ADUM5400

PRODUCTION

Quad-Channel Isolator with Integrated DC-to-DC Converter (4/0 channel directionality)

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Overview

  • isoPower integrated, isolated dc-to-dc converter
  • Regulated 5 V output
  • 500 mW output power
  • Quad dc-to-25 Mbps (NRZ) signal isolation channels
  • Schmitt trigger inputs
  • 16-lead SOIC package with >8 mm creepage
  • High temperature operation: 105°C
  • See Data Sheet for Additional Information

The ADuM5400 device is a quad-channel digital isolator with isoPower®, an integrated, isolated dc-to-dc converter. Based on the Analog Devices, Inc., iCoupler® technology, the dc-to-dc converter provides up to 500 mW of regulated, isolated power with 5.0 V input and 5.0 V output voltages. This architecture eliminates the need for a separate, isolated dc-to-dc converter in low power, isolated designs. The iCoupler chip scale transformer technology is used to isolate the logic signals and the magnetic components of the dc-to-dc converter. The result is a small form factor, total isolation solution.

The ADuM5400 isolator provides four independent isolation channels in two speed grades (see the Ordering Guide for more information).

isoPower uses high frequency switching elements to transfer power through its transformer. Special care must be taken during printed circuit board (PCB) layout to meet emissions standards. Refer to the AN-0971 application note for details on board layout recommendations.

APPLICATIONS

  • RS-232/RS-422/RS-485 transceiver
  • Industrial field bus isolation
  • Power supply start-up bias and gate drives
  • Isolated sensor interface
  • Industrial PLCs

ADUM5400
Quad-Channel Isolator with Integrated DC-to-DC Converter (4/0 channel directionality)
ADuM5400 Functional Block Diagram ADuM5400 Pin Configuration
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Documentation

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Hardware Ecosystem

Parts Product Life Cycle Description
ADuM6420A RECOMMENDED FOR NEW DESIGNS Quad-Channel Isolators with Integrated DC-to-DC Converter (4:0 directionality)
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Tools & Simulations

ADuM5400 IBIS Model (A and C Grades) 2


Evaluation Kits

eval board
EVAL-ADUMQS

EVAL-ADUMQS

Features and Benefits

  • Convenient connections for power through screw terminal blocks
  • Add-on BNC connector for 50 Ω signal sources
  • On-board signal routing
  • Support for signal wrap back
  • Simple signal paths to reduce transmission line effects
  • Pull-up and pull-down provided for control lines
  • Support for isoPower
  • Project area that supports surface-mount and through-hole devices

Product Details

EVAL-ADuMQSEBZ can be used with most iCoupler® and isoPower(R) isolation products in the 16-lead, wide-body SOIC and QSOP packages. The evaluation board supports the common pad positions for power, ground, and I/O pins.

Supported iCoupler® Products

  • ADuM130x
  • ADuM131x
  • ADuM140x
  • ADuM141x
  • ADuM1510
  • ADuM240x
  • ADuM330x
  • ADuM340x
  • ADuM344x
  • ADuM440x
  • ADuM5000
  • ADuM520x
  • ADuM540x
  • ADuM6000
  • ADuM620x
  • ADuM640x
  • ADuM744x
  • ADuM7510

EVAL-ADUMQS
EVAL-ADUMQS
EVAL-ADUMQSEBZANGLE EVAL-ADUMQSEBZBOTTOM

Reference Designs

Simplified Schematic of the Analog Output Circuit
CN0229 Circuits from the lab

4-Channel, Flexible, Configurable, Voltage, and Current Output Circuit for I/O Card and PLC Applications

Features and Benefits

  • Quad channel Current and Voltage Outputs
  • 16-bit Resolution for PLC Systems
  • Digitally Isolated from Application
CN0229
4-Channel, Flexible, Configurable, Voltage, and Current Output Circuit for I/O Card and PLC Applications
Simplified Schematic of the Analog Output Circuit

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