The HCPL3700 is a 8-pin DIP AC/DC To Logic Interface Optocoupler 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