Overview

This text discusses the subcircuits necessary to build a low-voltage operational amplifier. These include rail-to-rail input stages, rail-to-rail output stages, intermediate stages, protection circuitry, and frequency compensation techniques. Of each of these, various implementations are examined. Furthermore, the book discusses realizations in silicon of the resulting amplifiers. The design and implementation of low-voltage bipolar Operational Amplifiers (OpAmps) is fully presented. A low supply voltage is necessary because the tendency towards chip components of smaller dimensions lowers the breakdown voltage of these components. Further, a low supply voltage is favourable because it enables operation of the OpAmp from just one single battery cell. The bipolar technology is chosen, because it is more suited for operation at low-voltages than the MOS technology. This text is intended to be a a reference for professional designers of amplifiers and may be used as a text for advanced courses on the subject.

Full Product Details

Author:   M. Jeroen Fonderie ,  Johan Huijsing
Publisher:   Springer
Imprint:   Springer
Edition:   1993 ed.
Volume:   218
Dimensions:   Width: 15.50cm , Height: 1.20cm , Length: 23.50cm
Weight:   1.050kg
ISBN:  

9780792393177

ISBN 10:   0792393171
Pages:   193
Publication Date:   28 February 1993
Audience:   College/higher education ,  Professional and scholarly ,  Undergraduate ,  Postgraduate, Research & Scholarly
Format:   Hardback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

1.1 Why Use a Low Supply Voltage?.- 1.2 Why Use Bipolar Technology?.- 1.3 Objectives of the Present Work.- 1.4 Design Considerations.- 1.5 Outline of This Book.- 1.6 References.- Input Stages.- 2.1 Complementary Input Stage.- 2.2 Complementary Input Stage with Constant Transconductance.- 2.3 Rail-To-Rail Input Stage at 1 Volt.- 2.4 Input Stage with Extended Input-Voltage Range.- 2.5 References.- Output Stages.- 3.1 Common-Emitter Output Stage.- 3.2 Darlington Output Stage.- 3.3 Widlar Output Stage.- 3.4 Multi-Path-Driven Output Stage.- 3.5 Parallel-Feedback Current Compensation.- 3.6 Conclusions.- 3.7 References.- Other Circuit Parts.- 4.1 Intermediate Stages.- 4.2 Class-AB Current Control-Circuits.- 4.3 Output-Saturation Protection.- 4.4 Output-Current Limiters.- 4.5 Bias Circuit.- 4.6 Conclusions.- 4.7 References.- Frequency Compensation.- 5.1 Simple Miller Compensation.- 5.2 Nested Miller Compensation.- 5.3 Multi-Path-Driven Miller Compensation.- 5.4 Slewing.- 5.5 Conclusions.- 5.6 References.- Realizations.- 6.1 2-V Opamp NE5234.- 6.2 1-V Opamp IS549.- 6.3 Opamps U2010 and U2011.- 6.4 1-V Opamp with 10-MHz Bandwidth.- 6.5 Conclusions.- 6.6 References.- Conclusions.- References.

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