Application Notes (12)
- AN-0971: Recommendations for Control of Radiated Emissions with isoPower Devices (pdf, 406 kB)
- AN-913: Isolating I2C Interfaces (pdf, 280 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-713: The Effect of Long-Term Drift on Voltage References (pdf, 237 kB)
- AN-671: Reducing RFI Rectification Errors in In-Amp Circuits (pdf, 208 kB)
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AN-589: Ways to Optimize the Performance of a Difference Amplifier
(pdf, 115 kB)
This Application Note presents several ways to build and optimize the performance of a discrete difference amplifier. It also recommends amplifiers that will make the overall solution cost/performance competitive with monolithic instrument amplifiers. -
AN-245: Instrumentation Amplifiers Solve Unusual Design Problems
(pdf, 543 kB)
Traditionally Considered Only for Transducer-Conditioning Applications, Instrumentation Amplifiers Bring Unique Performance Benefits to a Range of Other Applications as Well. - AN-244: A User's Guide to I.C. Instrumentation Amplifiers (pdf, 522 kB)
Circuit Note (17)
- CN-0032: Converting a Single-Ended Signal with the AD7982 Differential PulSAR ADC (pdf, 99 kB)
- CN-0033: Converting a Single-Ended Signal with the AD7984 Differential PulSAR ADC (pdf, 98 kB)
- CN-0100: Measuring −48 V High-Side Current Using the AD629 Difference Amplifier, AD8603 Op Amp, AD780 Reference, and AD7453 12-Bit ADC Single-Supply Components (pdf, 108 kB)
- CN-0104: Parametric Measurement Unit and Supporting Components for ATE Applications Using the AD5522 PMU and the AD7685 16-Bit ADC (pdf, 247 kB)
- CN-0123: Automated Calibration Technique That Reduces the AD5360 16-Channel, 16-Bit DAC Offset Voltage to Less Than 1 mV (pdf, 132 kB)
- CN-0127: 8-Pole Active Low-Pass Filter Optimized for Precision, Low Noise, and High Gain Using the AD8622 and the ADA4062-2 Op Amps (pdf, 109 kB)
- CN-0130: Integrated Device Power Supply (DPS) for ATE with Output Voltage Range 0 V to 25 V (pdf, 231 kB)
- CN-0131: 16 Channels of Programmable Output Span Using the AD5360 16-Bit Voltage Output DAC (pdf, 85 kB)
- CN-0180: Precision Single-Supply Differential ADC Driver for Industrial-Level Signals (pdf, 388 kB)
- CN-0188: Isolated Low Side Current Monitor for Negative High Voltage Rails (pdf, 129 kB)
- CN-0218: 500 V Common-Mode Voltage Current Monitor (pdf, 161 kB)
- CN-0240: Bidirectional Isolated High-Side Current Sense with 270 V Common-Mode Rejection (pdf, 336 kB)
- CN-0251: A Flexible 4-Channel Analog Front End for Wide Dynamic Range Signal Conditioning (pdf, 217 kB)
- CN-0261: Optimizing AC Performance in an 18-bit, 250 kSPS, PulSAR Measurement Circuit (pdf)
- CN-0272: 2 MHz Bandwidth PIN Photodiode Preamp with Dark Current Compensation (pdf, 376 kB)
- CN-0306: A 16-Bit, 100 kSPS Low Power Successive Approximation ADC System with Optimum Low Power Drive Amplifier for Sub-Nyquist Input Signals Up to 1 kHz (pdf, 297 kB)
- CN0310: Precision 24-Bit, 250 kSPS Single-Supply Sigma-Delta ADC System for Industrial (pdf, 165 kB)
Technical Articles (17)
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Auto-Zero Amplifiers
(doc, 75 kB)
A wide variety of electronic applications, especially those involving very small input signals, require signal paths with very low offset voltage and offset voltage drift over time and temperature. - High Performance Electrocardiogram (ECG) Signal Conditioning
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High Speed Digital Isolators Using Microscale On-Chip Transformers
(pdf, 2717 kB)
By Baoxing Chen, John Wynne, and Ronn Kliger -
High-performance Adder Uses Instrumentation Amplifiers
Make an adder circuit using instrumentation amplifiers to increase input impedance.
(EDN, 9/3/2009) -
High-Voltage Monitor Features High Accuracy
... Article is on page 3 of PDF.
(Electronic Design, Ideas for Design, 8/19/2002) -
iCoupler® Digital Isolators Protect RS-232, RS-485, and CAN Buses in Industrial, Instrumentation, and Computer Applications
(Analog Dialogue, Vol. 39, October 2005) -
iCoupler® Products with isoPower™ Technology: Signal and Power Transfer Across Isolation Barrier Using Microtransformers
(pdf, 1306 kB)
By Baoxing Chen -
Input Filter Prevents Instrumentation-amp RF-Rectification Errors
by Charles Kitchin, Lew Counts, and Moshe Gerstenhaber, Analog Devices, Inc. (EDN, 11/13/2003) -
Inside iCoupler® Technology:ADuM347x PWM Controller and Transformer Driver with Quad-Channel Isolators Design Summary
(pdf, 291 kB)
By Flow Zhao, Design Engineer - Low Cost, Low Power, High Performance AED
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Micro-Transformers Provide Signal and Power Isolation for Hybrid Electric Vehicles
(pdf, 234 kB)
By Baoxing Chen, Sr. Staff Engineer, Analog Devices, Inc. -
Microtransformer Isolation Benefits Digital Control
by Dr. Baoxing Chen, Analog Devices, Inc. (Power Electronics Technology, October 2008) - MS-2178: Discussion Between CareFusion and Analog Devices: Optimizing Performance and Lowering Power in an EEG Amplifer (pdf, 147 kB)
- MS-2210: Designing Power Supplies for High Speed ADC (pdf, 327 kB)
- MS-2251: Data Sheet Intricacies—Absolute Maximum Ratings and Thermal Resistances (pdf, 331 kB)
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NAppkin Note: Lowering the Power of the ADuM524x
(pdf, 223 kB)
By Mark Cantrell, Senior Applications Engineer - The AD8221 - Setting a New Industry Standard for Instrumentation Amplifiers (pdf, 582 kB)
ADIsim Design/Simulation Tools (1)
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Analog Filter Wizard 2.0
The Analog Filter Wizard™ helps you design a low-pass, high-pass, band-pass or band-stop filter with actual op amps. It then simulates the filter’s performance with these op amps in real time. You can ask the tool to optimize for power, noise, or voltage range, and it will pick op amps and passive components appropriately. Or you can adjust the components manually yourself.
Data Sheets (9)
- AD629: High Common-Mode Voltage, Difference Amplifier Data Sheet (Rev C, 04/2011) (pdf, 534 kB)
- AD7170: 12-Bit Low Power Sigma-Delta ADC Data Sheet (Rev A, 09/2011) (pdf, 264 kB)
- AD8475: Precision, Selectable Gain, Fully Differential Funnel Amplifier Data Sheet (Rev B, 04/2011) (pdf, 1627 kB)
- AD8622/AD8624: Low Power, Precision Rail-to-Rail Output Op Amp Data Sheet (Rev C, 06/2011) (pdf, 597 kB)
- ADR430/ADR431/ADR433/ADR434/ADR435/ADR439: Ultralow Noise XFET Voltage References with Current Sink and Source Capability Data Sheet (Rev J, 07/2011) (pdf, 1847 kB)
- ADR431-EP/ADR434-EP/ADR435-EP: Low Noise XFET Voltage References with Current Sink and Source Capability (Rev A, 08/2010) (pdf, 145 kB)
- ADR431/ADR434/ADR435-DSCC: Microcircuit, Linear, Low Noise, Voltage Reference, Monolithic Silicon Military Data Sheet (Rev A, 12/2010)
- 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 & Integration Files (1)
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CN0240 Design & Integration Files
(zip, 911 kB)
- Schematic
- Bill of Materials
- Gerber Files
- PADS Files
- Assembly Drawing
Design Calculators (2)
- Voltage Reference Selection & Evaluation Wizard
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Voltage Reference Wizard (downloadable)
This Wizard helps you select the most suitable voltage for a use with a data converter. Supply the Wizard with a given data converter; it will provide you with a number of suitable references plus the maximum DC error contributed to your overall system. Or enter the amount of DC error your system can tolerate and find out which of ADI’s reference and data converter pairs will meet your requirement.
Design Handbooks (1)
Documentation (3)
FAQs/RAQs (24)
- Are iCoupler products Pb-free?
- Can I replace an optocoupler with an iCoupler product in an existing design?
- Do iCoupler products have VDE certification for reinforced insulation?
- How do I learn about new iCoupler products?
- How is isolation specified?
- How much isolation can iCoupler products provide?
- What are common applications that use isolation?
- What are optocouplers? What is optical isolation?
- What are some of the distinguishing features of the iCoupler products?
- What are the benefits of iCoupler technology?
- What are the different types of iCoupler products?
- What are transient immunity and common-mode rejection?
- What communications protocols are supported by iCoupler products?
- What do I need to know about selecting and using Voltage References?
- What is capacitive isolation?
- What is iCoupler technology?
- What is isolation rating?
- What is isolation? Why is it needed?
- What is the difference between basic and double (or reinforced) insulation levels?
- What is the relationship between working voltage and isolation rating?
- What other parameters are important when considering an isolation device?
- What regulatory standards address isolation products?
- What types of technologies have been used to provide isolation?
- With which regulatory standards do iCoupler products comply?
FPGA HDL (2)
IBIS Models (1)
- ADuM5402 IBIS Model (A and C Grades)
Overview (6)
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2008 Medical Solution Profile
(pdf, 126 kB)
High Performance ICs for Medical Imaging, Patient Monitoring, and Instrumentation - ADR43x: The Newest Family of High Precision, Low Noise XFET®
- iCoupler Digital Isolators Qualified for Automotive Applications
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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
- Leading Inside Advertorials: Applying Instrumentation Amplifiers Effectively–The Importance of an Input Ground Return (pdf, 121 kB)
Product Reviews (1)
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Low-Power Data Conversion Technology Enhances Portability
(Electropages, 10/5/2006)
Product Selection Guide (1)
- Digital Isolator Product Selection and Resource Guide (pdf, 640 kB)
Solutions Bulletins (4)
- Amplifier ICs
- Analog-to-Digital Converter and Driver ICs
- Data Converter ICs Solutions Bulletin, Volume 10, Issue 7
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Industrial ICs
Industrial ICs Solutions Bulletin, Volume 10, Issue 8
SPICE Models (3)
- AD629 SPICE Macro-Models
- AD8475 SPICE Macro-Model
- AD8622 SPICE Macro Model
Tutorials (5)
- 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-052: Op Amp Noise Figure: Don't Be Mislead (pdf, 60 kB)
- MT-101: Decoupling Techniques (pdf, 954 kB)
User Guides (2)
Videos (3)
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2.5kV rms Digital Isolators with Integrated, Isolated Power
This video provides information on Analog Devices iCoupler technology. -
AD8475: Precision, Selectable Gain, Fully Differential Funnel Amplifier
The Analog Devices AD8475 is a fully differential, attenuating amplifier with integrated precision gain resistors. -
EMI in isoPower® Devices
This in-depth video shows the viewer how to reduce EMI (electromagnetic interference) in isoPower® devices
Webcasts (1)
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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 (3)
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Finding the Needle in a Haystack: Measuring small differential voltages in the presence of large common-mode voltages
(Analog Dialogue, Vol. 34, No. 1, January-February, 2000) -
High-Side Current Sensing: Difference Amplifier vs. Current Sense Amplifiers
Analog Dialogue 42-01, January 2008. -
iCoupler® Digital Isolators Protect RS-232, RS-485, and CAN Buses in Industrial, Instrumentation, and Computer Applications
(Analog Dialogue, Vol. 39, October 2005)
