ADUM4153ARIZ-RL

Overview

The ADUM4153ARIZ-RL is a seven-channel digital isolator designed for SPI interface applications, utilizing Analog Devices' iCoupler magnetic coupling technology. It provides 5000 Vrms isolation voltage and supports data rates up to 34 Mbps with a typical propagation delay of 25 ns. The device operates on a single 3 V to 5.5 V supply, drawing approximately 8.3 mA per channel. Packaged in a 20-pin SOIC, it features unidirectional signal transmission and is rated for operation between -40°C and +125°C.

Feature Summary

• Integrates seven independent channels for simultaneous SPI signal isolation
• Employs iCoupler magnetic coupling for robust galvanic isolation
• Supports high-speed data transmission suitable for complex serial interfaces

Applications

• SPI slave isolators in multi-drop communication networks
• Industrial control systems requiring isolated sensor data acquisition
• Medical equipment with strict safety isolation requirements

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the 20-SOIC variant. Cross-reference datasheet revision dates to validate electrical characteristics and pinout configurations before finalizing procurement orders.

Selection Notes

Select this component when multiple isolated SPI lines are required within a single package footprint. Consider the 34 Mbps data rate capability relative to system clock speeds. Evaluate the 5000 Vrms isolation rating against regulatory safety standards applicable to the target application environment.

Part Context

This part belongs to the ADuM415x family of SPI-specific digital isolators. It complements other iCoupler products by offering dedicated functionality for serial peripheral interface protocols. The series addresses the need for compact, high-density isolation solutions in modern electronic designs.

Replacement Considerations

Consult official substitution guides for equivalent parts from Analog Devices. Verify that alternative components match the 7-channel count, 20-pin SOIC package, and 5000 Vrms isolation rating.