Understanding delta-sigma data converters /
Shanthi Pavan, Richard Schreier, Gabor C. Temes.
- Second edition.
- 1 online resource (xiv, 564 pages) : illustrations
- IEEE Press series on microelectronic systems .
Rev. ed. of: Understanding delta-sigma data converters / Richard Schreier, Gabor C. Temes. 2005.
Includes bibliographical references and index.
Table of Contents Preface xiii 1 The Magic of Delta-Sigma Modulation 1
1.1 The Need for Oversampling Converters 1
1.2 Nyquist and Oversampling Conversion by Example 3
8.6 Continuous-Time Delta-Sigma Modulators with Complex NTF Zeros 249
8.7 Modeling of Continuous-Time Delta-Sigma Modulators for Simulation 250
8.8 Dynamic-Range Scaling 253
8.9 Design Example 255
8.10 Conclusions 258
References 258
9 Nonidealities in Continuous-Time Delta-Sigma Modulators 259
9.1 Excess Loop Delay 259
9.2 Time-Constant Variations of the Loop Filter 271
9.3 Clock Jitter in Delta-Sigma Modulators 273
9.4 Addressing Clock Jitter in Continuous-Time Delta-Sigma Modulators 285
9.5 Mitigating Clock Jitter Using FIR Feedback 287
9.6 Comparator Metastability 293
9.7 Conclusions 298
References 298
10 Circuit Design for Continuous-Time Delta-Sigma Modulators 301
10.1 Integrators 302
10.2 The Miller-Compensated OTA-RC Integrator 305
10.3 The Feedforward-Compensated OTA-RC Integrator 306
10.4 Stability of Feedforward Amplifiers 309
10.5 Device Noise in Continuous-Time Delta-Sigma Modulators 312
10.6 ADC Design 316
10.7 Feedback DAC Design 320
10.8 Systematic Design Centering 331
10.9 Loop-Filter Nonlinearities in Continuous-Time Delta-Sigma Modulators 338
10.10 Case Study of a 16-Bit Audio Continuous-Time Delta-Sigma Modulator346
10.11 Measurement Results 358
10.12 Summary 359
References 360
11 Bandpass and Quadrature Delta-Sigma Modulation 363
11.1 The Need for Bandpass Conversion 363
11.2 System Overview 366
11.3 Bandpass NTFs 367
11.4 Architectures for Bandpass Delta-Sigma Modulators 372
11.5 Bandpass Modulator Example 380
11.6 Quadrature Signals 391
11.7 Quadrature Modulation 396
11.8 Polyphase Signal Processing 402
11.9 Conclusions 404
References 405
12 Incremental Analog-to-Digital Converters 407
12.1 Motivation and Trade-Offs 407
12.2 Analysis and Design of Single-Stage IADCs 408
12.3 Digital Filter Design for Single-Stage IADCs 411
12.4 Multiple-Stage IADCs and Extended Counting ADCs 415
12.5 IADC Design Examples 416
12.6 Conclusions 422
References 423
13 Delta-Sigma DACs 425
13.1 System Architectures for Delta-Sigma DACs 425
13.2 Loop Configurations for Delta-Sigma DACs 427
13.3 Delta-Sigma DACs Using Multi-Bit Internal DACs 431
13.4 Interpolation Filtering for Delta-Sigma DACs 438
13.5 Analog Post-Filters for Delta-Sigma DACs 441
13.6 Conclusions 449
References 449
14 Interpolation and Decimation Filters 451
14.1 Interpolation Filtering 452
14.2 Example Interpolation Filter 456
14.3 Decimation Filtering 461
14.4 Example Decimation Filter 463
14.5 Halfband Filters 467
14.5.1 Saramäki Halfband Filter 469
14.6 Decimation for Bandpass Delta-Sigma ADCs 471
14.7 Fractional Rate Conversion 472
14.8 Summary 480
References 480
A Spectral Estimation 483
A.1 Windowing 484
A.2 Scaling and Noise Bandwidth 488
A.3 Averaging 491
A.4 An Example 493
A.5 Mathematical Background 495
References 498
B The Delta-Sigma Toolbox 499
C Linear Periodically Time-Varying Systems 539
C.1 Linearity and Time (In)variance 539
C.2 Linear Time-Varying Systems 541
C.3 Linear Periodically Time-Varying (LPTV) Systems 543
C.4 LPTV Systems with Sampled Outputs 547
References 559
Index 561
This new edition introduces operation and design techniques for Sigma-Delta converters in physical and conceptual terms, and includes chapters which explore developments in the field over the last decade
Includes information on MASH architectures, digital-to-analog converter (DAC) mismatch and mismatch shaping Investigates new topics including continuous-time ΔΣ analog-to-digital converters (ADCs) principles and designs, circuit design for both continuous-time and discrete-time ΔΣ ADCs, decimation and interpolation filters, and incremental ADCs Provides emphasis on practical design issues for industry professionals
About the Author Shanthi Pavan is a Professor of electrical engineering at the Indian Institute of Technology, India, and has been the Editor-In-Chief of the IEEE Transactions on Circuits and Systems, and a Distinguished Lecturer of the IEEE Solid State Circuits Society. He is a Fellow of the Indian National Academy of Engineering.
Richard Schreier was a Division Fellow in Analog Devices Inc. and an Adjunct Professor at the University of Toronto, Canada, when he retired in 2016. From 1991-1997 he was a Professor at Oregon State University.He was named an IEEE Fellow in 2015.
Gabor Temes is a Distinguished Professor Emeritus of the University of California, and Professor in the School of Electrical Engineering and Computer Science at Oregon State University, USA. He is an IEEE Life Fellow and a member of the US National Academy of Engineering.