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Home » NEWEST Products » New by Manufacturer » Silicon Labs » Silicon Labs Si87xx 5kV Optocoupler Replacement Isolators
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Silicon Labs

Silicon Labs Si87xx 5kV
Optocoupler Replacement Isolators

Silicon Labs Si87xx 5kV Optocoupler Replacement Isolators are pin-compatible, one-channel, drop-in replacements for popular optocouplers with data rates up to 15 Mbps. These devices isolate high-speed digital signals and offer performance, reliability, and flexibility advantages not available with optocoupler solutions. The Si87xx series is based on Silicon Labs' proprietary CMOS isolation technology for low-power and high-speed operation and are resistant to the wear-out effects found in optocouplers that degrade performance with increasing temperature, forward current, and device age. As a result, the Si87xx series offer longer service life and dramatically higher reliability compared to optocouplers.

Features
  • Pin-compatible, drop-in upgrades for popular high-speed digital optocouplers
  • Performance and reliability advantages vs. optocouplers
    • Resistant to temperature, age and forward current effects
    • 10x lower FIT rate for longer service life
    • Higher common-mode transient immunity: >50 kV/μs typical
    • Lower power and forward input diode current
  • PCB footprint compatible with optocoupler packaging
  • Wide range of product options
  • 1 channel diode emulator input
  • 3 to 30 V open collector output
  • Propagation delay 30 ns
  • 3.75 and 5 kV reinforced isolation
    • UL, CSA, VDE
  • Wide operating temperature range
    • -40 to +125 °C
  • RoHS-compliant packages
Applications
  • Industrial automation
  • Motor controls and drives
  • Isolated switch mode power supplies
  • Isolated data acquisition
  • Test and measurement equipment

Additional Resources

Si87xx Datasheet
SI87xx-EVB User's Guide
AN681 - Using the Si87xx Family of Digital Isolators
AN729 - Replacing Traditional Optocouplers with Si87xx Digital Isolators

Part Number

Package
Input/Output
Configuration
Data
Rate
Insulation
Rating
Si8710BD-B-IS SDIP-6 High CMTI LED input Open collector output 15Mbps 5.0 kVrms
Si8710BC-B-IP DIP-8/GW High CMTI LED input Open collector output 15Mbps 3.75 kVrms
Si8710BC-B-IS SOIC-8 High CMTI LED input Open collector output 15Mbps 3.75 kVrms
Si8711BD-B-IM LGA-8 High CMTI LED input Open collector output w/integrated pullup 15Mbps 5.0 kVrms
Si8711BC-B-IP DIP-8/GW High CMTI LED input Open collector output w/integrated pullup 15Mbps 3.75 kVrms
Si8711BC-B-IS SOIC-8 High CMTI LED input Open collector output w/integrated pullup 15Mbps 3.75 kVrms
Si8712BD-B-IM LGA-8 High CMTI LED input Open collector output w/enable 15Mbps 5.0 kVrms
Si8712BC-B-IP DIP-8/GW High CMTI LED input Open collector output w/enable 15Mbps 3.75 kVrms
Si8712BC-B-IS SOIC-8 High CMTI LED input Open collector output w/enable 15Mbps 3.75 kVrms
Si8710AD-B-IS SDIP-6 LED input Open collector output 15Mbps 5.0 kVrms
Si8710AC-B-IP DIP-8/GW LED input Open collector output 15Mbps 3.75 kVrms
Si8710AC-B-IS SOIC-8 LED input Open collector output 15Mbps 3.75 kVrms
Si8711AD-B-IM LGA-8 LED input Open collector output w/integrated pullup 15Mbps 5.0 kVrms
Si8711AC-B-IP DIP-8/GW LED input Open collector output w/integrated pullup 15Mbps 3.75 kVrms
Si8711AC-B-IS SOIC-8 LED input Open collector output w/integrated pullup 15Mbps 3.75 kVrms
Si8712AD-B-IM LGA-8 LED input Open collector output w/enable 15Mbps 5.0 kVrms
Si8712AC-B-IP DIP-8/GW LED input Open collector output w/enable 15Mbps 3.75 kVrms
Si8712AC-B-IS SOIC-8 LED input Open collector output w/enable 15Mbps 3.75 kVrms
Si8710CD-B-IS SDIP-6 LED input Open collector output 1Mbps 5.0 kVrms
Si8710CC-B-IP DIP-8/GW LED input Open collector output 1Mbps 3.75 kVrms
Si8710CC-B-IS SOIC-8 LED input Open collector output 1Mbps 3.75 kVrms
Si8711CD-B-IM LGA-8 LED input Open collector output w/integrated pullup 1Mbps 5.0 kVrms
Si8711CC-B-IP DIP-8/GW LED input Open collector output w/integrated pullup 1Mbps 3.75 kVrms
Si8711CC-B-IS SOIC-8 LED input Open collector output w/integrated pullup 1Mbps 3.75 kVrms
Si8712CD-B-IM LGA-8 LED input Open collector output w/enable 1Mbps 5.0 kVrms
Si8712CC-B-IP DIP-8/GW LED input Open collector output w/enable 1Mbps 3.75 kVrms
Si8712CC-B-IS SOIC-8 LED input Open collector output w/enable 1Mbps 3.75 kVrms

Description
Si87xxDIP8-KIT LED Emulator Input Isolation Evaluation Kit for Gull-Wing DIP Package
Si87xxSOIC8-KIT   LED Emulator Input Isolation Evaluation Kit for SOIC-8 Package
Si87xxSAMP-KIT Si87xx Sample Pack that contains six different optocoupler replacement products
* = Functional Match
Block Diagram
Block Diagram
  • Silicon Labs
  • Semiconductors|Integrated Circuits|IC-Interface