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  • HCPL-3700 - A3700 IC - AC/DC To Logic Interface Optocoupler IC

The HCPL-3700 voltage/current threshold detection optocoupler consists of an AlGaAs LED connected to a threshold sensing input buffer IC which are optically coupled to a high gain darlington output. The input buffer chip is capable of controlling threshold levels over a wide range of input voltages with a single resistor. The output is TTL and CMOS compatible.


• AC or DC input 

Programmable sense voltage 

Logic level compatibility 

Threshold guaranteed over temperature (0°C to 70°C) 

Optoplanar™ construction for high common mode immunity 

UL recognized (file # E90700) 

VDE certified – ordering option ‘V’, e.g., HCPL3700V 


 Low voltage detection 

5 V to 240 V AC/DC voltage sensing 

Relay contact monitor 

Current sensing 

Microprocessor Interface 

Industrial controls 


Symbol Parameter Value Unit
TOPR   Operating temperature -40 to +85 °C
VIN Input Voltage -0.5 (Max.) V
PO Output Power dissipation 210 (Max.) mW
Vo Output Voltage -0.5 to 20 V
TSTG Storage temperature range - 55 to + 150 °C
TSOL Lead Solder Temperature 260 for 10 sec °C
Vcc Supply Voltage -0.5 to 20 V
Io Output Current 30 (Max.) mA

Related Document:-

 HCPL-3700 IC Data Sheet

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HCPL-3700 - A3700 IC - AC/DC To Logic Interface Optocoupler IC

  • Product Code: EC-3116
  • Availability: 315
  • Rs.135.00