ADUM1402WSRWZ-RL

Overview

The ADUM1402WSRWZ-RL is a four-channel digital isolator from the ADUM1402 series, manufactured by Analog Devices Inc. It utilizes iCoupler magnetic coupling technology to provide electrical isolation between circuits. The device features two transmitters and two receivers within a single package. It operates on a supply voltage range of 2.7 V to 5.5 V DC. The component supports a data rate of 90 Mb/s with a propagation delay time of 100 ns. It offers an insulation voltage of 2500 Vrms and maintains bidirectional signal polarity. The unit is housed in a 16-pin SOIC W surface-mount package and is qualified under AEC-Q100 standards for automotive applications.

Feature Summary

• Integrates four independent channels using monolithic air-core transformer technology for high-speed digital isolation
• Provides robust common-mode transient immunity to minimize signal distortion in noisy environments
• Eliminates the need for external components typically required by optical couplers, simplifying circuit design
• Features low power consumption relative to comparable signal data rates when compared to traditional optocoupler alternatives

Applications

• Automotive electronic control units requiring isolated communication interfaces
• Industrial automation systems utilizing isolated gate drivers
• Medical equipment necessitating patient isolation barriers
• Power electronics monitoring and control circuits

Procurement Notes

Verify the specific suffix 'WSRWZ' against official Analog Devices documentation to confirm the exact pinout configuration and packaging variant. Ensure the order quantity aligns with the reel packaging specifications provided in the manufacturer's datasheet. Confirm that the AEC-Q100 qualification status meets the specific reliability requirements of the target application environment before finalizing procurement.

Selection Notes

Select this component when a four-channel isolated interface is required with a data rate up to 90 Mb/s. The bidirectional nature of the channels allows for flexible signal routing across isolation barriers. Consider the 2500 Vrms insulation rating for safety-critical applications. Verify that the operating temperature range of -40°C to +125°C suits the environmental conditions of the intended deployment site.

Part Context

This part belongs to the ADUM1402 family of digital isolators, which are designed to replace traditional optocouplers. The family leverages silicon and polymer technologies to create compact, reliable isolation solutions. The ADUM1402 series is widely used in applications demanding high reliability and long-term stability without the degradation issues associated with LED-based isolation devices.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.