40 ns Propagation Delay, CMOS Optocouplers

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Available in an 8-pin DIP package style, the HCPL-7720 high speed optocoupler utilizes the latest CMOS IC technology to achieve outstanding performance with very low power consumption. It requires only two bypass capacitors for complete CMOS compatibility.

Basic building blocks of the HCPL-7720 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.



  • 5 V CMOS Compatibility
  • 20 ns max. Prop. Delay Skew
  • High Speed: 25 MBd
  • 40 ns max. Prop. Delay
  • 10 kV/us Minimum Common Mode Rejection
  • -40 degrees C to 85 degrees C Temp. Range
  • Safety and Regulatory Approvals:
UL Recognized: 3750 V rms for 1 min. per UL1577
CSA Component Acceptance Notice #5
IEC/EN/DIN EN 60747-5-2 VIORM = 630 Vpeak for Option 060
  • Options available are:
060 = IEC/EN/DIN EN 60747-5-2 Option
300 = Gull Wing Surface Mount Option
500 = Tape and Reel Packaging Option
XXXE = Lead Free Option


  • Digital Fieldbus Isolation: CC-Link, DeviceNet, Profibus, SDS
  • AC Plasma Display Panel Level Shifting
  • Multiplexed Data Transmission
  • Computer Peripheral Interface
  • Microprocessor System Interface

Lifecycle Status


Substance Compliance

  • RoHS
    Pb & Pb-free options available
Specification Value
Lifecycle Active
Distrib. Inventory Yes
CMR (min.) (V/µs) 10000.0
Vcm (V) 1000.0
RoHS6 Compliant Pb & Pb-free options available
Package 300mil DIP-8
Product Type High Speed CMOS Logic Gate
Prop Delay (tPHL) Max. (µs) 40.0
Prop Delay (tPLH) Max. (µs) 40.0
PWD (max.) 8
VDD (V) 5
UL Insulation Rating Viso (VRMS) 5000.0
IEC Maximum Working Insulation Voltage Viorm (VPEAK) 630
Data Rate 25
Application Brief1 i
Application Note6 i
Brochures2 i
Data Sheet1 i
Design Guide1 i
FAQs1 i
Obsolescence Notice1 i
Options Data Sheet6 i
Product Change Notice (PCN)17 i
Promotional Material1 i
Regulatory Certificate3 i
Reliability Data Sheet4 i
Selection Guide2 i
Technical Notes1 i
White Papers4 i


3.3V/5V High Speed CMOS Optocoupler