ADUM3482
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ADUM3482

Small, 3.75 kV RMS Quad Digital Isolators (2/2 Channel Directionality)

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IBIS Model ADuM3482 2V Download 43.28 K IBIS Model ADuM3482 3V Download 56.15 K IBIS Model ADuM3482 5V Download 60.39 K
Part Models 4
1ku List Price Starting From $2.05
Features
  • Up to 25 Mbps data rate (NRZ)
  • Low propagation delay: 25 ns typical
  • Low dynamic power consumption
  • 1.8 V to 5 V level translation
  • High temperature operation: 125°C
  • High common-mode transient immunity: >25 kV/µs
  • Output default select
  • 20-lead, RoHS-compliant, SSOP package
  • Safety and regulatory approvals:
    UL recognition: 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
Additional Details
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The ADuM3480 /ADuM3481 / ADuM3482 are quad-channel digital isolators based on the Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices and other integrated couplers. With typical propagation delay reduced to 25 ns, pulse width distortion is also halved.

The four channels of the ADuM3480 /ADuM3481 / ADuM3482 are available in a variety of channel configurations with two data rate grades up to 25 Mbps (see the Ordering Guide section). All models use separate core and I/O power supplies. The core operates between 3.0 V and 5.5 V, whereas the I/O supply can range from 1.8 V to 5.5 V. If operation is required within the range of the core supply, the two supplies can be tied together to allow single-supply operation. When the I/O must interface with logic levels that are different from the core supply voltage, then the I/O supply can be operated independently of the core supply over a wider range. The minimum I/O supply voltage is 1.8 V, allowing compatibility with low voltage logic. Both core and I/O supplies are required for proper operation.

APPLICATIONS

  • General-purpose multichannel isolation
  • SPI interface/data converter isolation
  • Industrial field bus isolation
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file View Data Sheet (Rev.A)
Documentation View All Documentation
IBIS Model ADuM3482 2V Download 43.28 K IBIS Model ADuM3482 3V Download 56.15 K IBIS Model ADuM3482 5V Download 60.39 K
Part Models 4
1ku List Price Starting From $2.05
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ADUM3482

Documentation

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Data Sheet

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UPDATED 07/01/2012
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ADuM3480/ADuM3481/ADuM3482: Small, 3.75 kV RMS Quad Digital Isolators Data Sheet (Rev.A)

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UPDATED 07/24/2012
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ADuM3480/ADuM3481/ADuM3482: 3.75kV RMS、クワッド小型デジタル・アイソレータ (Rev.0)

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User Guide

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UPDATED 10/09/2013
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UG-546: Evaluating the iCoupler ADuM3480/ADuM3481/ADuM3482 Quad-Channel Digital Isolators redirect icon

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Safety and Regulatory Compliance

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UPDATED 01/28/2016
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UPDATED 01/28/2016
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Documentation

Circuit Note 2

CN-0321: Fully Isolated, Single Channel Voltage and 4 mA to 20 mA Output with HART Connectivity
CN0328: Completely Isolated 4-Channel Multiplexed HART Analog Output Circuit

Solutions Bulletin & Brochure 1

Enhanced Protection with the Latest iCoupler® Digital Isolation

Product Selection Guide 1

Digital Isolation and Interface Technology Selection Guide

Safety and Regulatory Compliance 1

Safety and Regulatory Compliance Information

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2020-10-28

01:00

Protect your Innovations: from High Precision to High Power

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2012-04-09

ADuM348x: First Isolator to Interface to 1.8V I/O

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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 Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADUM3482ARSZ 20-Lead SSOP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
ADUM3482ARSZ-RL7 20-Lead SSOP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
ADUM3482BRSZ 20-Lead SSOP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
ADUM3482BRSZ-RL7 20-Lead SSOP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

Software & Part Ecosystem

Parts Product Life Cycle Description
ADUM342E
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Evaluation Kits 1

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EVAL-ADUM3481

ADUM3481 Evaluation Board

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EVAL-ADUM3481

ADUM3481 Evaluation Board

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EVAL-ADUM3481
ADUM3481 Evaluation Board
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Product Detail

The EVAL-ADuM3481EBZ supports the ADuM3480/ ADuM3481/ADuM3482, which are 3750 V isolation rating, 4-channel iCoupler® isolators. The evaluation board provides a JEDEC standard 20-lead SSOP pad layout, support for signal fanout, and loopback as well as optimal bypass capacitance. Signals can be wired onto the board as well as brought onto the board through edge-mounted SMA connectors (sold separately) or terminal blocks for power connections. The board includes 200 mil header positions for compatibility with Tektronix active probes.

The board follows best printed circuit board (PCB) design practices for 4-layer boards, including a full power and ground plane on each side of the isolation barrier. No other EMI or noise mitigation design features are included on this board. In cases of very high speed operation or when ultralow emissions are required, refer to the AN-1109 application note for additional board layout techniques.

Resources

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UG-546: Evaluating the iCoupler ADuM3480/ADuM3481/ADuM3482 Quad-Channel Digital Isolators Download

352 kB

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Evaluation Kits1

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EVAL-ADUM3481

ADUM3481 Evaluation Board

Reference Designs 2

Functional Block Diagram

CN0321

Fully Isolated, Single Channel Voltage and 4 mA to 20 mA Output with HART

4-Channel Multiplexed HART Analog Output Circuit

CN0418

Completely Isolated 4-Channel Analog Output Circuit for PLC/DCS Systems with HART

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CN0418

Completely Isolated 4-Channel Analog Output Circuit for PLC/DCS Systems with HART

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CN0418

Circuits from the lab

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Completely Isolated 4-Channel Analog Output Circuit for PLC/DCS Systems with HART

Features and Benefits

  • 4-Channels
  • +/- 10V , 4-20mA outputs
  • HART Compatible
  • Dynamic Power Control
  • Digital Slew Rate Limiting
View Detailed Reference Design external link

Part Used 8

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Design & Integration Tools

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ZIP

CN0418-DesignSupport.zip link icon

2.95 M

Reference Designs2

Functional Block Diagram

CN0321

Fully Isolated, Single Channel Voltage and 4 mA to 20 mA Output with HART

4-Channel Multiplexed HART Analog Output Circuit

CN0418

Completely Isolated 4-Channel Analog Output Circuit for PLC/DCS Systems with HART

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