Analog Devices, Inc. | world leader in high performance signal processing

Application Notes (13)

AN-968: Current Sources: Options and Circuits (pdf, 131 kB)
AN-892: Temperature Measurement Theory and Practical Techniques (pdf, 733 kB)
AN-880: ADC Requirements for Temperature Measurement Systems (pdf, 423 kB)
AN-615: Peak-to-Peak Resolution Versus Effective Resolution (pdf, 70 kB)
This application note describes effective resolution and peak-to-peak resolution and highlights the difference between these two specifications.
AN-607: Selecting a Low Bandwidth (<15 kSPS) Sigma-Delta ADC (pdf, 222 kB)
AN-397: Electrically Induced Damage to Standard Linear Integrated Circuits: (pdf, 149 kB)
The Most Common Causes and the Associated Fixes to Prevent Reoccurrence
AN-389: Using Sigma-Delta Converters-Part 2 (pdf, 590 kB)
When to Use/How to Use Sigma-Delta ADCs; Continuation of Part 1 Discussion.
AN-388: Using Sigma-Delta Converters-Part 1 (pdf, 590 kB)
When to Use/How to Use Sigma-Delta ADCs
AN-347: Shielding and Guarding (pdf, 688 kB)
How to Exclude Interference-Type Noise. What to do and Why to do it-A Rational Approach
AN-311: How to Reliably Protect CMOS Circuits Against Power Supply Overvoltaging (pdf, 217 kB)
AN-283: Sigma-Delta ADCs and DACs (pdf, 1699 kB)
Overview of Sigma-Delta Concepts: Oversampling, Noise Shaping Using the Sigma-Delta Modulator, Digital Filtering and Decimation.
AN-202: An IC Amplifier User’s Guide to Decoupling, Grounding, and Making Things Go Right for a Change (pdf, 76 kB)
AN-101: Cross Plot Generator Allows Quick A/D Converter Evaluation (pdf, 280 kB)

Circuit Note (5)

Technical Articles (7)

Delta-Sigma Rocks RF, As ADC Designers Jump On Jitter
(Electronic Design, 1/12/06)
Home is Where the Heart Is (positioning paper) (pdf, 577 kB)
MS-2210: Designing Power Supplies for High Speed ADC (pdf, 327 kB)
PLC Evaluation Board Simplifies Design of Industrial Process Control Systems
(Analog Dialogue, Vol. 43, April 2009)
Simplifying Design of Industrial Process-Control Systems with PLC Evaluation Boards
PLC evaluation board applications for industrial process-control systems are diverse, ranging from simple traffic control to complex electrical power grids, from environmental control systems to oil-refinery process control.
(Industrial Control DesignLine, 8/24/09 - Part 1 and 9/3/09 - Part 1)
- Part 1
- Part 2
Simplifying Design of Industrial Process-Control Systems with PLC Evaluation Boards (Part 1 of 2)
PLC evaluation board applications for industrial process-control systems are diverse, ranging from simple traffic control to complex electrical power grids, from environmental control systems to oil-refinery process control.
(Industrial Control DesignLine, 8/24/09)
Two Ways to Measure Temperature Using Thermocouples Feature Simplicity, Accuracy, and Flexibility
(Analog Dialogue 44-10, October 2010)

Data Sheets (2)

AD7792/AD7793: 3-Channel, Low Noise, Low Power, 16-/24-Bit Sigma Delta ADC with On-Chip In-Amp and Reference Data Sheet (Rev B, 03/2007) (pdf, 654 kB)
- AD7792/AD7793 Key Sheet (pdf, 151 kB)
  A 6-page, concise, clear and downloadable brief on the AD7792/AD7793.
ADT7320: ±0.25°C Accurate, 16-Bit Digital SPI Temperature Sensor Data Sheet (Rev 0, 12/2012) (pdf, 270 kB)

Design & Integration Files (1)

CN0172 Design & Integration Files (zip, 833 kB)
- Schematic
- Bill of Materials
- Gerber Files
- PADS Files
- Assembly Drawing

Design Calculators (1)

Digital Filter Model Spreadsheets
These spreadsheet tools show the response of the digital filter section of the AD71xx and AD77xx devices based on input parameters.

Design Handbooks (1)

Sensor Signal Conditioning - Temperature Sensors (pdf, 232 kB)

Device Drivers (2)

Documentation (2)

PLC DEMO SYSTEM
UG-138: Evaluating the ADT7320/ADT7420 Temperature Sensors (pdf, 927 kB)

FAQs/RAQs (2)

ADT7320/ADT7420: Digital Temperature Sensors FAQ (pdf, 657 kB)
FAQs for the AD779x family.

Overview (2)

ICs for Programmable Logic Control and Distributed Control Systems (pdf, 976 kB)
Analog Devices leadership in industrial IC technology, with the development of the iCMOS™ and iPolar™ processes, has uniquely defined high voltage and low voltage integration to deliver smaller, higher performance, and more cost effective ICs for industrial systems.
See what 40 years of data acquisition expertise can do for your instrumentation designs.

Product Selection Guide (1)

Sigma Delta ADCs (< 15 kSPS)

Solutions Bulletins (1)

Peak High-speed Performance even at low power. It's why more engineers choose ADI Data Converters.

Tutorials (6)

MT-004: The Good, the Bad, and the Ugly Aspects of ADC Input Noise– Is No Noise Good Noise? (pdf, 342 kB)
MT-022: ADC Architectures III: Sigma-Delta ADC Basics (pdf, 289 kB)
MT-023: ADC Architectures IV: Sigma-Delta ADC Advanced Concepts and Applications (pdf, 936 kB)
MT-031: Grounding Data Converters and Solving the Mystery of (pdf, 144 kB)
MT-101: Decoupling Techniques (pdf, 954 kB)
Two Ways to Measure Temperature Using Thermocouples Feature Simplicity, Accuracy, and Flexibility
(Analog Dialogue 44-10, October 2010)

User Guides (2)

UG-138: Evaluating the ADT7320/ADT7420 Temperature Sensors (pdf, 927 kB)
UG-181: PLC Demo System User Guide (pdf, 541 kB)

Utilities and Conversions (1)

Sigma-Delta ADC Tutorial
An interactive illustration showing the behavior of an idealized sigma-delta A/D converter.

Videos (2)

ADT7320 / ADT7420: High Accuracy Digital Temp Sensors
The ADT7320 (SPI I/F) and the ADT7420 (I2C I/F) are high accuracy digital temperature sensors that offer 0.25C accuracy from -20C to 105C. No calibration is required for these 16 bit resolution temperature sensors.
Thermocouple 101: What is a Thermocouple?
Thermocouple 101 is a whiteboard series consisting of 8 informative videos that cover a wide range of Thermocouple related topics.

Analog Dialogue (1)

PLC Evaluation Board Simplifies Design of Industrial Process Control Systems
(Analog Dialogue, Vol. 43, April 2009)

SUPPLEMENTAL RESOURCES - CN0172: High Accuracy Multichannel Thermocouple Measurement Solution

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