on both component matching (especially capacitor matching) and parasitic effects (especially parasitic capacitance). However, the proposed techniques are just as amenable to further digital accuracy enhancement via calibration and/or correction as traditional methods. Two popular application areas are explored in the course of this book for exploitation of the proposed techniques, viz. SC filters and algorithmic ADCs - both cyclic and pipelined. Furthermore, efficient system level design procedures are explored in each of these two areas.

The validity of the concepts developed and analyzed in Switched-Capacitor Techniques for High-Accuracy Filter and ADC Design has been demonstrated in practice with the design of CMOS SC bandpass filters and algorithmic ADC stages. For example, a 10.7MHz radio IF selectivity filter integrated in standard CMOS, employing the proposed methods, achieves an accuracy greater than ceramic filters. Another example is an ADC with better than 12-bit intrinsic accuracy, albeit capacitors with only 9-bits matching accuracy were used in the realization. The ADC architecture is also very robust and proven in an embedded digital VLSI application in the very newest 65nm CMOS. The power consumptions and silicon areas of the solutions proposed here are lower than other known solutions from the literature.

About the authors

Professor Arthur van Roermund has (co-)authored and edited numerous books for Springer and he is well established within the Analog Circuit Design community

Table of contents (10 chapters)

Table of contents (10 chapters)
  • Introduction

    Pages 1-8

  • Key Concepts for Accurate SC Design

    Pages 9-15

  • SC Amplifier Design at Black-Box Level

    Pages 17-36

  • Amplifier Architectures for SC Applications

    Pages 37-76

  • Low-Sensitivity SC BPF Concepts

    Pages 77-106

Buy this book

eBook $119.00
price for USA in USD
  • ISBN 978-1-4020-6258-2
  • Digitally watermarked, DRM-free
  • Included format: PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $199.99
price for USA in USD
  • ISBN 978-1-4020-6257-5
  • Free shipping for individuals worldwide
  • Immediate ebook access, if available*, with your print order
  • Usually dispatched within 3 to 5 business days.
Softcover $159.99
price for USA in USD
  • ISBN 978-90-481-7585-7
  • Free shipping for individuals worldwide
  • Immediate ebook access, if available*, with your print order
  • Usually dispatched within 3 to 5 business days.
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Bibliographic Information

Bibliographic Information
Book Title
Switched-Capacitor Techniques for High-Accuracy Filter and ADC Design
Authors
Series Title
Analog Circuits and Signal Processing
Copyright
2007
Publisher
Springer Netherlands
Copyright Holder
Springer Science+Business Media B.V.
eBook ISBN
978-1-4020-6258-2
DOI
10.1007/978-1-4020-6258-2
Hardcover ISBN
978-1-4020-6257-5
Softcover ISBN
978-90-481-7585-7
Series ISSN
1872-082X
Edition Number
1
Number of Pages
XVIII, 244
Topics

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