Data Converter “Introduction” Hossein Shamsi

Course outlines  Introduction  Motivation  Data Converter Applications  Data Converter Basics (Chapter 1)  Sampling  Quantization  Reconstruction  Static Specifications  Dynamic Specifications  Nyquist-Rate Digital-to-Analog Converters (Chapter 2)  DAC Architectures  Decoder Based  Binary-weighted  Unit-element (thermometer-coded)  Segmented  Solutions to Sinc Rolloff Problem

 Nyquist Rate ADCs (Chapter 3)  Sample & Hold Circuits  Voltage Comparators  Dual-Slope ADC  Flash ADC  SAR ADC  Cyclic ADC  Two-Step ADC  Pipelined ADC  Time Interleaved ADC  Oversampling A/D Conversion (Chapter 4)  Oversampling  Noise Shaping  Delta-Sigma Modulators  Decimation Filter Course outlines (Cont’d)

1.D. Johns and K. Martin, “Analog Integrated Circuit Design”, John Wiley & Sons, B. Razavi, “Design of Analog CMOS Integrated Circuits”, McGraw Hill, Class Notes and Selected Publications. 4.W. Kester, A. Dialogue, and et. al. "Data Conversion Handbook (Analog Devices)", Newnes Publishers, 2004.W. KesterA. Dialogue 5.B. Razavi, “Principles of Data Conversion System Design”, IEEE Press, F. Maloberti, "Data Converters", 1st Edition, Springer, Rudy van de Plassche, "Analog-to-Digital and Digital-to-Analog Converters", 2nd Edition, Kluwer Academic Publishers, S. Norsworthy, R. Schreier, and G. C. Temes, “Delat-Sigma Data Converter, Theory, Design, and Simulations”, IEEE Press, R. Schreier andG. C. Temes, “Understanding Delta-Sigma Data Converters”, Wiley-IEEE Press, 2004.R. SchreierG. C. Temes 10.M. Gustavsson, J. Jacob Wikner, and N. Nick Tan, "CMOS Data Converters for Communications", Kluwer Academic Publishers, A. Rodríguez-Vázquez, F. Medeiro, and E. Janssens, “CMOS Telecom Data Converters”, Kluwer Academic Publishers, 2004.A. Rodríguez-VázquezF. MedeiroE. Janssens References

Grading پروژه اول 5% پروژه دوم 10% پروژه سوم 15% تمرین های کلاسی 20% پايان ترم 50%

Motivation

Data Converter Applications  Consumer electronics  – Audio, TV, Video  – Digital Cameras  – Automotive control  – Appliances  – Toys  Communications  – Mobile Phones  – Personal Data Assistants  – Wireless Transceivers  – Routers, Modems

Data Converter Applications (cont’d)  Computing and Control  – Storage media  – Sound Cards  – Data acquisition cards  Instrumentation  – Lab bench equipment  – Semiconductor test equipment  – Scientific equipment  – Medical equipment

A/D Converter Application Space

Example 1  High performance digital oscilloscopes rely on extremely high performance ADCs  Example  20 GSample/s, 8-bit ADC  10 W Power dissipation

Example 2  A typical cell phone contains:  – 4 Rx ADCs  – 4 Tx DACs Dual Standard, I/Q  – 3 Auxiliary ADCs  – 8 Auxiliary DACs Audio, Tx/Rx power control, Battery charge control display  A total of 19 data converters!

Example 3