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ADUM6422A
Functional equivalent upgrade with lower radiated emissions, reinforced rating and 125oC temperature
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Overview
Features and Benefits
- isoPower integrated, isolated dc-to-dc converter
- Regulated 3.3 V or 5.0 V output
- Up to 500 mW output power
- Quad dc-to-25 Mbps (NRZ) signal isolation channels
- 16-lead SOIC package with 7.6 mm creepage
- High temperature operation: 105°C maximum
- High common-mode transient immunity: >25 kV/μs
- Safety and regulatory approvals
- UL recognition
- 2500 V rms for 1 minute per UL 1577
- CSA Component Acceptance Notice 5A
- VDE certificate of conformity
- IEC 60747-5-2 (VDE 0884, Part 2)
- VIORM = 560 V peak
- CQC certification per GB4943.1-2011
- UL recognition
Product Details
The ADuM5401/ADuM5402/ADuM5403/ADuM5404 are quad-channel digital isolators 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 at either 5.0 V or 3.3 V from a 5.0 V input supply, or at 3.3 V from a 3.3 V supply at the power levels shown in Table 1. These devices eliminate 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 for the power and feedback paths in the dc-to-dc converter. The result is a small form factor, total isolation solution.
The ADuM5401/ADuM5402/ADuM5403/ADuM5404 isolators provide four independent isolation channels in a variety of channel configurations and data rates (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. See the AN-0971 Application Note for board layout recommendations.
Applications
- RS-232/RS-422/RS-485 transceivers
- Industrial field bus isolation
- Power supply startup bias and gate drives
- Isolated sensor interfaces
- Industrial PLCs
Product Categories
Markets & Technology
Product Lifecycle
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
Application Notes (7)
Frequently Asked Questions (1)
Tools & Simulations
Reference Designs (3)
Reference Materials
Product Selector Card (1)
Safety and Regulatory Compliance (1)
Solutions Bulletins & Brochures (1)
EMI in 
2.5kV rms Digital Isolators with Integrated, Isolated Power
Op Amp with OVP and EMI Provides Robustness and Precision
Press Releases (1)
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.
PCN-PDN Information
Support & Discussions
ADUM5402 Discussions
Sample & Buy
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.
