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Si871x Digital Isolators

Silicon Labs' offers Si871x digital isolators providing a drop-in replacement solution for optocoupler isolators

Image of Silicon Laboratories' Si871x Digital IsolatorsSilicon Labs’ Si871x family of digital isolators provides a drop-in replacement solution for optocouplers. The Si871x devices provide superior noise immunity, more robust performance, and greater reliability than optocouplers. They are also the first optocoupler replacements based on mainstream CMOS technology and incorporating an innovative LED emulator front-end.

The Si871x isolators offer ideal configurations, packages, and footprints to replace a wide range of optocoupler products used in solar power inverters, switched mode power supplies (SMPS), uninterruptible power supplies (UPS), industrial drives, programmable logic controllers (PLC) and high-voltage medical equipment.

Applications

  • Industrial and motor drive
  • Power converters (SMPS, UPS)
  • Automotive
  • Consumer electronics
  • General purpose I/O
Key Features Customer Benefits
Improved performance over alternatives with no aging effects
  • Simplified design; no need to account for changes with age
  • Elevated common mode noise immunity
  • Reduced power requirements
Industry-leading isolation technology
  • 3.75 or 5 kVrms of galvanic isolation
  • Over 60 years isolation barrier lifetime
  • Reinforced IEC 60747-5-2 compliance, including 10 kV surge protection
LED emulator input and drop-in compatible footprint
  • No need to change drive circuitry
  • No changes to PCB

Si871x Digital Isolators

ImageManufacturer Part NumberDescriptionAvailable Quantity
DGTL ISO 3750VRMS 1CH GP 8SOICSI8711AC-B-ISDGTL ISO 3750VRMS 1CH GP 8SOIC108 - ImmediateView Details
DGTL ISO 3750VRMS 1CH GP 8DIP GWSI8710CC-B-IPDGTL ISO 3750VRMS 1CH GP 8DIP GW666 - ImmediateView Details
DGTL ISO 5000VRMS 1CH GP 6DIP GWSI8710AD-B-ISDGTL ISO 5000VRMS 1CH GP 6DIP GW5021 - ImmediateView Details
DGTL ISO 5000VRMS 1CH GP 6DIP GWSI8710CD-B-ISDGTL ISO 5000VRMS 1CH GP 6DIP GW2011 - ImmediateView Details
DGTL ISO 3750VRMS 1CH GP 8DIP GWSI8711BC-B-IPDGTL ISO 3750VRMS 1CH GP 8DIP GW1 - ImmediateView Details

Sample Kit

ImageManufacturer Part NumberDescriptionAvailable Quantity
KIT EVAL GW 8DIP SI871XSI87XXDIP8-KITKIT EVAL GW 8DIP SI871X1 - ImmediateView Details

Evaluation Kits

ImageManufacturer Part NumberDescriptionAvailable Quantity
KIT EVAL GW 8DIP SI871XSI87XXDIP8-KITKIT EVAL GW 8DIP SI871X1 - ImmediateView Details
KIT EVAL GW 8SOIC SI871XSI87XXSOIC8-KITKIT EVAL GW 8SOIC SI871X0View Details
Published: 2012-09-18