ADUM1301WTRWZ33

Overview

The ADUM1301WTRWZ33 is a general-purpose digital isolator from the iCoupler series, manufactured by Analog Devices Inc. It utilizes magnetic coupling technology to provide electrical isolation between circuits. The device features three independent channels configured as two transmitters and one receiver, supporting unidirectional signal transmission. It operates within a supply voltage range of 2.7V to 5.5V and supports data rates up to 10Mbps. Key electrical specifications include a minimum common-mode transient immunity of 25kV/µs, a maximum propagation delay of 32ns, and an isolation voltage rating of 2500Vrms. The component is housed in a 16-lead SOIC package with a width of 7.50mm.

Feature Summary

• Implements iCoupler magnetic coupling technology for robust signal isolation without external transformers.
• Provides high common-mode transient immunity to maintain signal integrity in noisy environments.
• Features low pulse width distortion for accurate digital signal transmission across isolation barriers.

Applications

• Motor control systems requiring isolated gate drive signals
• Industrial automation interfaces needing galvanic isolation
• Medical equipment requiring patient isolation protection

Procurement Notes

Verify the specific suffix '33' against the official Analog Devices datasheet to confirm it denotes the tape and reel packaging variant rather than a different functional specification. Ensure the ordering part number matches the required quantity format for surface-mount assembly processes. Cross-reference the manufacturer's latest product change notices to confirm current manufacturing status and any potential obsolescence warnings associated with this specific revision code.

Selection Notes

Select this component when a unidirectional three-channel isolator with 10Mbps speed is required. It is suitable for applications demanding 2500Vrms basic isolation in a compact 16-SOIC footprint. Consider the 2.7V to 5.5V operating range for compatibility with standard logic levels. Verify that the 32ns propagation delay meets the timing requirements of the target system interface.

Part Context

This part belongs to the ADUM1301 family of iCoupler digital isolators. These devices integrate analog and digital circuits on a monolithic CMOS substrate to create complete isolation channels. The family offers various channel configurations and data rates, providing designers with flexible options for replacing traditional optocouplers in space-constrained designs while maintaining high reliability and performance standards.

Replacement Considerations

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