Design Of Low Voltage Bipolar Operational Amplifiers
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Design Of Low Voltage Bipolar Operational Amplifiers
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Author : M. Jeroen Fonderie
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Design Of Low Voltage Bipolar Operational Amplifiers written by M. Jeroen Fonderie and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Design of Low-Voltage Bipolar Operational Amplifiers discusses the sub-circuits 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 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 favorable 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. The common-mode input voltage of the OpAmp must be able to have any value that fits within the supply voltage range. Input stages are discussed which are able to realize this at supply voltages down to 1.8 V, as well as down to 1 V. The output voltage of the OpAmp must be able to have any value within the supply voltage range. One of the 1 V output stages that is discussed, the multi-path driven output stage, also has a high bandwidth with a high gain. In addition to the input and output stage, the OpAmp comprises an intermediate stage, between the input stage and the output stage, to boost the overall gain of the OpAmp, and a class AB current control. A frequency compensation technique is used to split apart the pole frequencies in the transfer function. A disadvantage of this nested Miller compensation, is that the resulting bandwidth is reduced by a factor of two. A new method, multi-path-driven Miller compensation, which does not have this drawback, is therefore introduced. Several realizations are evaluated and a figure of merit is defined for the performance comparison of the OpAmps. One of the OpAmps operates at a 1 V supply, has a 3.4 MHz bandwidth with a 100 pF load and has a 700 &mgr;A supply current. The book is an excellent reference for professional designers of amplifiers and may be used as a text for advanced courses on the subject.
Design Of Low Voltage Bipolar Operational Amplifiers
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Author : Jeroen Fonderie
language : en
Publisher:
Release Date : 1991
Design Of Low Voltage Bipolar Operational Amplifiers written by Jeroen Fonderie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Operational amplifiers categories.
The Design Of Low Voltage Bipolar Operational Amplifiers
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Author : Joon Son
language : en
Publisher:
Release Date : 1995
The Design Of Low Voltage Bipolar Operational Amplifiers written by Joon Son and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
Compact Low Voltage And High Speed Cmos Bicmos And Bipolar Operational Amplifiers
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Author : Klaas-Jan de Langen
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-14
Compact Low Voltage And High Speed Cmos Bicmos And Bipolar Operational Amplifiers written by Klaas-Jan de Langen and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Technology & Engineering categories.
Compact Low-Voltage and High-Speed CMOS, BiCMOS and Bipolar Operational Amplifiers discusses the design of integrated operational amplifiers that approach the limits of low supply voltage or very high bandwidth. The resulting realizations span the whole field of applications from micro-power CMOS VLSI amplifiers to 1-GHz bipolar amplifiers. The book presents efficient circuit topologies in order to combine high performance with simple solutions. In total twelve amplifier realizations are discussed. Two bipolar amplifiers are discussed, a 1-GHz operational amplifier and an amplifier with a high ratio between the maximum output current and the quiescent current. Five amplifiers have been designed in CMOS technology, extremely compact circuits that can operate on supply voltages down to one gate-source voltage and two saturation voltages which equals about 1.4 V and, ultimate-low-voltage amplifiers that can operate on supply voltages down to one gate-source voltage and one saturation voltage which amounts to about 1.2 V. In BiCMOS technology five amplifiers have been designed. The first two amplifiers are based on a compact topology. Two other amplifiers are designed to operate on low supply voltages down to 1.3 V. The final amplifier has a unity-gain frequency of 200 MHz and can operate down to 2.5 V. Compact Low-Voltage and High-Speed CMOS, BiCMOS and Bipolar Operational Amplifiers is intended for the professional analog designer. Also, it is suitable as a text book for advanced courses in amplifier design.
Analog Circuit Design
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Author : Johan Huijsing
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Analog Circuit Design written by Johan Huijsing and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Computers categories.
Many interesting design trends are shown by the six papers on operational amplifiers (Op Amps). Firstly. there is the line of stand-alone Op Amps using a bipolar IC technology which combines high-frequency and high voltage. This line is represented in papers by Bill Gross and Derek Bowers. Bill Gross shows an improved high-frequency compensation technique of a high quality three stage Op Amp. Derek Bowers improves the gain and frequency behaviour of the stages of a two-stage Op Amp. Both papers also present trends in current-mode feedback Op Amps. Low-voltage bipolar Op Amp design is presented by leroen Fonderie. He shows how multipath nested Miller compensation can be applied to turn rail-to-rail input and output stages into high quality low-voltage Op Amps. Two papers on CMOS Op Amps by Michael Steyaert and Klaas Bult show how high speed and high gain VLSI building blocks can be realised. Without departing from a single-stage OT A structure with a folded cascode output, a thorough high frequency design technique and a gain-boosting technique contributed to the high-speed and the high-gain achieved with these Op Amps. . Finally. Rinaldo Castello shows us how to provide output power with CMOS buffer amplifiers. The combination of class A and AB stages in a multipath nested Miller structure provides the required linearity and bandwidth.
Design Of Low Voltage Low Power Operational Amplifier Cells
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Author : Ron Hogervorst
language : en
Publisher:
Release Date : 2014-01-15
Design Of Low Voltage Low Power Operational Amplifier Cells written by Ron Hogervorst and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.
Frequency Compensation Techniques For Low Power Operational Amplifiers
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Author : Rudy G.H. Eschauzier
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Frequency Compensation Techniques For Low Power Operational Amplifiers written by Rudy G.H. Eschauzier and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Technology & Engineering categories.
Frequency Compensation Techniques for Low-Power Operational Amplifiers is intended for professional designers of integrated amplifiers, emphasizing low-voltage and low-power solutions. The book bridges the gap between the professional designer's needs and available techniques for frequency compensation. It does so by explaining existing techniques and introducing several new techniques including Hybrid Nested Miller compensation, Multipath Miller Zero cancellation and Multipath Conditionally Stable compensation. All compensation techniques are treated in a stage-number-based order, progressing from a single transistor to circuits with six stages and more. Apart from discussing the mathematical basis of the compensation methods, the book provides the reader with the factual information that is required for practicing the design of integrated feedback amplifiers and many worked out examples. What is more, many bipolar and CMOS operational amplifier realizations, along with their measurement results, prove the effectiveness of the compensation techniques in real-life circuits. The text focuses on low-voltage, low-power integrated amplifiers. Many of the presented bipolar circuits operate at supply voltages down to 1V, while several CMOS amplifiers that function correctly just slightly above this voltage are demonstrated. The lowest measured power consumption amounts to 17muW for a class AB CMOS opAmp with 120dB gain. Despite this attention to low voltage and low power, the frequency compensation strategies provided are universally applicable. The fundamental approach followed leads to efficient compensation strategies that are well guarded against the parameter variations inherent to the mass-fabrication of integrated circuits. The book is essential reading for practicing analog design engineers and researchers in the field. It is also suitable as a text for an advanced course on the subject.
Design And Functionality Analysis Of Operational Amplifiers With Rail To Rail Input And Output Capability
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Author : Mingsheng Peng
language : en
Publisher: ProQuest
Release Date : 2007
Design And Functionality Analysis Of Operational Amplifiers With Rail To Rail Input And Output Capability written by Mingsheng Peng and has been published by ProQuest this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Electrical engineering categories.
The operational amplifier (op amp) is a fundamental building block in analog integrated circuit design. For low power-supply voltages, the common-mode input voltage and the output voltage of op amps are always required to be able to swing from the negative power-supply rail to the positive power-supply rail, i.e., rail-to-rail. In this dissertation, op amps with rail-to-rail input and output capability are investigated. This dissertation mainly focuses on the rail-to-rail input stage design. Two different rail-to-rail input stages with a single differential pair and a common-mode adapter are presented. The common-mode adapter is used to shift the common-mode input voltage. Two new common-mode adapters for the input stage with a single differential pair are developed. The first common-mode adapter is based on a pseudo-differential pair, and the second one is based on current subtraction. Three bipolar and two CMOS op amps with rail-to-rail input and output capability are designed. The circuit simulation and chip test results are given in this dissertation. There are many aspects of performance for op amps. With different topologies, op amps may have different performance. One certain op amp may be good at some aspects but poor at others. The General System Performance Theory is a systematic method for system performance analysis. In order to get a single figure of merit, the General System Performance Theory is applied to compare the overall performance of the designed three different bipolar rail-to-rail op amps.
Op Amps For Everyone
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Author : Ron Mancini
language : en
Publisher: Newnes
Release Date : 2003
Op Amps For Everyone written by Ron Mancini and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Technology & Engineering categories.
The operational amplifier ("op amp") is the most versatile and widely used type of analog IC, used in audio and voltage amplifiers, signal conditioners, signal converters, oscillators, and analog computing systems. Almost every electronic device uses at least one op amp. This book is Texas Instruments' complete professional-level tutorial and reference to operational amplifier theory and applications. Among the topics covered are basic op amp physics (including reviews of current and voltage division, Thevenin's theorem, and transistor models), idealized op amp operation and configuration, feedback theory and methods, single and dual supply operation, understanding op amp parameters, minimizing noise in op amp circuits, and practical applications such as instrumentation amplifiers, signal conditioning, oscillators, active filters, load and level conversions, and analog computing. There is also extensive coverage of circuit construction techniques, including circuit board design, grounding, input and output isolation, using decoupling capacitors, and frequency characteristics of passive components. The material in this book is applicable to all op amp ICs from all manufacturers, not just TI. Unlike textbook treatments of op amp theory that tend to focus on idealized op amp models and configuration, this title uses idealized models only when necessary to explain op amp theory. The bulk of this book is on real-world op amps and their applications; considerations such as thermal effects, circuit noise, circuit buffering, selection of appropriate op amps for a given application, and unexpected effects in passive components are all discussed in detail. *Published in conjunction with Texas Instruments *A single volume, professional-level guide to op amp theory and applications *Covers circuit board layout techniques for manufacturing op amp circuits.
Operational Amplifiers
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Author : Johan Huijsing
language : en
Publisher: Springer
Release Date : 2016-07-09
Operational Amplifiers written by Johan Huijsing and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-09 with Technology & Engineering categories.
This proven textbook guides readers to a thorough understanding of the theory and design of operational amplifiers (OpAmps). The core of the book presents systematically the design of operational amplifiers, classifying them into a periodic system of nine main overall configurations, ranging from one gain stage up to four or more stages. This division enables circuit designers to recognize quickly, understand, and choose optimal configurations. Characterization of operational amplifiers is given by macro models and error matrices, together with measurement techniques for their parameters. Definitions are given for four types of operational amplifiers depending on the grounding of their input and output ports. Many famous designs are evaluated in depth, using a carefully structured approach enhanced by numerous figures. In order to reinforce the concepts introduced and facilitate self-evaluation of design skills, the author includes problems with detailed solutions, as well as simulation exercises.