ADUM131D1BRWZ

Overview

The ADUM131D1BRWZ is a triple-channel digital isolator utilizing iCoupler magnetic coupling technology. It features a 2:1 channel configuration with two forward and one reverse unidirectional path. Key electrical parameters include a data rate of 150 Mb/s, isolation voltage of 3750 Vrms, and propagation delay of 7.2 ns. The device operates on a supply voltage range of 1.8 V to 5 V with a typical current consumption of 8.8 mA. It supports SPI protocols and offers a common-mode transient immunity of 75 kV/µs. The component is housed in a 16-SOIC package and functions within an operating temperature range of -40°C to +125°C.

Feature Summary

• Implements iCoupler magnetic coupling technology for robust signal isolation in noisy environments.
• Provides high-speed data transmission capability suitable for demanding industrial applications.
• Features high common-mode transient immunity to maintain signal integrity under rapid voltage changes.

Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing safe system performance
• Data acquisition systems utilizing SPI interfaces

Procurement Notes

Verify the specific suffix 'D1' against official Analog Devices documentation to confirm the exact channel configuration and insulation rating. Ensure the SOIC-16 package dimensions match your PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's latest datasheet revision notes before finalizing procurement specifications.

Selection Notes

Select this component when high-speed bidirectional or unidirectional isolation is required with a 2:1 channel split. Compare the 150 Mb/s data rate against lower-speed alternatives if bandwidth constraints exist. Evaluate the 3750 Vrms isolation level against safety standards applicable to your specific circuit design environment.

Part Context

This part belongs to the ADuM131D series of robust iCoupler digital isolators from Analog Devices. The series is designed for general-purpose isolation tasks where high reliability and speed are critical. It complements other variants in the family that may offer different channel counts or insulation ratings.

Replacement Considerations

Consult the official Analog Devices cross-reference guide for verified substitutes. Ensure any replacement maintains the 16-SOIC package and compatible electrical characteristics such as supply voltage and data rate.

FAQ

What is the maximum common-mode transient immunity of the ADUM131D1BRWZ?

The device provides a minimum common-mode transient immunity of 75 kV/µs.

Does the ADUM131D1BRWZ support shutdown functionality?

No, the ADUM131D1BRWZ does not include a shutdown pin or feature.