ADUM1440ARSZ-RL7

Digital Isolators Overview

The ADUM1440ARSZ-RL7 is a micro-power quad-channel digital isolator from Analog Devices, housed in a 20-pin SSOP package. It operates on a supply voltage range of 2.25 V to 3.6 V with a maximum propagation delay of 80 ns. The device provides 2500 Vrms isolation voltage and supports bidirectional data transmission at speeds up to 2 Mb/s. It functions within an operating temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Micro-power quad-channel architecture for efficient signal isolation
• High isolation voltage capability suitable for harsh industrial environments
• Bidirectional data transmission support for flexible interface designs

Digital Isolators Applications

• Industrial process control systems requiring galvanic isolation
• Medical equipment needing high-voltage safety barriers
• Power metering applications with isolated communication interfaces

Digital Isolators Procurement Notes

Verify the specific suffix RL7 indicates reel packaging when ordering. Confirm the exact pinout and electrical specifications against the official Analog Devices datasheet prior to integration. Ensure compatibility with system voltage levels and thermal requirements.

Digital Isolators Selection Notes

Select this component for applications requiring low power consumption alongside robust isolation performance. The wide operating temperature range makes it suitable for demanding environments. Verify that the 2 Mb/s data rate meets the system's throughput requirements before finalizing the design.

Digital Isolators Part Context

This part belongs to the ADUM1440 series of digital isolators. It utilizes capacitive isolation technology to provide reliable signal transmission across isolation barriers. The series is designed for general-purpose applications where size, power, and performance are critical constraints.

Digital Isolators Replacement Considerations

The ADUM1440ARSZ is the tube-packaged equivalent of this reel-part. Other quad-channel isolators may require significant circuit redesign due to differences in pinout or electrical characteristics.