ADUM1401WTRWZ33

Overview

The ADUM1401WTRWZ33 is a quad-channel digital isolator from Analog Devices, housed in a 16-SOIC package. It provides galvanic isolation with a rated voltage of 2500 Vrms and a common-mode transient immunity of 25 kV/µs. The device supports data rates up to 10 Mbps and operates on a supply voltage range of 2.7 V to 5.5 V. It features four transmit channels and one receive channel, with propagation delays typically around 34 ns. Operating temperatures span from -40°C to +125°C.

Feature Summary

• Provides robust galvanic isolation between circuit sections using magnetic coupling technology.
• Integrates four independent transmit channels and one receive channel for versatile signal routing.
• Ensures signal integrity through high common-mode transient immunity capabilities.
• Supports wide operating temperature ranges suitable for demanding industrial environments.

Applications

• Industrial automation systems requiring isolated communication interfaces
• Medical equipment needing safe patient isolation barriers
• Power electronics monitoring circuits
• Inverter control systems

Procurement Notes

Verify the specific suffix '33' against official Analog Devices documentation to confirm pinout or electrical characteristics match your design requirements. Ensure the component meets RoHS compliance standards if required by your manufacturing process. Cross-reference the datasheet revision date to ensure compatibility with current industry specifications.

Selection Notes

Select this component when a quad-channel isolator with a single receive path is needed. Consider the 10 Mbps data rate limit and 2500 Vrms isolation rating against system requirements. Evaluate the SOIC-16 footprint constraints and thermal performance within the -40°C to +125°C operating range compared to alternative isolator families.

Part Context

This part belongs to the ADUM1401 series of general-purpose digital isolators. It utilizes iCoupler technology to integrate transformer-based isolation onto a CMOS die. The series offers various configurations for different channel counts and data rates, providing a compact solution for replacing traditional optocouplers in space-constrained designs.

Replacement Considerations

Check for direct substitutes like the ADUM1401WTRWZ or ADUM1401ARWZ. Verify that any replacement maintains the same 16-SOIC package and channel configuration. Ensure the substitute matches the 2500 Vrms isolation rating and 10 Mbps speed requirement without altering the board layout.

FAQ

What is the maximum data rate supported by the ADUM1401WTRWZ33?

The device supports data rates up to 10 Mbps.

Does this component support bidirectional communication?

No, it is configured with four transmit channels and one receive channel, making it unidirectional in its primary function.

What is the common-mode transient immunity (CMTI) value?

The CMTI is specified at 25 kV/µs.