3.3V/5V High Speed CMOS Optocoupler

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The ACPL-072L digital optocoupler utilizes the latest CMOS IC technology to achieve an outstanding 25MBd minimum data rate and 6ns maximum pulse width distortion.

Basic building blocks of this digital optocoupler family are a CMOS LED driver IC, a high speed LED and a CMOS detector IC. A CMOS logic input signal controls the LED driver IC, which supplies current to the LED. The detector IC incorporates an integrated photodiode, a high speed transimpedance amplifier, and a voltage comparator with an output driver.

The ACPL-072L optocouplers are available in the SO-8 package style.

Reference design:
ACPL-072L and HCPL-0701 in ST Microelectronics' JTAG opto-isolation board (Direct to external site


  • 3.3V and 5V CMOS Compatibility
  • High Speed: DC to 25 MBd
  • 6ns max. Pulse Width Distortion
  • 40 ns max. Prop. Delay
  • 20 ns max.  Prop. Delay Skew
  • 10 kV/µs min. Common Mode Rejection
  • -40ºC to 105ºC Temperature Range
  • Safety and Regulatory Approvals Pending
    UL Recognised
    -3750V rms for 1 min. per UL1577 for ACPL-072L
    CSA Component Acceptance Notice #5
    IEC/EN/DIN EN 60747-5-2 for option 060
  • Options Available are:
    060 = IEC/EN/DIN EN 60747-5-2
    500 = Tape and Reel Packaging Option
    XXXE= Lead Free Option


  • Digital Fieldbus Isolation: CC-Link, DeviceNet, Profibus, SDS
  • Multiplexed Data Transmission
  • General Instrument and Data Acquisition
  • Computer Peripheral interface
  • Microprocessor System Interface

Lifecycle Status

Not Recommended for New Design

Replacement Part

Upgrade Part

Substance Compliance

  • RoHS
    Pb & Pb-free options available
Specification Value
Lifecycle Not Recommended for New Design
Distrib. Inventory Yes
RoHS6 Compliant Pb & Pb-free options available
Product Type High Speed CMOS Logic Gate
Package SO8
VDD (V) 3.3/5
Prop Delay (tPLH) Max. (µs) 40.0
Prop Delay (tPHL) Max. (µs) 40.0
CMR (min.) (V/µs) 10000.0
Vcm (V) 1000.0
UL Insulation Rating Viso (VRMS) 3750.0
IEC Maximum Working Insulation Voltage Viorm (VPEAK) 560
Application Brief1 i
Application Note2 i
Brochures1 i
Options Data Sheet4 i
Photocard1 i
Product Change Notice (PCN)9 i
Regulatory Certificate1 i
Reliability Data Sheet3 i
Selection Guide2 i
Technical Notes1 i
White Papers3 i
FAQs1 i
Promotional Material1 i


Low Power 3.3V/5V High Speed CMOS Optocoupler