I!) ~c L ~~ ,
FIRST EDITION (Sixth Printing)
HANDBOOK OF OPERATIONAL
This handboak has been compi led by the Applications Engineering Section of Burr-Brown Research Corporation . This section wi II welcome the opportunity of offering its technical assistance in the application of operational amplifiers.
BURR-BROWNRESEARCH CORPORATION 11400 ARI ZONA. 85706
Copyright 1963 Printed in U. $. A.
Copyright by Burr-Brown
diagrams in this handbook are included amplifier applications Although
and are not intended as
constructural in preparing
information. this handbook,
reasonable carehas been taken
no responsibil ity is assumed for inaccuracies presented. Furthermore, such described
or consequences of using information information
does not convey to the purchaser of the amplifiers
any I icense under the patent rights of Burr-Brown Research Corporation or others.
The purpose of this handbook is to provide a single source of information coveringamplifier. amplifiers, the proper design of circuits This manual will be helpful employing the versatile modern operational
to the experienced
user of operational applica-
as well as the new user, in extending
the range of potential
tions in which these devices can be used to advantage. It is assumed that the reader will but no particular The operational certain knowlege ofoperational have a basic knowledge of electronics, amplifiers is needed to use this handbook. subject to themselves is
ampl ifier is treated as a circuit
component inherently amplifiers
rules of operation.
The design of the operational
considered only when necessary to describe their less evident properties. Readers with a working refer directly inspection to the circuit knowlege ofoperational amplifiers will want to and
Those concerned with evaluation
should refer to the section on testing.
Readers whose job functions have amplifiers will want to prois
not previously ceed directly obtained.
brought them in contact with operational through the handbook until
the desired degree of familiarity
Refinements are continuously operational amplifiers,being made in the design and application of application remain the same.
yet the basic principles
Please do not hesitate to contact Burr-Brown at any time with questions or comments arising from the use of this handbook. It is, after all, intended for you, the user.
TABLE OF CONTENTS
Preface SECTION1Operational Amplifier Theory ion
Introduction Computat ion-Contro I-I nstrumentat The Feedback Technique Notation Input Output Chopper Power Summary Electrical Circuit The Ideal Defining and Terminology Terminals Terminals Stabilized Connections of Notation Circuit Notation Operational the Ideal Point Amplifier Operational Restraint Using the Ideal Operational Amplifier Amplifier ModelsAmplifier Notation
1 2 2 3 3 3 4 4 5 5 6 6 6 7 7 8 10 12 12 14 14 15 15 15 17 17 17 19 21
A Summing Circuits
The Desirability Two Important Voltage Inverting Intuitive Current Reactive Integrator Differentiator Voltage Scaling Combining Differential Balanced Ideal-Real Adder Summer Circuit Input Amplifier Follower Non-lnverting
of Feedback Feedback Ampl ifier CircuitsAmpl ifier Analysis Output Elements Techniques
Functions Ampl ifier
Characteristics of Practical Operational Open Loop Characteristics Open Loop Transfer Curve
Open Loop Operation Output Limiting Frequency Dependent Properties Introduction Open Loop Gain and the Bode Plot Bode Plot Construction Closed Loop Gain Stabil ity Compensation...