ADUM1201WSRZ55-RL7

Overview

The ADUM1201WSRZ55-RL7 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 data rates up to 25 Mb/s. The device provides 2500 Vrms isolation voltage and features a common-mode transient immunity of 25 kV/µs. Key electrical parameters include a maximum propagation delay of 150 ns and a typical rise/fall time of 10 ns. It is housed in an 8-SOIC package with a width of 3.90 mm and is qualified under AEC-Q100 standards for automotive applications.

Feature Summary

• Implements iCoupler magnetic coupling technology for high-speed signal transmission without external magnetics
• Provides robust galvanic isolation with 2500 Vrms insulation voltage rating
• Features high common-mode transient immunity of 25 kV/µs for noise resilience
• Supports bidirectional communication with independent input/output channels

Applications

• Automotive electronic control units requiring isolated CAN or LIN bus interfaces
• Industrial automation systems needing reliable signal isolation between microcontrollers and sensors
• Medical equipment requiring patient isolation circuits compliant with safety standards
• Power monitoring systems isolating measurement circuits from high-voltage domains

Procurement Notes

Verify the specific suffix '55' against the official Analog Devices datasheet to confirm pinout and functional equivalence to standard variants. Confirm RoHS compliance status and moisture sensitivity level (MSL) requirements for your assembly process. Check current availability as distribution may vary by region. Ensure the 8-SOIC package dimensions match your PCB footprint design constraints before finalizing procurement.

Selection Notes

Select this component when high-speed data transmission up to 25 Mb/s is required alongside strong galvanic isolation. The AEC-Q100 qualification makes it suitable for automotive environments. Consider the 8-SOIC package size for space-constrained designs. Evaluate the 2500 Vrms isolation barrier against system voltage requirements. Compare power consumption characteristics if battery-operated applications are involved.

Part Context

This part belongs to the ADuM120x family of dual-channel digital isolators. These devices integrate CMOS logic with monolithic transformer technology on a single silicon chip. The family offers various channel configurations and speed grades. The ADUM1201 variant specifically targets higher data rate applications compared to lower-speed counterparts in the same series.

Replacement Considerations

Check for direct cross-reference part numbers from Analog Devices such as ADUM1201BRZ or ADUM1201ARZ. Verify that any substitute maintains the 25 Mb/s data rate and 2500 Vrms isolation rating. Ensure the replacement package matches the 8-SOIC form factor. Confirm compatibility with existing firmware and timing requirements.