SI8281ED-ISR

Isolators - Gate Drivers Overview

The SI8281ED-ISR is a single-channel digital isolator from Skyworks Solutions, designed for robust signal transmission across isolation barriers. It features a high common-mode transient immunity of 100 kV/µs and operates with a supply voltage range of 3.0 V to 5.5 V on both sides. The device provides up to 5 kVrms isolation voltage and supports data rates up to 150 Mbps. It utilizes CMOS technology for low power consumption and includes a built-in delay time of 16 ns typical. The component is housed in an 8-lead SOIC package with wide body (ISR suffix), ensuring compatibility with standard surface-mount assembly processes.

Isolators - Gate Drivers Feature Summary

• High common-mode transient immunity ensures reliable operation in noisy environments
• Low propagation delay supports high-speed digital communication
• Wide operating temperature range suitable for industrial applications
• Single-channel configuration simplifies circuit design

Isolators - Gate Drivers Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing safe patient isolation
• Power electronics control circuits
• Automotive infotainment and sensor interfaces

Isolators - Gate Drivers Procurement Notes

Verify the exact part number including the ISR suffix to confirm the package type and tape-and-reel packaging option. Ensure compliance with RoHS directives if required by your region. Check for any specific handling precautions related to electrostatic discharge during storage and assembly. Confirm that the isolation voltage ratings meet the safety standards applicable to your final product design.

Isolators - Gate Drivers Selection Notes

Choose this component when a single isolated channel is sufficient for your application. Consider the 150 Mbps data rate capability against your system's speed requirements. Evaluate the 5 kVrms isolation rating against the voltage stress expected in your environment. Compare power consumption figures with other available options if energy efficiency is a critical design constraint.

Isolators - Gate Drivers Part Context

This device belongs to Skyworks' Si82xx family of digital isolators, which are known for their reliability and performance in demanding applications. The family offers various configurations including single, dual, and quad channels. The SI8281ED specifically targets applications requiring high-speed data transfer with strong isolation capabilities, making it a versatile choice for modern electronic designs.

Isolators - Gate Drivers Replacement Considerations

Direct replacements may include other single-channel isolators from Skyworks or competitors like Analog Devices and Texas Instruments, provided they match the pinout, isolation voltage, and data rate specifications. Verify that any substitute component meets the same safety certifications and package dimensions to ensure mechanical compatibility.