OPTEK Technology has released an optical isolator that delivers AC and DC voltage isolation up to 16 kV while achieving digital data transmission rates of 2 Mbd.
The UL-recognised, high-voltage OPI1268 is designed for power isolation in PC board circuits in industrial electronics systems, medical electronic equipment and office machines.
The output IC detects the incoming optical signal and converts it to a proportionate current, which is fed through a high-gain linear amplifier and compensated for temperature, current and voltage, resulting in a highly stable digital output with an open collector inverter configuration. The optoisolator combines a high efficiency GaAlAs (Gallium Aluminum Arsenide) LED with a peak wavelength of 850 nm, optically coupled to a Photologic photodiode in the output IC.
Forward current is 10 mA typical/50 mA max, with typical propagation delays of less than 500 ns. Creepage distance/air path is 24,64 mm and the device is packaged in an opaque, high-dielectric plastic housing measuring 27,94 x 6,35 x 8,89 mm with a five-lead configuration. Operating temperature range is from
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