Digital Isolators

Silicon Labs' CMOS digital isolator products enable lower cost, smaller size, higher performance, lower power and more reliable isolated circuits than competing optocoupler solutions. The Si84xx, Si86xx and Si87xx families of one to six-channel bi- and unidirectional digital isolators support isolation voltage ratings up to 5 kV. With a broad product portfolio, a proven track record of industry innovation and an unwavering commitment to engineering excellence — Silicon Labs isolation technology is ready to meet your isolation needs.
Isolator Parametric Search  

Search for Devices

Find products fast — use online or download the parametric search iPad app
Development Tools  

Development Tools

Reference designs and other tools to make system design easier
Documentation  

Documentation

Data sheets, application notes and other design collateral
 
 
 
 
 
 

Learn More

 
 

Online Utilities

Isolator Power Calculator

Isolator Power Calculator

Define basic information about your isolation set-up & find out what your power budget will be
Bootstrap Calculator

Bootstrap Calculator

Calculate the high-side bootstrap capacitor value & worst-case recharge current