ADUM5211

PRODUCTION

Dual-Channel Isolators with Integrated DC-to-DC Converter (1/1 Channel Directionality)

Analog Devices ADUM5211 Product Info

10 February 2026 6

Features

isoPower integrated, isolated dc-to-dc converter
Regulated 3.15 V to 5.25 V output
Up to 150 mW output power
Dual dc-to-100 Mbps (NRZ) signal isolation channels
Soft start power supply
20-lead SSOP package with 5.3 mm creepage
Supports SPI up to 15 MHz
High temperature operation: 105°C

High common-mode transient immunity: >25 kV/μs
Safety and regulatory approvals

UL 1577
- V_ISO = 2500 V rms for 1 minute
IEC/CSA 62368-1
IEC/CSA 61010-1
CQC GB 4943.1
DIN EN IEC 60747-17 (VDE 0884-17) (pending)
- V_IORM = 560 V peak

Part details & applications

The ADuM5210 /ADuM5211 / ADuM5212 are dual-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 regulated, isolated power that is adjustable between 3.135 V and 5.25 V. Input supply voltages can range from slightly below the required output to significantly higher. Popular voltage combinations and their associated power levels are shown in Table 2 in the data sheet.

The ADuM5210 / ADuM5211 / ADuM5212 eliminate the need for a separate, isolated dc-to-dc converter in low power, isolated designs. The iCoupler chip-scale transformer technology is used for isolated logic signals and for the magnetic components of the dc-to-dc converter. The result is a small form factor, total isolation solution.

isoPower uses high frequency switching elements to transfer power through its transformer. Take special care during printed circuit board (PCB) layout to meet emissions standards. See the AN-0971 Application Note for board layout recommendations.

APPLICATIONS

RS-232 transceivers
Power supply start-up bias and gate drives
Isolated sensor interfaces
Industrial PLCs

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