1. Products
  2. Interface and Isolation
  3. Digital Isolation Technology
  4. USB Isolators
  5. ADUM4160


Overview

Features and Benefits

  • 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
  • 4.5 V to 5.5 V VBUS operation
    7 mA maximum upstream supply current @ 1.5 Mbps
    8 mA maximum upstream supply current @ 12 Mbps
    2.3 mA maximum upstream idle current
  • 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
  • 16-lead SOIC wide-body package version
  • 16-lead SOIC wide body enhanced creepage version
  • Please see data sheet for additional features.

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 not required.

APPLICATIONS

  • USB peripheral isolation
  • Isolated USB hub
  • Medical applications

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Documentation & Resources

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  • 3rd Party Solutions (2)
  • Data Sheets (1)
  • Application Notes (7)
  • User Guides (1)
  • Frequently Asked Questions (1)
  • Safety and Regulatory Compliance (1)
  • Informational (1)
  • Product Selection Guide (1)
  • Circuit Note (3)
  • Technical Articles (9)
  • Videos (3)
  • Press Releases (1)
  • Webcasts (2)
  • Application Notes
    Frequently Asked Questions
    Technical Articles

    Tools & Simulations

    Reference Designs (4)

    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    ADUM4160BRIZ Material Declaration Reliability Data 16-Lead SOIC (Increased Creepage)
    ADUM4160BRIZ-RL Material Declaration Reliability Data 16-Lead SOIC (Increased Creepage)
    ADUM4160BRWZ Material Declaration Reliability Data 16 ld SOIC
    ADUM4160BRWZ-RL Material Declaration Reliability Data 16-Lead SOIC Wide
    Wafer Fabrication Data

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    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.