© 1997

Integrated Audio Amplifiers in BCD Technology


Table of contents

  1. Front Matter
    Pages i-xiv
  2. Marco Berkhout
    Pages 1-15
  3. Marco Berkhout
    Pages 17-61
  4. Marco Berkhout
    Pages 63-96
  5. Marco Berkhout
    Pages 97-136
  6. Marco Berkhout
    Pages 137-202
  7. Marco Berkhout
    Pages 203-206
  8. Back Matter
    Pages 207-210

About this book


Integrated Audio Amplifiers in BCD Technology is the first book to describe the design at Audio Amplifiers using a Bipolar CMOS DMOS (BCD) process. It shows how the combination of the 3 processes, made available by advances in process technology, gives rise to the design of more robust and powerful audio amplifiers which can be more easily implemented in digital and mixed-signal circuits.
Integrated Audio Amplifiers in BCD Technology starts with an introduction to audio amplifiers which includes a comparison of amplifier classes, general design considerations and a list of specifications for integrated audio power amplifiers. This is followed by an extensive discussion of the properties of DMOS transistors which are the key components in BCD technologies. Then the theory and the design of chargepump circuits is considered. In most BCD technologies only n-type DMOS transistors are available. Therefore a boosted supply voltage is required to achieve rail-to-rail output capability which can be generated with a chargepump. The new solutions that are found can also be used for many applications where DC-DC conversion with low output ripple is needed. Finally the design of audio power amplifier in BCD technology is discussed. The design concentrates on a new quiescent control circuit with very high ratio between quiescent current and maximum output current and on the output stage topologies. The problem of controlling the DMOS output transistors over a wide range of currents either saturated or non saturated requires a completely new design of the driving circuits that utilize of the special properties of the DMOS transistor.
Integrated Audio Amplifiers in BCD Technology is essential reading for practising analog design engineers and researchers in the field. It is also suitable as a text for an advanced course on the subject. With a foreword by Ed van Tuijl.


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Authors and affiliations

  1. 1.MESA Research InstituteUniversity of TwenteNetherlands
  2. 2.Philips SemiconductorsNetherlands

Bibliographic information

  • Book Title Integrated Audio Amplifiers in BCD Technology
  • Authors Marco Berkhout
  • Series Title The Springer International Series in Engineering and Computer Science
  • DOI
  • Copyright Information Kluwer Academic Publishers 1997
  • Publisher Name Springer, Boston, MA
  • eBook Packages Springer Book Archive
  • Hardcover ISBN 978-0-7923-8003-0
  • Softcover ISBN 978-1-4613-7787-0
  • eBook ISBN 978-1-4615-6083-8
  • Series ISSN 0893-3405
  • Edition Number 1
  • Number of Pages XIV, 210
  • Number of Illustrations 0 b/w illustrations, 0 illustrations in colour
  • Topics Electrical Engineering
    Signal, Image and Speech Processing
  • Buy this book on publisher's site