ADUM1245ARSZ-RL7

Overview

The ADUM1245ARSZ-RL7 is a micropower, dual-channel digital isolator from Analog Devices Inc., utilizing iCoupler magnetic coupling technology. It provides bidirectional data transmission with a data rate of 2 Mb/s and an isolation voltage of 3750 Vrms. The device operates within a supply voltage range of 2.7 V to 5.5 V and features a typical operating current of 366 µA per channel. It offers a maximum propagation delay of 180 ns and functions reliably across an industrial temperature range of -40°C to +125°C. Packaged in an 8-pin SOIC, it supports standard logic levels for robust signal integrity.

Feature Summary

• Bidirectional data transmission capability for flexible interface configurations
• Micropower consumption design suitable for energy-constrained applications
• Robust galvanic isolation using proprietary iCoupler magnetic technology
• Wide operating temperature range ensuring reliability in harsh environments

Applications

• Industrial process control systems requiring isolated communication
• Medical equipment needing high-voltage isolation safety
• Power metering and smart grid infrastructure interfaces
• Automotive electronics with strict noise immunity requirements

Procurement Notes

Verify the specific suffix RL7 indicates reel packaging when ordering. Confirm the 8-pin SOIC package matches your PCB footprint constraints. Ensure the bidirectional nature aligns with your circuit design needs. Check for RoHS compliance documentation if required by your manufacturing standards. Validate that the 3750 Vrms isolation rating meets your system safety regulations.

Selection Notes

Select this component when bidirectional communication is required between isolated domains. It is appropriate for applications prioritizing low power consumption alongside moderate data rates. Consider the 8-pin SOIC package size against available board space. Verify that the 2 Mb/s speed suffices for your protocol timing. Ensure the 3750 Vrms isolation level satisfies your application's safety clearance requirements.

Part Context

This part belongs to the ADUM124x series of dual-channel digital isolators. It complements other iCoupler products by offering bidirectional functionality in a compact package. The series is designed to replace traditional optocouplers in many applications, providing better performance consistency and lower power usage. It integrates seamlessly into SPI, I2C, and UART interfaces.

Replacement Considerations

ADUM1246ARSZ-RL7 is a pin-compatible alternative within the same family.