Description
The FOD2741 Optically Isolated Amplifier consists of the popular KA431 precision programmable shunt reference and an optocoupler. The optocoupler is a gallium arsenide (GaAs) light emitting diode optically coupled to a silicon phototransistor. It comes in 3 grades of reference voltage tolerance = 2%, 1%, and 0.5%.

FEATUREs
■ Optocoupler, precision reference and error amplifier in single package
■ 2.5V reference
■ CTR 100% to 200%
■ 5,000V RMS isolation
■ UL approved E90700, Volume 2 CSA approval 1296837 VDE approval 40002463 BSI approval 8702, 8703
■ Low temperature coefficient 50ppm/°C max.
■ FOD2741A: tolerance 0.5% FOD2741B: tolerance 1% FOD2741C: tolerance 2%

APPLICATIONs
■ Power supplies regulation
■ DC to DC converters