Analog Interfacing to Embedded Microprocessor Systems: Real World Design (Embedded Technology Series)
Analog Interfacing to Embedded Microprocessors addresses the technologies and methods used in interfacing analog devices to microprocessors, providing in-depth coverage of practical control applications, op amp examples, and much more. A companion to the author's popular Embedded Microprocessor Systems: Real World Design, this new embedded systems book focuses on measurement and control of analog quantities in embedded systems that are required to interface to the real world.
At a time when modern electronic systems are increasingly digital, a comprehensive source on interfacing the real world to microprocessors should prove invaluable to embedded systems engineers, students, technicians, and hobbyists. Anyone involved in connecting the analog environment to their digital machines, or troubleshooting such connections will find this book especially useful. Stuart Ball is also the author of Debugging Embedded Microprocessor Systems, both published by Newnes. Additionally, Stuart has written articles for periodicals such as Circuit Cellar INK, Byte, and Modern Electronics.
* Provides hard-to-find information on interfacing analog devices and technologies to the purely digital world of embedded microprocessors
* Gives the reader the insight and perspective of a real embedded systems design engineer, including tips that only a hands-on professional would know
* Covers important considerations for both hardware and software systems when linking analog and digital devices
Why Read This Book
You will learn how to design reliable analog front-ends that feed microcontrollers and ADCs so your DSP algorithms see clean, accurate data. The book emphasizes practical circuits, measurement techniques, and system‑level tradeoffs (noise, grounding, filtering) that are often missing from purely digital DSP texts.
Who Will Benefit
Embedded and DSP engineers, technicians, or advanced students building measurement/control systems who need to design sensor signal chains and ADC/DAC interfaces.
Level: Intermediate — Prerequisites: Basic circuit theory (resistors, capacitors, op amps), familiarity with microcontrollers and basic digital I/O; basic algebra and comfort reading schematics.
Key Takeaways
- Design sensor conditioning circuits (amplification, excitation, linearization) for a variety of transducers.
- Select and integrate ADCs and DACs, understanding resolution, sampling, conversion types, and architectures.
- Implement effective analog anti-aliasing and signal‑conditioning filters ahead of digitization.
- Mitigate noise, grounding, shielding, and layout issues that degrade measurement accuracy.
- Use op amp building blocks (buffers, instrumentation amplifiers, active filters) in embedded contexts.
- Apply practical measurement, calibration, and testing techniques for embedded analog systems.
Topics Covered
- Introduction: The role of analog interfacing in embedded systems
- Signals, sensors, and transducers: types and characteristics
- Operational amplifier fundamentals and common building blocks
- Analog signal conditioning: amplification, scaling, and linearization
- Data converters: ADC architectures, DACs and selection criteria
- Sampling theory and anti-aliasing filter design for embedded A/D systems
- Multiplexing, sample-and-hold, and front-end switching issues
- Noise sources, measurement uncertainty and improving SNR
- Grounding, shielding, PCB layout and EMC considerations
- Interfacing to microprocessors: buses, timing, and firmware considerations
- Calibration, error budgeting, and system-level testing
- Practical application examples and design recipes
- Appendices: component selection, SPICE examples and reference tables
Languages, Platforms & Tools
How It Compares
Less encyclopedic than The Art of Electronics but much more focused on tying analog circuitry to microprocessor systems; complements Ball's own Embedded Microprocessor Systems: Real World Design by focusing on the analog front-end.
