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ADUM3100:  Digital Isolator, Enhanced System-Level ESD Reliability

Product Details


The ADuM3100 is a digital isolator based on the Analog Devices, Inc. iCoupler® technology. Combining high speed CMOS and monolithic transformer technology, this isolation component provides outstanding performance characteristics superior to alternatives, such as optocoupler devices.

Configured as a pin-compatible replacement for existing high speed optocouplers, the ADuM3100 supports data rates as high as 25 Mbps and 100 Mbps.

The ADuM3100 operates with a voltage supply ranging from 3.0 V to 5.5 V, boasts a propagation delay of <18 ns and an edge asymmetry of <2 ns, and is compatible with temperatures up to 105°C. It operates at very low power, less than 2.0 mA of quiescent current (sum of both sides), and a dynamic current of less than 160 μA per Mbps of data rate. Unlike other optocoupler alternatives, the ADuM3100 provides dc correctness with a patented refresh feature that continuously updates the output signal.

The ADuM3100 is offered in two grades. The ADuM3100AR and ADuM3100BR can operate up to a maximum temperature of 105°C and support data rates up to 25 Mbps and 100 Mbps, respectively.

In comparison to the ADuM1100 digital isolator, the ADuM3100 contains various circuit and layout changes to provide increased capability relative to system-level IEC 61000-4-× testing (ESD/burst/surge). The precise capability in these tests for either the ADuM1100 or ADuM3100 is strongly determined by the design and layout of the user’s board or module. For more information, see Application Note AN-793, ESD/Latch-Up Considerations with iCoupler® Isolation Products.

Applications

  • Digital fieldbus isolation
  • Opto-isolator replacement
  • Computer-peripheral interface
  • Microprocessor system interface
  • General instrumentation and data acquisition

FEATURES and BENEFITS

  • Enhanced system-level ESD performance per IEC 61000-4-x
  • Compatible with 3.3 V and 5.0 V operation/level translation

Low power operation

  • 5 V operation
    2.0 mA maximum @ 1 Mbps
    5.6 mA maximum @ 25 Mbps
    18 mA maximum @ 100 Mbps
  • 3.3 V operation
    1.1 mA maximum @ 1 Mbps
    4.2 mA maximum @ 25 Mbps
    8.3 mA maximum @ 50 Mbps
  • 105°C maximum operating temperature
  • High data rate: dc to 100 Mbps (NRZ)
  • RoHS-compliant, 8-lead SOIC
  • High common-mode transient immunity: >25 kV/μs

Safety and regulatory information

  • UL recognized: 2500 V rms for 1 minute per UL 1577
  • CSA Component Acceptance Notice #5A
  • VDE Certificate of Conformity
    DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12
    VIORM = 560 V peak

Functional Block Diagram for ADuM3100

Documentation

Title Content Type File Type
ADuM3100: Digital Isolator, Enhanced System-Level ESD Reliability Data Sheet (Rev C, 02/2012) (pdf, 492 kB) Data Sheets PDF
AN-0971: Recommendations for Control of Radiated Emissions with isoPower Devices  (pdf, 406 kB) Application Notes PDF
AN-913: Isolating I2C Interfaces  (pdf, 280 kB) Application Notes PDF
AN-727: iCoupler® Isolation in RS-485 Applications  (pdf, 282 kB) Application Notes PDF
AN-740: iCoupler® Isolation in RS-232 Applications  (pdf, 716 kB) Application Notes PDF
AN-770: iCoupler® Isolation in CAN Bus Applications  (pdf, 234 kB) Application Notes PDF
AN-793: ESD/Latch-Up Considerations with iCoupler® Isolation Products  (pdf, 246 kB) Application Notes PDF
AN-825: Power Supply Considerations in iCoupler Isolation Products  (pdf, 181 kB) Application Notes PDF
CN-0196: H-Bridge Driver Circuit Using Isolated Half-Bridge Drivers  (pdf, 260 kB) Circuit Note PDF
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.
Webcasts WEBCAST
Inside iCoupler® Technology:ADuM347x PWM Controller and Transformer Driver with Quad-Channel Isolators Design Summary  (pdf, 291 kB)
By Flow Zhao, Design Engineer
Technical Articles PDF
NAppkin Note: Lowering the Power of the ADuM524x  (pdf, 223 kB)
By Mark Cantrell, Senior Applications Engineer
Technical Articles PDF
Micro-Transformers Provide Signal and Power Isolation for Hybrid Electric Vehicles  (pdf, 234 kB)
By Baoxing Chen, Sr. Staff Engineer, Analog Devices, Inc.
Technical Articles PDF
High Speed Digital Isolators Using Microscale On-Chip Transformers  (pdf, 2717 kB)
By Baoxing Chen, John Wynne, and Ronn Kliger
Technical Articles PDF
iCoupler® Products with isoPower™ Technology: Signal and Power Transfer Across Isolation Barrier Using Microtransformers  (pdf, 1306 kB)
By Baoxing Chen
Technical Articles PDF
Medical Devices Demand Stringent Isolation Techniques
(EDN, 9/28/2006)
Technical Articles HTML
Isolation in Medical Applications  (pdf)
by Rich Ghiorse and Steve Ranta, Analog Devices, Inc. (Power Electronics-Europe, 7/2005)
Technical Articles PDF
Digital Isolator Product Selection and Resource Guide  (pdf, 640 kB) Product Selection Guide PDF
EE Times Names ACE Finalists
(EE Times, 1/15/2007)
Product Reviews HTML
Analog Devices Achieves Major Milestone by Shipping 1 Billionth Channel of iCoupler Digital Isolation (19 Sep 2013) Press Releases HTML
Leading Inside Advertorials: Data and Power Isolation in One Package Provides Total Isolation Solution  (pdf, 77 kB) Overview PDF
2008 Medical Solution Profile  (pdf, 126 kB)
High Performance ICs for Medical Imaging, Patient Monitoring, and Instrumentation
Overview PDF
iCoupler Digital Isolators Qualified for Automotive Applications Overview HTML
isoPower® - Isolated dc-to-dc Power in the smallest Package Overview HTML
Analog Devices' ADuM1100 Reduces Cost, Improves Performance  (pdf, 817 kB)
The ADuM1100 is a digital isolator based on Analog Devices’ iCoupler® technology. Combining high speed CMOS and monolithic transformer technology, this digital isolator provides outstanding performance characteristics superior to optocoupler devices.
Overview PDF
How do I learn about new iCoupler products? FAQs/RAQs HTML
Are iCoupler products Pb-free? FAQs/RAQs HTML
Can I replace an optocoupler with an iCoupler product in an existing design? FAQs/RAQs HTML
What are some of the distinguishing features of the iCoupler products? FAQs/RAQs HTML
What communications protocols are supported by iCoupler products? FAQs/RAQs HTML
What are the different types of iCoupler products? FAQs/RAQs HTML
Do iCoupler products have VDE certification for reinforced insulation? FAQs/RAQs HTML
With which regulatory standards do iCoupler products comply? FAQs/RAQs HTML
How much isolation can iCoupler products provide? FAQs/RAQs HTML
What are the benefits of iCoupler technology? FAQs/RAQs HTML
What is iCoupler technology? FAQs/RAQs HTML
What types of technologies have been used to provide isolation? FAQs/RAQs HTML
What are optocouplers? What is optical isolation? FAQs/RAQs HTML
What is capacitive isolation? FAQs/RAQs HTML
What regulatory standards address isolation products? FAQs/RAQs HTML
What is isolation? Why is it needed? FAQs/RAQs HTML
What are common applications that use isolation? FAQs/RAQs HTML
How is isolation specified? FAQs/RAQs HTML
What is isolation rating? FAQs/RAQs HTML
What is the relationship between working voltage and isolation rating? FAQs/RAQs HTML
What is the difference between basic and double (or reinforced) insulation levels? FAQs/RAQs HTML
What are transient immunity and common-mode rejection? FAQs/RAQs HTML
What other parameters are important when considering an isolation device? FAQs/RAQs HTML
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

ADUM3100 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
ADUM3100ARZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.63 $1.25 Y  Material Info PCN Purchase Sample
ADUM3100ARZ-RL7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - $1.25 Y  Material Info PCN Purchase
ADUM3100BRZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.76 $1.35 Y  Material Info PCN Purchase Sample
ADUM3100BRZ-RL7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - $1.35 Y  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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