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, 1997.
2. B. Razavi, “Design of Analog CMOS Integrated Circuits”, McGraw Hill, 2001.
3. Class Notes and Selected Publications.
4. W. Kester, A. Dialogue , and et. al. "Data Conversion Handbook (Analog Devices)", Newnes Publishers, 2004.
5. B. Razavi, “Principles of Data Conversion System Design”, IEEE Press, 1995.
6. F. Maloberti, "Data Converters", 1st Edition, Springer, 2007.
7. Rudy van de Plassche, "Analog-to-Digital and Digital-to-Analog Converters", 2nd Edition, Kluwer Academic Publishers, 2003.
8. S. Norsworthy, R. Schreier, and G. C. Temes, “Delat-Sigma Data Converter, Theory, Design, and Simulations”, IEEE Press, 1997.
9. R. Schreier andG. C. Temes, “Understanding Delta-Sigma Data Converters”, Wiley-IEEE Press, 2004.
10. M. Gustavsson, J. Jacob Wikner, and N. Nick Tan, "CMOS Data Converters for Communications", Kluwer Academic Publishers, 2000.
11. A. Rodríguez-Vázquez, F. Medeiro, and E. Janssens, “CMOS Telecom Data Converters”, Kluwer Academic Publishers, 2004.
References
Grading
5% لوا هژورپ
10% مود هژورپ
15% موس هژورپ
20% یسلاک یاه نیرمت
50% مرت ناياپ
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
