文档介绍：OPERATIONAL AMPLIFIER
SPEED AND
ACCURACY IMPROVEMENT
Analog Circuit Design
with Structural Methodology
by
Vadim V. Ivanov
Texas Instruments, Inc.
and
Igor M. Filanovsky
University of Alberta
KLUWER ACADEMIC PUBLISHERS
NEW YORK, BOSTON, DORDRECHT, LONDON, MOSCOW
eBook ISBN: 1-4020-2517-3
Print ISBN: 1-4020-7772-6
©2004 Kluwer Academic Publishers
New York, Boston, Dordrecht, London, Moscow
Print ©2004 Kluwer Academic Publishers
Dordrecht
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Dedication
To my father Valery Nikolayevich Ivanov
who led and inspired me to e an
engineer
Vadim Ivanov
Contents
Preface ix
Notations xiii
1. Introduction 1
of the book 3
Analog design steps and tools 5
Modern analog processes 8
Trends and requirements of the OpAmp design 9
Essential parameters of bipolar and MOS transistors. 11
Bipolar transistor 11
MOS transistor 16
2. Structural design methodology 21
Consider good circuits only 22
System description and analysis with signal flow graphs 24
Frequency stability in the multiloop system 27
Elementary building cells 29
Summary 34
3. Biasing 37
PTAT biasing circuits 38
MOS gm-matching biasing 42
Negative-TC and zero-TC current generators 45
Current mirrors and sources 49
Subregulated biasing 53
Low-noise bootstrap charge pump 55
Start-up circuits 57
4. OpAmp gain structure, pensation and stability 59
Voltage and current gain boost 65
pensation 70
Rail-to-rail IO OpAmp structure 77
5. Input stage 83
viii
Rail-to-rail input stages with stable gm 86
CMRR/PSRR improvement 88