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Application Notes (19)

AN-0971: Recommendations for Control of Radiated Emissions with isoPower Devices (pdf, 406 kB)
AN-968: Current Sources: Options and Circuits (pdf, 131 kB)
AN-913: Isolating I²C Interfaces (pdf, 280 kB)
AN-880: ADC Requirements for Temperature Measurement Systems (pdf, 423 kB)
AN-825: Power Supply Considerations in iCoupler Isolation Products (pdf, 181 kB)
AN-793: ESD/Latch-Up Considerations with iCoupler® Isolation Products (pdf, 246 kB)
AN-770: iCoupler® Isolation in CAN Bus Applications (pdf, 234 kB)
AN-740: iCoupler® Isolation in RS-232 Applications (pdf, 716 kB)
AN-727: iCoupler® Isolation in RS-485 Applications (pdf, 282 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 (11)

Technical Articles (10)

Delta-Sigma Rocks RF, As ADC Designers Jump On Jitter
(Electronic Design, 1/12/06)
High Speed Digital Isolators Using Microscale On-Chip Transformers (pdf, 2717 kB)
By Baoxing Chen, John Wynne, and Ronn Kliger
iCoupler® Products with isoPower™ Technology: Signal and Power Transfer Across Isolation Barrier Using Microtransformers (pdf, 1306 kB)
By Baoxing Chen
Inside iCoupler® Technology:ADuM347x PWM Controller and Transformer Driver with Quad-Channel Isolators Design Summary (pdf, 291 kB)
By Flow Zhao, Design Engineer
Micro-Transformers Provide Signal and Power Isolation for Hybrid Electric Vehicles (pdf, 234 kB)
By Baoxing Chen, Sr. Staff Engineer, Analog Devices, Inc.
MS-2210: Designing Power Supplies for High Speed ADC (pdf, 327 kB)
NAppkin Note: Lowering the Power of the ADuM524x (pdf, 223 kB)
By Mark Cantrell, Senior Applications Engineer
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)

Data Sheets (4)

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.
ADR440/ADR441/ADR443/ADR444/ADR445: Ultralow Noise, LDO XFET Voltage References with Current Sink and Source Data Sheet (Rev E, 11/2010) (pdf, 522 kB)
ADuM5401/ADuM5402/ADuM5403/ADuM5404: Quad-Channel Isolators with Integrated DC-to-DC Converter Datasheet (Rev C, 06/2012) (pdf, 684 kB)
ADuM5401W/ADuM5402W/ADuM5403W: Quad-Channel Isolators with Integrated DC-to-DC Converter Data Sheet (Rev D, 04/2013) (pdf, 445 kB)

Design Calculators (2)

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.
Voltage Reference Selection & Evaluation Wizard

Device Drivers (2)

Documentation (2)

FAQs/RAQs (25)

IBIS Models (1)

ADuM5401 IBIS Model (A and C Grades)
- ADuM5401.ibs
- ADuM5401_3v.ibs

Overview (5)

2008 Medical Solution Profile (pdf, 126 kB)
High Performance ICs for Medical Imaging, Patient Monitoring, and Instrumentation
iCoupler Digital Isolators Qualified for Automotive Applications
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.
isoPower® - Isolated dc-to-dc Power in the smallest Package
See what 40 years of data acquisition expertise can do for your instrumentation designs.

Product Reviews (1)

Low-Power Data Conversion Technology Enhances Portability
(Electropages, 10/5/2006)

Product Selection Guide (2)

Digital Isolator Product Selection and Resource Guide (pdf, 640 kB)
Sigma Delta ADCs (< 15 kSPS)

Tutorials (3)

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)

User Guides (3)

UG-042: Evaluating 16-Lead SOIC and 16-Lead QSOP Digital Isolators User Guide (pdf, 504 kB)
UG-181: PLC Demo System User Guide (pdf, 541 kB)
UG-252: Evaluation Board for the AD7280A Lithium Ion Battery Monitoring System (pdf, 1627 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)

2.5kV rms Digital Isolators with Integrated, Isolated Power
This video provides information on Analog Devices iCoupler technology.
EMI in isoPower® Devices
This in-depth video shows the viewer how to reduce EMI (electromagnetic interference) in isoPower® devices

Webcasts (1)

Solving Isolation Challenges in Power Conversion Applications
This webcast will present solutions to isolation challenges in power conversion applications. Among the topics to be discussed are the limitations of traditional methods of isolation (such as utilization of optocouplers and pulse transformers) vs. more efficient and cost effective solutions that utilize digital isolators. If you are currently using optocouplers and pulse transformers, this is a webcast you should attend.

Analog Dialogue (1)

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

SUPPLEMENTAL RESOURCES - CN0066: Fully Isolated Input Module Based on the AD7793 24-Bit Σ-Δ ADC and the ADuM5401 Digital Isolator

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