Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications
This book presents the study, design, modulation, optimization and implementation of low power, passive DT-ΣΔMs for use in audio applications. The high gain and bandwidth amplifier normally used for integration in ΣΔ modulation, is replaced by passive, sw
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David Fouto Nuno Paulino
Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications 123
SpringerBriefs in Electrical and Computer Engineering
More information about this series at http://www.springer.com/series/10059
David Fouto • Nuno Paulino
Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications
123
David Fouto Campus da Faculdade de Ciências e Tecnol Universidade Nova de Lisboa Caparica, Portugal
Nuno Paulino Campus da Faculdade de Ciências e Tecnol Universidade Nova de Lisboa Caparica, Portugal
ISSN 2191-8112 ISSN 2191-8120 (electronic) SpringerBriefs in Electrical and Computer Engineering ISBN 978-3-319-57032-7 ISBN 978-3-319-57033-4 (eBook) DOI 10.1007/978-3-319-57033-4 Library of Congress Control Number: 2017942770 © The Editor(s) (if applicable) and The Author(s) 2017 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Printed on acid-free paper This Springer imprint is published by Springer Nature The registered company is Springer International Publishing AG The registered company address is: Gewerbestrasse 11, 6330 Cham, Switzerland
Preface
Digital integrated circuits have increased in importance and use in computational and signal processing fields. Since the world has an analog nature, data converters are needed to interface it to the digital processing core. To keep up with the rising speed of the digital circuits, data converters need to increase in speed and accuracy. Oversampling converters, which work at a sampling frequency many times higher than the Nyquist rate, are able to achieve the required high resolutions, at reasonably high speeds. These converters use a considerable amount of digital circuitry, which is getting cheaper, increasing their popularity in many applications. The objective of the project described in this book is the design of a Sigma Delta Modulator
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