Broadcom ACPL-665xL High-Speed Optocouplers

Broadcom ACPL-665xL High-Speed Optocouplers are capable of operating and storing over a full military temperature range of -55°C to +125°C. These single-, dual-, and quad-channel hermetically sealed optocouplers operate at 3.3V supply voltage and withstand 1500VDC of test voltage. Broadcom ACPL-665xL High-Speed Optocouplers are TTL circuit compatible. Applications include military and aerospace, high-reliability systems, voltage level shifting, and logic ground isolation.


  • Low power consumption
  • 3.3V supply voltage
  • Dual marked with device part number and DLA standard microcircuit drawing (SMD)
  • Manufactured and tested on a MIL-PRF-38534 certified line
  • QML-38534, Class H, and Class K
  • 4 hermetically sealed package configurations
  • Reliable performance over a full military temperature range of -55°C to +125°C
  • High-speed 10Mbd (typical)
  • >10000V/μs (typical) CMR
  • 1500VDC withstand test voltage
  • TTL circuit compatibility
  • HCPL-260L/060L/263L/063L function compatibility


  • Military and aerospace
  • High-reliability systems
  • Transportation, medical, and life-critical systems
  • Line receivers
  • Voltage level shifting
  • Isolated input line receivers
  • Isolated output line drivers
  • Logic ground isolation
  • Harsh industrial environments
  • Isolation for computer, communication, and test equipment systems

Functional Diagrams

Broadcom ACPL-665xL High-Speed Optocouplers
Published: 2019-03-25 | Updated: 2023-06-30