ADUM1442ARSZ-RL7

Digital Isolators Overview

The ADUM1442ARSZ-RL7 is a micro-power quad-channel digital isolator from Analog Devices, utilizing magnetic coupling technology for signal transmission. It operates within a supply voltage range of 2.25 V to 3.6 V and features bidirectional communication capabilities with a maximum data rate of 2 Mb/s. The device provides an insulation voltage of 2500 Vrms and exhibits a typical propagation delay of 180 ns while drawing an operating supply current of 612 uA. Designed for robust performance, it functions reliably across an extended temperature range from -40°C to +125°C. The component is housed in a 20-lead SSOP package and is supplied in reel, cut tape, or MouseReel formats.

Digital Isolators Feature Summary

• Micro-power operation optimized for low energy consumption applications
• Bidirectional communication support for flexible signal routing
• Magnetic coupling isolation ensuring reliable signal integrity

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing safe patient isolation barriers
• Power metering circuits for accurate measurement separation

Digital Isolators Procurement Notes

Verify availability status as the part may be subject to limited supply conditions or factory special orders. Confirm that the specific suffix matches the required packaging format, such as reel or cut tape, against your manufacturing needs. Ensure compliance with RoHS directives by checking the detailed certification documents provided by the manufacturer before finalizing procurement decisions.

Digital Isolators Selection Notes

Select this component when bidirectional isolation is required alongside low power constraints. The 20-lead SSOP package offers a compact footprint suitable for space-constrained designs. Consider the 2 Mbps data rate limit when evaluating system throughput requirements. The wide operating temperature range supports deployment in harsh industrial environments without additional thermal management.

Digital Isolators Part Context

This part belongs to the ADUM1442 series of digital isolators, which are designed to replace traditional optocouplers in modern electronic designs. The series emphasizes ultralow power operation and small form factors, available in both 16-lead QSOP and 20-lead SSOP packages. These devices provide high common-mode transient immunity and are intended for applications demanding reliable electrical isolation between circuit sections.

Digital Isolators Replacement Considerations

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