Digital Isolators

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Digital Isolators

iCoupler® digital isolators combine ADI proprietary chip-scale micro-transformer technology, analog and mixed-signal circuits, as well as high-speed CMOS, creating devices with significant system level integration and functional advantages over other digital isolators and optocouplers. Offering isolation and innovation in one package, the iCoupler digital isolators portfolio is the broadest in the industry and includes standard digital isolators, digital isolators with isoPower, USB 2.0 compatible isolators, isolated gatedrivers, isolated I²C digital isolators, isolated RS-485 transceivers, isolated RS-232 devices, isolated ∑-∆ ADCs. With such a wide range of products, there is an iCoupler product to fit almost any application.
Medical – The ADuM4160 is a full/low speed USB isolator with a 5kV rms isolation rating and IEC-60601-1 safety approval. Learn more here on how the ADuM4160 can help ease your design time, increase space savings, and reduce solution costs.
Automotive – The ADuM120x, ADuM130x, and ADuM140x families of digital isolators have achieved AEC-Q100 automotive qualification and are also rated for under-the-hood operation up to 125°C. Learn more here on how these established families can be employed in your next automotive application.

NEW PRODUCTS

ADUM4160- Full/Low Speed USB Digital Isolator

ADUM4160: Full/Low Speed USB Digital Isolator

The ADuM41601 is a USB port isolator, based on Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics and are easily integrated with low and full speed USB-compatible More

Data Sheet Rev A, 09/2009 (pdf 397kB)
ADUM3211- Dual-Channel Digital Isolator, Enhanced System-Level ESD Reliability

ADUM3211: Dual-Channel Digital Isolator, Enhanced System-Level ESD Reliability

The ADuM321x¹ are dual-channel, digital isolators based on Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic transformer technology, this isolation component provides outstanding performance charac-teristics superior to alternatives such as optocoupler devices.

By avoiding the use of LEDs and photodiodes, iCoupler devices More

Data Sheet Rev C, 09/2009 (pdf 634kB)
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Safety and Regulatory Compliance

The iCoupler® family of digital isolation products have been safety tested (basic and reinforced) and approved by various regulatory agencies. View Compliance Information.

Application Notes

View all Digital Isolation Applications Notes.

isoPower®

isoPower, isolated power is a complete and fully integrated isolation solution for power transfer across an isolation barrier using micro-transformers. The iCoupler technology enables both signal and power to be integrated into a single package with isolation up to 5kV rms.

Quarterly eNewsletter

Analog Devices' Digital Isolation Update Quarterly eNewsletter provides information on the new iCoupler digital isolators and general iCoupler news.

RESOURCES & RELATED INFORMATION

Selection Guide: iCoupler and isoPower Products
Product Highight: Automotive Grade Digital Isolators: (pdf)
Solutions Bulletins: Industrial & Sensor ICs, 2009 (html)
Analog Dialogue: Portfolio of Editions (html)
Rarely Asked Questions (RAQs): The Long Term Stability of Precision Analog ICs, or How to Age Gracefully and Avoid Sudden Death (html)

Application Note (AN-0971): Recommendations for Control of Radiated Emissions with isoPower Devices (pdf)
Webinar On-Demand: Design Considerations for Industrial Instrumentation & Process Control Systems (html)
Webinar On-Demand: Designing Programmable Logic Controller 4-20mA and Voltage I/O Modules: Techniques and Solutions (html)
Webinar On-Demand: Isolating Power in Communication Bus and Gate Drive Applications (html)
Circuit Note (CN-0031): Half-Duplex, Isolated RS-485 Interface

Application Note (AN-913): Isolating I²C Interfaces (pdf)
Application Note (AN-825): Power Supply Considerations in iCoupler Isolation Products (pdf)
Application Note (AN-793): ESD/Latch-Up Considerations with iCoupler® Isolation Products (pdf)
Application Note (AN-770): iCoupler® Isolation in CAN Bus Applications (pdf)
Application Note (AN-740): iCoupler® Isolation in RS-232 Applications (pdf)

Application Note (AN-727): iCoupler® Isolation in RS-485 Applications (pdf)

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