ADUM1402ARWZ-RL

Overview

The ADUM1402ARWZ-RL is a quad-channel digital isolator utilizing Analog Devices iCoupler technology. It features four independent channels with unidirectional signal transmission. The device operates within a supply voltage range of 2.7 V to 5.5 V and supports data rates up to 1 Mb/s. Key electrical specifications include an isolation voltage of 2500 Vrms, a common-mode transient immunity of 25 kV/µs, and a maximum propagation delay of 100 ns. The typical rise and fall times are 2.5 ns to 3 ns. It functions across an operating temperature range of -40°C to +105°C and is housed in a 16-SOIC package.

Feature Summary

• Integrates high-speed CMOS and monolithic air-core transformer technology for magnetic coupling isolation.
• Eliminates design difficulties associated with optocouplers by avoiding LEDs and photodiodes.
• Provides stable performance without uncertainty regarding current transfer ratio or nonlinear transmission functions.

Applications

• General-purpose multichannel isolation
• SPI interface and data converter isolation
• Industrial fieldbus isolation
• RS-232/RS-422/RS-485 transceivers
• Automotive system isolation

Procurement Notes

Verify the specific suffix designation when sourcing, as it indicates reel packaging rather than tube. Confirm availability status directly with authorized distributors, as supply constraints may apply to this specific part number variant. Ensure the component meets RoHS3 compliance requirements for your manufacturing process.

Selection Notes

Select this component for applications requiring robust galvanic isolation between circuits with differing ground potentials. It is suitable where low power consumption compared to optical isolators is critical. Consider the 16-SOIC footprint and surface-mount installation style for PCB layout compatibility.

Part Context

This part belongs to the ADuM1402 series of quad-channel digital isolators from Analog Devices. It represents a general-purpose solution designed to replace traditional optocouplers in modern electronic designs. The iCoupler technology allows for smaller form factors and higher reliability compared to legacy isolation methods.

Replacement Considerations

Direct functional equivalents within the same family include the ADUM1402ARWZ (tube packaging). Verify pinout compatibility and electrical parameter alignment before substituting with other manufacturer digital isolators.