OPI1268S (TT ELECTRONICS / OPTEK TECHNOLOGY)

The OPI1268S from Optek Technology is a high voltage/high speed opto-isolator in 6 pin DIP package. This voltage isolator with a digital output that is capable of high speed data transmission. The input of the OPI1268 consists of a high efficiency GaAlAs LED with a peak wavelength of 850nm which is optically coupled to the output optical IC. A photo logic device in the output IC detects the incoming modulated light and converts it to a proportionate current. This current is fed into a high gain linear amplifier which is temperature, current and voltage compensated.  The result is a highly stable digital output with an open collector inverter configuration. This device produces DC and AC voltage isolation between the input and output circuitry while providing TTL signal integrity. It is used in transportation systems, PC board power systems, hybrid vehicle systems, medical systems and control systems.