Photo Coupler Logic Gate FODM8071R2

• Microprocessor System Interface: – SPI, I2C

• Industrial Fieldbus Communications: – DeviceNet, CAN, RS485

The FODM8071 is a 3.3 V / 5 V high−speed logic gate output optocoupler, which supports isolated communications allowing digital signals to communicate between systems without conducting ground loops or hazardous voltages. It utilizes patented coplanar packaging technology, OPTOPLANAR®, and optimized IC design to achieve high−immunity, characterized by high common mode rejection specifications.

This high−speed logic gate output optocoupler, housed in a compact 5−pin Mini−Flat package, consists of a highspeed AlGaAs LED at the input coupled to a CMOS detector IC at the output. The detector IC comprises an integrated photodiode, a high−speed transimpedance amplifier and a voltage comparator with an output driver. The CMOS technology coupled with a high−efficiency LED achieves low power consumption as well as very high speed (55 ns propagation delay, 20 ns pulse width distortion).

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