MIXED-SIGNAL AND DSP DESIGN TECHNIQUES

Transcription

1 MIXED-SIGNAL AND DSP DESIGN TECHNIQUES INTRODUCTION SECTION 1 SAMPLED DATA SYSTEMS SECTION 2 ADCs FOR DSP APPLICATIONS SECTION 3 DACs FOR DSP APPLICATIONS SECTION 4 FAST FOURIER TRANSFORMS SECTION 5 DIGITAL FILTERS SECTION 6 DSP HARDWARE SECTION 7 INTERFACING TO DSPs SECTION 8 DSP APPLICATIONS SECTION 9 HARDWARE DESIGN SECTION 10 TECHNIQUES INDEX

2 ANALOG DEVICES TECHNICAL REFERENCE BOOKS PUBLISHED BY PRENTICE HALL Analog-Digital Conversion Handbook Digital Signal Processing Applications Using the ADSP-2100 Family (Volume 1:1992, Volume 2:1994) Digital Signal Processing in VLSI DSP Laboratory Experiments Using the ADSP-2101 ADSP-2100 Family User's Manual PUBLISHED BY ANALOG DEVICES Practical Design Techniques for Sensor Signal Conditioning Practical Design Techniques for Power and Thermal Management High Speed Design Techniques Practical Analog Design Techniques Linear Design Seminar ADSP Family Applications Handbook System Applications Guide Amplifier Applications Guide Nonlinear Circuits Handbook Transducer Interfacing Handbook Synchro & Resolver Conversion THE BEST OF Analog Dialogue,

3 HOW TO GET INFORMATION FROM ANALOG DEVICES Analog Devices publishes data sheets and a host of other technical literature supporting our products and technologies. Follow the instructions below for worldwide access to this information. FOR DATA SHEETS U.S.A. and Canada Fax Retrieval. Telephone number Call this number and use a faxcode corresponding to the data sheet of your choice for a fax-on-demand through our automated AnalogFax system. Data sheets are available 7 days a week, 24 hours a day. Product/faxcode cross reference listings are available by calling the above number and following the prompts. There is a short index with just part numbers, faxcodes, page count and revision for each data sheet (Prompt # 28). There is also a longer index sorted by product type with short descriptions (Prompt #29). World Wide Web and Internet. Our address is Use the browser of your choice and follow the prompts. We also provide extensive DSP literature support on an Internet FTP site. Type ftp:// ftp.analog.com or ftp Log in as anonymous using your address for your password. Analog Devices Literature Distribution Center. Call and select option two from the voice prompts, or call for direct access, or fax your request to Analog Devices Southeast Asia Literature Distribution Centre. Fax requests to address is analog@mbox5.singnet.com.sq. Europe and Israel World Wide Web. Our address is use the browser of your choice and follow the prompts. Analog Devices Sales Offices. Call your local sales office and request a data sheet. A Worldwide Sales Directory including telephone listings is on pp of the 1999 Winter Short Form Designers' Guide. DSP Support Center. Fax requests to ** or dsp.europe@analog.com.

4 India Call or fax and request the data sheet of interest. Other Locations World Wide Web. Our address is Use the browser of your choice and follow the prompts. Analog Devices Sales Offices. Call your local sales office and request a data sheet. A Worldwide Sales Directory including telephone numbers is listed on the back cover of the 1997 Short Form Designers' Guide. TECHNICAL SUPPORT AND CUSTOMER SERVICE In the U.S.A. and Canada, call 800-ANALOGD, ( ). For technical support on all products, select option one, then select the product area of interest. For price and delivery, select option three. For literature and samples, select option two. Non-800 Number:

5 MIXED-SIGNAL AND DSP DESIGN TECHNIQUES a

6 ACKNOWLEDGMENTS Thanks are due the many technical staff members of Analog Devices in Engineering and Marketing who provided invaluable inputs during this project. Particular credit is due the individual authors whose names appear at the beginning of their material. Special thanks go to Wes Freeman, Ed Grokulsky, Bill Chestnut, Dan King, Greg Geerling, Ken Waurin, Steve Cox, and Colin Duggan for reviewing the material for content and accuracy. Judith Douville compiled the index. Copyright 2000 by Analog Devices, Inc. Printed in the United States of America Walt Kester 2000 All rights reserved. This book, or parts thereof, must not be reproduced in any form without permission of the copyright owner. Information furnished by Analog Devices, Inc., is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices, Inc., for its use. Analog Devices, Inc., makes no representation that the interconnections of its circuits as described herein will not infringe on existing or future patent rights, nor do the descriptions contained herein imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. ISBN

7 SECTION 1 INTRODUCTION MIXED-SIGNAL AND DSP DESIGN TECHNIQUES SECTION 2 SAMPLED DATA SYSTEMS Discrete Time Sampling of Analog Signals ADC and DAC Static Transfer Functions and DC Errors AC Errors in Data Converters DAC Dynamic Performance SECTION 3 ADCs FOR DSP APPLICATIONS Successive Approximation ADCs Sigma-Delta ADCs Flash Converters Subranging (Pipelined) ADCs Bit-Per-Stage (Serial, or Ripple) ADCs

8 SECTION 4 DACs FOR DSP APPLICATIONS DAC Structures Low Distortion DAC Architectures DAC Logic Sigma-Delta DACs Direct Digital Synthesis (DDS) SECTION 5 FAST FOURIER TRANSFORMS The Discrete Fourier Transform The Fast Fourier Transform FFT Hardware Implementation and Benchmarks DSP Requirements for Real Time FFT Applications Spectral Leakage and Windowing

9 SECTION 6 DIGITAL FILTERS Finite Impulse Response (FIR) Filters Infinite Impulse Response (IIR) Filters Multirate Filters Adaptive Filters SECTION 7 DSP HARDWARE Microcontrollers, Microprocessors, and Digital Signal Processors (DSPs) DSP Requirements ADSP-21xx 16-Bit Fixed-Point DSP Core Fixed-Point Versus Floating Point ADI SHARC Floating Point DSPs ADSP-2116x Single-Instruction, Multiple Data (SIMD) Core Architecture TigerSHARC : The ADSP-TS001 Static Superscalar DSP DSP Benchmarks DSP Evaluation and Development Tools

10 SECTION 8 INTERFACING TO DSPs Parallel Interfacing to DSP Processors: Reading Data From Memory-Mapped Peripheral ADCs Parallel Interfacing to DSP Processors: Writing Data to Memory-Mapped DACs Serial Interfacing to DSP Processors Interfacing I/O Ports, Analog Front Ends, and Codecs to DSPs DSP System Interface SECTION 9 DSP APPLICATIONS High Performance Modems for Plain Old Telephone Service (POTS) Remote Access Server (RAS) Modems ADSL (Assymetric Digital Subscriber Line) Digital Cellular Telephones GSM Handset Using SoftFone Baseband Processor and Othello Radio Analog Cellular Basestations Digital Cellular Basestations

11 Motor Control Codecs and DSPs in Voiceband and Audio Applications A Sigma-Delta ADC with Programmable Digital Filter SECTION 10 HARDWARE DESIGN TECHNIQUES Low Voltage Interfaces Grounding in Mixed Signal Systems Digital Isolation Techniques Power Supply Noise Reduction and Filtering Dealing with High Speed Logic INDEX

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13 MIXED-SIGNAL AND DSP DESIGN TECHNIQUES INTRODUCTION SECTION 1 SAMPLED DATA SYSTEMS SECTION 2 ADCs FOR DSP APPLICATIONS SECTION 3 DACs FOR DSP APPLICATIONS SECTION 4 FAST FOURIER TRANSFORMS SECTION 5 DIGITAL FILTERS SECTION 6 DSP HARDWARE SECTION 7 INTERFACING TO DSPs SECTION 8 DSP APPLICATIONS SECTION 9 HARDWARE DESIGN SECTION 10 TECHNIQUES INDEX

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