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HCPL-3700 A3700 AC/DC To Logic Interface Optocoupler IC DIP-8 Package

139.00 Excluding tax

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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

* product image for illustration purposes only. actual product may vary.


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