PowerPoint Template

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Data Converter Introduction
Hossein Shamsi
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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

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Course outlines (Contd)

• 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

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References

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.

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Grading
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Motivation
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Data Converter Applications

• Consumer electronics
• Audio, TV, Video
• Digital Cameras
• Automotive control
• Appliances
• Toys
• Communications
• Mobile Phones
• Personal Data Assistants
• Wireless Transceivers
• Routers, Modems

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Data Converter Applications (contd)

• Computing and Control
• Storage media
• Sound Cards
• Data acquisition cards
• Instrumentation
• Lab bench equipment
• Semiconductor test equipment
• Scientific equipment
• Medical equipment

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A/D Converter Application Space
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Example 1

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

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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!

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Example 3