SI8421AB-D-ISR - Skyworks Solutions Inc.

Manufacturer Part Number

SI8421AB-D-ISR

Manufacturer

Skyworks Solutions, Inc.

Introduction

High-performance digital isolator with capacitive coupling technology

Product Features and Performance

2-channel unidirectional digital isolator

Propagation delay of 35ns max

Rise/fall time of 3.8ns/2.8ns

Pulse width distortion of 25ns max

1Mbps data rate

2500Vrms isolation voltage

Common mode transient immunity of 25kV/s (typical)

Operating temperature range of -40°C to 125°C

Product Advantages

Compact 8-SOIC package

High common mode transient immunity

Low propagation delay and pulse width distortion

Wide supply voltage range of 2.7V to 5.5V

Key Technical Parameters

Number of Channels: 2

Isolation Voltage: 2500Vrms

Propagation Delay: 35ns max

Rise/Fall Time: 3.8ns/2.8ns

Pulse Width Distortion: 25ns max

Data Rate: 1Mbps

Supply Voltage: 2.7V to 5.5V

Quality and Safety Features

Meets safety standards for industrial and medical applications

Robust capacitive coupling technology for reliable operation

Compatibility

Suitable for a wide range of digital interfaces and control systems

Application Areas

Industrial automation

Motor drives

Medical equipment

Instrumentation

General-purpose digital signal isolation

Product Lifecycle

This product is currently in active production and widely available.

Upgrades and replacements may be available in the future, but the SI8421 series remains a reliable and well-established solution.

Key Reasons to Choose This Product

High common mode transient immunity for robust operation in noisy environments

Low propagation delay and pulse width distortion for high-speed digital signal transmission

Wide supply voltage range for flexibility in design

Compact 8-SOIC package for space-constrained applications

Proven reliability and safety in industrial and medical applications