ADUM4154BRIZ

Overview

The ADUM4154BRIZ is a digital isolator from Analog Devices, packaged in a 20-SOIC housing. It features seven bidirectional channels with magnetic coupling isolation technology. The device supports SPI interfaces and operates at data rates of 250 kb/s and 34 Mb/s. It provides an insulation voltage of 5000 Vrms and functions within a temperature range of -40°C to +125°C. Supply voltage ranges from 3V to 5.5V.

Feature Summary

• Optimized for serial peripheral interface (SPI) connections
• Supports multiple slave device configurations
• Utilizes magnetic coupling for signal transmission

Applications

• SPI bus isolation
• Multiple slave system interfacing
• Industrial communication networks

Procurement Notes

Verify the specific suffix 'RL' indicates reel packaging when ordering. Confirm the 20-SOIC package dimensions match your PCB footprint requirements. Ensure the 5000 Vrms isolation rating meets your safety standards. Check availability status as supply may be restricted in certain regions.

Selection Notes

Select this component when designing SPI systems requiring galvanic isolation between master and multiple slaves. The seven-channel configuration allows comprehensive signal separation. Verify that the 34 Mb/s data rate suffices for your application speed. Ensure the operating temperature range covers your environmental conditions.

Part Context

This part belongs to the ADuM4154 series of SPIsolator digital isolators. It is designed specifically for serial peripheral interface applications. The series offers high-speed data transmission with robust isolation capabilities. It serves as a solution for noise-sensitive industrial and automotive environments.

Replacement Considerations

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