Dynamic Offset Compensated CMOS Amplifiers
Dynamic Offset-Compensated CMOS Amplifiers describes the theory, design and realization of dynamic offset compensated CMOS amplifiers. It focuses on the design of general-purpose wide-band operational amplifiers and instrumentation amplifiers. Two of
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ANALOG CIRCUITS AND SIGNAL PROCESSING SERIES Consulting Editor: Mohammed Ismail. Ohio State University
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Dynamic Offset Compensated CMOS Amplifiers Johan F. Witte, Kofi A.A. Makinwa, Johan H. Huijsing Delft University of Technology, the Netherlands
Springer Boston/Dordrecht/London
Dr. Johan F. Witte Delft University of Technology Dept. Electrical Engineering Mekelweg 4 2628 CD Delft Netherlands [email protected]
Prof. Kofi A.A. Makinwa Delft University of Technology Dept. Electrical Engineering Mekelweg 4 2628 CD Delft Netherlands [email protected]
Prof. Johan H. Huijsing Delft University of Technology Dept. Electrical Engineering Mekelweg 4 2628 CD Delft Netherlands [email protected]
ISBN 978-90-481-2755-9 e-ISBN 978-90-481-2756-6 DOI 10.1007/978-90-481-2756-6 Springer Dordrecht Heidelberg London New York Library of Congress Control Number: 2009926941 © Springer Science+Business Media B.V. 2009 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. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Preface
.................................................................................................. ix
Acknowledgements .......................................................................
xi
1. Introduction ......................................................................................... 1 1.1 Motivation .............................................................................................. 1 1.2 Offset ...................................................................................................... 3 1.2.1 Drain current mismatch ................................................................. 4 1.2.2 Folded cascode amplifier offset ..................................................... 5 1.2.3 Minimizing offset .......................................................................... 6 1.3 Challenges .............................................................................................. 7 1.4 Organisation of the book ........................................................................ 8 1.5 References ............................................................................................ 10
2. Dynamic Offset Compensation Techniques
............... 13
2.1 Introduction .......................................................................................... 2.2 Auto-zero amplifiers ............................................................................. 2.2.1 Output offset storage ................................................................... 2.2.2 Input offse
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