Low Power 10MBd Digital CMOS Optocoupler in 15mm Stretched SO8 Package

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ACNT-H61L is a low-power digital optocoupler device in 15mm wide creepage and 14.2mm clearance that combines a light emitting diode (LED) and an integrated high gain photo detector designed to provide optically isolated interface for system control and data communications interface. The device is extremely low power, consuming up to 2 mA of supply current across wide temperature range. The LED forward current operates from 4.5 mA.

This optocoupler supports either 3.3V or 5V supply with guaranteed AC and DC performance from -40 °C to +105 °C. The output of the photo detector is a CMOS output. The internal Faraday shield provides a minimum of 20 kV/µs CMR minimizing errors in noisy environment.

ACNT-H61L is well suited for isolated communication logic interface and control in high-voltage power systems such as high-voltage power systems eg. 1500V PV systems, 690Vac drives, renewable inverters, and medical equipment.


  • Low power supply current (IDD): 2 mA max
  • Low input current capability: 4.5 mA min
  • 20 kV/µs min common mode rejection (CMR) at VCM = 1,000 V
  • High speed interface: 10 MBd min
  • Guaranteed AC and DC performance over wide temperature: -40 °C to +105 °C
  • 15mm Stretched SO8 package
  • Internal clearance: 0.5 mm
  • Safety and regulatory approvals
- UL 1577 recognized: 7,500 VRMS for 1 minute
- CSA approved
- IEC/EN 60747-5-5 approved for reinforced insulation: VIORM = 2,262 VPK and VIOTM = 12,000 VPK


  • Communication Interface: RS485, CAN Bus
  • Digital Isolation for A/D, D/A Converstion 
  • High Voltage Power Systems (i.e., 690VAC Drives)
  • Renewable Energy Inverters (i.e., 1500V PV)
  • Medical Imaging and Patient Monitoring
  • Overvoltage CAT IV Isolation (i.e., utility test equipment)

Lifecycle Status


Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Active
Distrib. Inventory Yes
RoHS6 Compliant Y
Product Type 10 MBd Logic Gate
Package Stretched SO8
VDD (V) 3.3/5
IF Min. (mA) 5.0
Prop Delay (tPLH) Max. (µs) 100.0
Prop Delay (tPHL) Max. (µs) 100.0
CMR (min.) (V/µs) 20000.0
Vcm (V) 1000.0
UL Insulation Rating Viso (VRMS) 7500.0
IEC Maximum Working Insulation Voltage Viorm (VPEAK) 2262
Data Sheet1 i
Product Brief1 i
Reliability Data Sheet1 i
Technical Notes2 i
User Guide1 i
FAQs1 i
Application Note1 i
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