文档介绍:PRACTICAL DESIGN TECHNIQUES
FOR SENSOR
SIGNAL CONDITIONING
a
ACKNOWLEDGMENTS
Thanks are due the many technical staff members of Analog Devices in Engineering and
Marketing who provided invaluable inputs during this project. Particular credit is due the
individual authors whose names appear at the beginning of their material.
Special thanks go to Wes Freeman, Walter G. Jung, Bill Chestnut, and Ed Grokulsky for
thoroughly reviewing the material for content and accuracy.
Judith piled the index, and printing was done by R. R. Donnelley and Sons, Inc.
Walt Kester
1999
Copyright Ó 1999 by Analog Devices, Inc.
Printed in the United States of America
All rights reserved. This book, or parts thereof, must not be reproduced in any form without
permission of the copyright owner.
Information furnished by Analog Devices, Inc., is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices, Inc., for its use.
Analog Devices, Inc., makes no representation that the interconnections of its circuits as
described herein will not infringe on existing or future patent rights, nor do the descriptions
contained herein imply the granting of licenses to make, use, or sell equipment constructed in
accordance therewith.
Specifications are subject to change without notice.
ISBN-0-916550-20-6
PRACTICAL DESIGN TECHNIQUES FOR
SENSOR SIGNAL CONDITIONING
SECTION 1
INTRODUCTION
SECTION 2
BRIDGE CIRCUITS
n Bridge Configurations
n Amplifying and Linearizing Bridge Outputs
n Driving Bridges
SECTION 3
AMPLIFIERS FOR SIGNAL CONDITIONING
n Precision Op Amp Characteristics
n Amplifier DC Error Budget Analysis
n Single Supply Op Amps
n Instrumentation Amplifiers
n Chopper Stabilized Amplifiers
n Isolation Amplifiers
SECTION 4
STRAIN, FORCE, PRESSURE, AND FLOW MEASUREMENTS
n Strain Gages
n Bridge Signal Conditioning Circuits
SECTION 5
HIGH IMPEDANCE SENSORS
n Photodiode Preamplifier Design
pensation of High