ADUM4401CRWZ-RL

Overview

The ADUM4401CRWZ-RL is a quad-channel digital isolator from Analog Devices, utilizing iCoupler technology with magnetic coupling. It operates within a supply voltage range of 2.7 V to 5.5 V and supports data rates up to 90 Mb/s. The device provides an insulation voltage of 5000 Vrms and features enhanced ESD protection. Key electrical parameters include a propagation delay of 32 ns, typical rise/fall times of 3 ns, and a pulse width capability of 1000 ns. It functions in unidirectional mode with a quiescent current of 830 uA. The component is housed in a 16-pin SOIC package and is rated for operation between -40°C and +105°C.

Feature Summary

• Integrates four independent isolation channels using monolithic air-core transformer technology for high-speed signal transmission.
• Provides enhanced electrostatic discharge (ESD) protection capabilities alongside robust magnetic coupling isolation.
• Operates with low power consumption while maintaining high common-mode transient immunity.

Applications

• Industrial automation systems requiring multi-channel signal isolation
• Medical equipment needing high-voltage isolation barriers
• Power metering applications involving galvanic separation

Procurement Notes

Verify the specific suffix 'CRWZ' against official Analog Devices documentation to confirm temperature grade and packaging configuration. Ensure compatibility with the target PCB footprint for the 16-SOIC package. Confirm that the required insulation voltage and data rate specifications align with the system design requirements before finalizing procurement.

Selection Notes

Select this component when multiple isolated channels are required in a compact form factor. It is suitable for designs prioritizing high data rates and strong ESD resilience over integrated power conversion. Compare against the ADUM4401ARWZ variant if extended temperature ranges or different qualification standards are necessary for the specific application environment.

Part Context

This part belongs to the ADuM4401 series of quad-channel digital isolators. It represents a standard general-purpose solution within Analog Devices' portfolio, distinct from variants that include integrated DC/DC converters like the ADUM5402. The device leverages CMOS process technology combined with transformer-based isolation to replace traditional optocouplers in modern interface circuits.

Replacement Considerations

The ADUM4401ARWZ-RL is a documented alternative within the same family, offering similar functionality but potentially differing in temperature rating or qualification status. Verify pinout and electrical specifications match before substitution.

FAQ

What is the maximum data rate supported by the ADUM4401CRWZ-RL?

The device supports a maximum data rate of 90 Mb/s across its four channels.

Does this component include an integrated DC/DC converter?

No, the ADUM4401CRWZ-RL is a standard digital isolator without an integrated DC/DC converter; external power supplies are required for both sides of the isolation barrier.