ADUM2280ARIZ-RL

Overview

The ADUM2280ARIZ-RL is a dual-channel digital isolator from Analog Devices, utilizing iCoupler magnetic coupling technology. It operates within a supply voltage range of 2.7 V to 5.5 V and supports bidirectional data transmission at speeds up to 100 Mb/s. The device features a propagation delay of 24 ns with typical rise and fall times of 3 ns. It provides 5000 Vrms isolation voltage and is housed in a 16-SOIC package. The component functions reliably across an extended temperature range from -40°C to +125°C.

Feature Summary

• Integrates two independent bidirectional channels for high-speed signal isolation using proprietary iCoupler magnetic technology.
• Provides robust electrical isolation with a rated insulation voltage of 5000 Vrms to protect low-voltage control circuits.
• Supports data rates up to 100 Mb/s with minimal propagation delay and pulse width distortion for precise timing.
• Includes integrated on-chip DC/DC converter capability to generate isolated power, reducing external component count.

Applications

• Isolated communication interfaces in industrial automation systems
• Gate drive isolation for power electronics and motor control
• Data acquisition systems requiring galvanic isolation between sensors and processors
• Medical equipment signal isolation for patient safety compliance

Procurement Notes

Verify the specific suffix and tape/reel configuration against current manufacturer documentation before ordering. Confirm availability status as supply may be restricted or subject to allocation. Ensure the selected variant matches the required channel directionality and operating temperature range for the target application environment.

Selection Notes

Select this component when bidirectional data transfer is required across an isolation barrier. Compare performance metrics such as common-mode transient immunity and propagation delay against alternative isolators. Consider the SOIC-16 package dimensions for PCB layout constraints and verify thermal dissipation requirements under maximum load conditions.

Part Context

This part belongs to the ADUM228x series of dual-channel digital isolators. It shares architectural similarities with other iCoupler devices but is distinct in its bidirectional channel configuration and 100 Mb/s speed rating. The series is designed to replace traditional optocouplers in applications demanding higher reliability and lower power consumption.

Replacement Considerations

Direct substitutes include the ADUM2281ARIZ-RL for unidirectional applications. Verify pin compatibility and isolation ratings when cross-referencing with other manufacturers' dual-channel isolators. Ensure that any replacement maintains the same 5000 Vrms isolation voltage and 16-SOIC footprint.

FAQ

What is the maximum data rate supported by the ADUM2280ARIZ-RL?

The device supports a maximum data rate of 100 Mb/s per channel.

Does the ADUM2280ARIZ-RL support bidirectional communication?

Yes, both channels are configured for bidirectional data transmission.

What is the isolation voltage rating of this component?

The component provides an isolation voltage of 5000 Vrms.