High CMR, High Speed Optocouplers

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The HCPL-4504 and HCPL-0454 contain a GaAsP LED while the HCPL-J454 and HCNW4504 contain an AlGaAs LED. The LED is optically coupled to an integrated high gain photo detector.It contains a GaAsP LED. The LED is optically coupled to an integrated high gain photo detector. The CTR, propagation delay, and CMR are specified both for TTL and Intelligent Power Module (IPM) interface conditions for ease of application.

The HCPL-4504 series has short propagation delays and high CTR. The HCPL-4504 series also has a guaranteed propagation delay difference (tPLH-tPHL). These features make the HCPL-4504 series an excellent solution to IPM inverter dead time and other switching problems. This single channel, diode-transistor optocoupler is available in a SO-8 package. An insulating layer between a LED and an integrated photodetector provides electrical insulation between input and output.

Separate connections for the photodiode bias and output-transistor collector increase the speed up to a hundred times that of a conventional phototransistor coupler by reducing the base collector capacitance.



  • Short Propagation Delays for TTL and IPM Applications
  • 15 kV/ms Minimum Common Mode Transient Immunity at Vcm = 1500V for TTL/Load Drive
  • High CTR at TA = 25 degrees C
    >25% for HCPL-0454
  • Electrical Specifications for Common IPM Applications
  • TTL Compatible
  • Guaranteed Performance from 0 degrees C to 70 degrees C
  • Open Collector Output
  • Safety Approval
UL Recognized - 3750 Vrms/1 min.
CSA Approved
IEC/EN/DIN EN 60747-5-2 Approved - VIORM = 560 Vpeak for Option 060
  • Options available are:
060 = IEC/EN/DIN EN 60747-5-2 Option
500 = Tape and Reel Packaging Option
XXXE = Lead Free Option


  • Inverter Circuits and Intelligent Power Module (IPM) interfacing - High Common Mode Transient Immunity (> 10 kV/ms for an IPM load/drive) and (tPLH - tPHL) Specified
  • Line Receivers - Short Propagation Delays and Low Input-Output Capacitance
  • High Speed Logic Ground Isolation - TTL/TTL, TTL/CMOS, TTL/LSTTL
  • Replaces Pulse Transformers - Save Board Space and Weight
  • Analog Signal Ground Isolation - Integrated Photodetector Provides Improved Linearity over Phototransistors

Lifecycle Status


Substance Compliance

  • RoHS
    Pb & Pb-free options available
Specification Value
Lifecycle Active
Distrib. Inventory Yes
Product Type 1 MBd Transistor Optocoupler
RoHS6 Compliant Pb & Pb-free options available
IF Min. (mA) 12.0
CTR Min. (%) 21.0
Prop Delay (tPLH) Max. (µs) 1.4
Prop Delay (tPHL) Max. (µs) 1.0
PDD Max (µs) 1.3
CMR (min.) (V/µs) 10000.0
Vcm (V) 1500.0
UL Insulation Rating Viso (VRMS) 3750
IEC Maximum Working Insulation Voltage Viorm (VPEAK) 560.0
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