Smart AD and DA Conversion
While technology evolution is beneficial for digital circuits, it can cause performance limitations for analog circuits. To benefit from the technology evolution for analog circuits as well, the smart concept aims at improving the analog performance by us
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ANALOG CIRCUITS AND SIGNAL PROCESSING Consulting Editor: Mohammed Ismail. Ohio State University
For other titles published in this series, go to www.springer.com/series/7381
Pieter Harpe • Hans Hegt Arthur van Roermund
Smart AD and DA Conversion
123
Dr.ir. Pieter Harpe Holst Centre – IMEC High Tech Campus 31 Eindhoven 5656 AE The Netherlands [email protected] [email protected]
Prof.dr.ir. Arthur van Roermund Department of Electrical Engineering Eindhoven University of Technology Den Dolech 2 Eindhoven 5612 AZ The Netherlands [email protected]
Dr.ir. Hans Hegt Department of Electrical Engineering Eindhoven University of Technology Den Dolech 2 Eindhoven 5612 AZ The Netherlands [email protected]
Series Editors Mohammed Ismail Dept. Electrical and Computer Engineering Ohio State University Neil Avenue 43210 Columbus US [email protected]
Mohamad Sawan Dépt. Génie Informatique Ecole Polytechnique de Montreal H3C 3A7 Montreal CA [email protected]
ISBN 978-90-481-9041-6 e-ISBN 978-90-481-9042-3 DOI 10.1007/978-90-481-9042-3 Springer Dordrecht Heidelberg London New York Library of Congress Control Number: 2010927405 c Springer Science+Business Media B.V. 2010 No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording or otherwise, without written permission from the Publisher, with the exception of any material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Cover design: eStudio Calamar S.L. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Contents
List of symbols and abbreviations
ix
1. INTRODUCTION
1
2. AD AND DA CONVERSION
3
1
Introduction
3
2
Trends in applications
4
3
Trends in technology
5
4
Trends in system design
6
5
Performance criteria
8
6
Conclusion
9
3. SMART CONVERSION
11
1
Introduction
11
2
Smart concept
11
3
Application of the smart concept
15
4
Focus in this work
16
5
Conclusion
17
4. SMART DA CONVERSION
19
1
Introduction
19
2
Area of current-steering DACs
21
3
Correction of mismatch errors
24
4
Sub-binary variable-radix DAC
25 v
vi
SMART AD AND DA CONVERSION
5 6
Design example Conclusion
33 40
5. DESIGN OF A SUB-BINARY VARIABLE-RADIX DAC 1 Schematic design 2 Layout 3 Self-measurement-circuit implementation 4 Experimental results 5 Conclusion
41 41 45 46 47 54
6. SMART AD CONVERSION 1 Introduction 2 Literature review 3 High-speed high-resolution AD conversion 4 Smart calibration 5 Conclusion
57 57 58 60 67 70
7. DESIGN OF AN OPEN-LOOP T&H CIRCUIT 1 Literature review 2 Design goal 3 T&H architecture 4 Sampling core architecture 5 Output buffer architecture 6 T&H design 7 Experimental results 8 Conclusion
73 73 75 75 76 78 88 91 102
8. T&H CALIBRATION 1 Introduction 2 T&H accuracy 3 T&H calibration method 4 Analog correction parameters 5 Digital
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