CMOS DATA CONVERTERS
FOR COMMUNICATIONS
THE KLUWER INTERNATIONAL SERIES
IN ENGINEERING AND COMPUTER SCIENCE
ANALOG CIRCUITS AND SIGNAL PROCESSING
Consulting Editor: Mohammed Ismail. Ohio State University
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CMOS DATA CONVERTERS
FOR COMMUNICATIONS
by
Mikael Gustavsson
GlobeSpan, Inc.
J. Jacob Wikner
Ericsson Components AB
and
Nianxiong Nick Tan
GlobeSpan, Inc.
KLUWER ACADEMIC PUBLISHERS
NEW YORK, BOSTON, DORDRECHT, LONDON, MOSCOW
eBook ISBN:
Print ISBN:
0-306-47305-4
0-792-37780-X
©2002 Kluwer Academic Publishers
New York, Boston, Dordrecht, London, Moscow
All rights reserved
No part of this eBook may be reproduced or transmitted in any form or by any means, electronic,
mechanical, recording, or otherwise, without written consent from the Publisher
Created in the United States of America
Visit Kluwer Online at:
and Kluwer's eBookstore at:
http://www.kluweronline.com
http://www.ebooks.kluweronline.com
To the late Vanja Gustavsson
Mikael Gustavsson
To Ulrica and my family
J Jacob Wikner
To Regina and Diana
N. Nick Tan
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CONTENTS
Preface
Abbreviations and Acronyms
1 CHARACTERIZATION OF DATA CONVERTERS
1.1
1.2
1.3
1.4
1.5
Differential Nonlinearity (DNL)
Integral Nonlinearity (INL)
Offset Error
Gain Error
Monotonicity
Introduction
The Ideal Data Converter
Quantization
Static Performance
1.4.1
1.4.2
1.4.3
1.4.4
1.4.5
Dynamic Performance
1.5.1
1.5.2
1.5.3
1.5.4
1.5.5
Settling Errors in DACs
Glitches in DACs
Clock Feedthrough (CFT) in DACs
Sampling Time Uncertainty in DACs
Dynamic Errors in ADCs
1.6 Frequency Domain Measures
Signal-to-Noise Ratio (SNR)
Spurious Free Dynamic Range (SFDR)
Harmonic Distortion (HDk)
Total Harmonic Distortion (THD)
Signal-to-Noise and Distortion Ratio (SNDR)
1.6.1
1.6.2
1.6.3
1.6.4
1.6.5
1.6.6 Effective Number Of Bits (ENOB)
1.6.7 Peak SNDR
1.6.8 Dynamic Range (DR)
1.6.9 Effective Resolution Bandwidth (ERB)
1.6.10
1.6.11
1.6.12
Intel-Modulation Distortion (IMD)
SNR with Multi-Tone Input
Multi-Tone Power Ratio (MTPR)
1.7 Summary
xv
xix
1
1
1
6
9
13
17
25