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ADUM4160:  Full/Low Speed USB Digital Isolator

Product Details


The ADuM4160 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 peripheral devices.

Many microcontrollers implement USB so that it presents only the D+ and D− lines to external pins. This is desirable in many cases because it minimizes external components and simplifies the design; however, this presents particular challenges when isolation is required. USB lines must automatically switch between actively driving D+/D−, receiving data, and allowing external resistors to set the idle state of the bus. The ADuM4160 provides mechanisms for detecting the direction of data flow and control over the state of the output buffers. Data direction is determined on a packet-by-packet basis.

The ADuM4160 uses the edge detection based iCoupler technology in conjunction with internal logic to implement a transparent, easily configured, upstream facing port isolator. Isolating an upstream facing port provides several advantages in simplicity, power management, and robust operation.

The isolator has propagation delay comparable to that of a standard hub and cable. It operates with the supply voltage on either side ranging from 3.1 V to 5.5 V, allowing connection directly to VBUS by internally regulating the voltage to the signaling level. The ADuM4160 provides isolated control of the pull-up resistor to allow the peripheral to control connection timing. The device has a low idle current; a suspend mode is required.

Applications

  • USB peripheral isolation
  • Isolated USB hub

FEATURES and BENEFITS

  • Chinese data sheet available
  • Fully USB 2.0 Compliant
  • Low and full speed data rate: 1.5 Mbps and 12 Mbps
  • Bidirectional communication
  • Short-circuit protection for xD+ and xD− lines
  • 3.3 V and 5 V (dual mode power configuration) operation - Please see data sheet for further information.
  • Class 3A contact ESD performance per ANSI/ESD STM5.1-2007
  • High temperature operation: 105°C
  • High common-mode transient immunity: >25 kV/μs
  • Evaluation Board available
  • Please see data sheet for additional features.

Functional Block Diagram for ADuM4160

USB

Documentation

Title Content Type File Type
ADuM4160: Full/Low Speed 5 kV USB Digital Isolator Data Sheet (Rev D, 03/2012) (pdf, 397 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-0160: Universal Serial Bus (USB) Peripheral Isolator Circuit  (pdf, 321 kB) Circuit Note PDF
CN-0159: Universal Serial Bus (USB) Cable Isolator Circuit  (pdf, 381 kB) Circuit Note PDF
CN-0158: Universal Serial Bus (USB) Hub Isolator Circuit  (pdf, 536 kB) Circuit Note PDF
The Importance of Isolation in Healthcare Applications
Learn how iCoupler® digital isolators provide a simple solution for connecting patients to a peripheral monitor or PC in a safe and isolated manner.
Videos HTML
ADuM4160: First Single Package USB Isolation Solution
The ADuM4160 is an integrated single chip USB isolator. It is designed to provide isolation in the D+/D- lines and works with existing USB ports.
Videos HTML
ADuM4160: First Single Package USB Isolation Solution Videos HTML
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
UG-043: iCoupler ADuM4160/ADuM3160 USB Isolator Evaluation Board  (pdf, 543 kB) User Guides PDF
MS-2425: The Future of Safety Isolation in Home Health Care Electronics  (pdf, 185 kB) Technical Articles PDF
Creepage Requirements for Medical Applications  (pdf, 588 kB) Technical Articles PDF
NAppkin Note: Breaking Ground Loops to Protect USB Data Transmission  (pdf, 33 kB) Technical Articles PDF
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
Simplify USB Isolation in Medical Applications
This article discusses various ways of implementing isolation with USB. In particular, a new option, which allows simple, inexpensive isolation of peripheral devices—especially including the D+ and D– lines—increasing the usefulness of USB in medical and industrial applications.
(ECN, 3/31/2010)
Technical Articles HTML
Isolating the USB in Medical Systems
New technology can directly isolate USB signal lines and thus provide designers with more flexibility.
(Medical DeviceLink.com, Fall 2009)
Technical Articles HTML
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
Analog Devices Achieves Major Milestone by Shipping 1 Billionth Channel of iCoupler Digital Isolation (19 Sep 2013) Press Releases HTML
Digital Isolator Product Selection and Resource Guide  (pdf, 640 kB) Product Selection Guide PDF
Healthcare ICs
Healthcare ICs Solutions Bulletin, Volume 11, Issue 2
Solutions Bulletins HTML
USB Isolation Reference Circuits Overview HTML
Agilent/NVE GMR Isolators−Performance Comparison to Analog Devices iCoupler  (pdf, 378 kB) Overview PDF
iCoupler® USB Isolation - Industry's First Single Package Solution Overview 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® USB Isolation - Industry's First Single Package Solution Overview HTML
iCoupler Digital Isolators Qualified for Automotive Applications Overview HTML
isoPower® - Isolated dc-to-dc Power in the smallest Package Overview HTML
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
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
ADuM4160 IBIS Model (All Speed Grades)  (ibs) IBIS Models IBS

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

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

ADUM4160 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
ADUM4160BRIZ Status: Production 16 ld SOIC (increased Creepage) 16 Ind Tube, 37 $5.53 $4.89 Y  Material Info PCN Purchase Sample
ADUM4160BRIZ-RL Status: Production 16 ld SOIC (increased Creepage) 16 Ind Reel, 1000 - $4.89 Y  Material Info PCN Purchase
ADUM4160BRWZ Status: Production 16 ld SOIC - Wide 16 Ind Tube, 47 $5.53 $4.89 Y  Material Info PCN Purchase Sample
ADUM4160BRWZ-RL Status: Production 16 ld SOIC - Wide 16 Ind Reel, 1000 - $4.89 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.

ezLINX™ iCoupler® Isolated Interface Development Environment
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EZLINX-IIIDE-EBZ Status: Production iCoupler® Isolated Interface Development Environment Evaluation Board $149.00 Yes -
EVAL-ADUM4160: USB Isolator Board for the ADuM3160 and ADuM4160
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-ADUM4160EBZ Status: Production Evaluation Board $55.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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