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This literature is subject to all applicable copyright laws and is not for resale in any manner.FODM8071 3.3V/5V Logic Gate Output Optocoupler with High Noise Immunity December 2014 FODM8071 3.3V/5V Logic Gate Output Optocoupler with High Noise Immunity Features Description High-noise Immunity Characterized by Common The FODM8071 is a 3.3V/5V high-speed logic gate Mode Rejection output optocoupler, which supports isolated communica- tions allowing digital signals to communicate between 20 kV/s Minimum Common Mode Rejection systems without conducting ground loops or hazardous High Speed voltages. It utilizes Fairchilds patented coplanar packag- 20 Mbit/s Date Rate (NRZ) ing technology, Optoplanar , and optimized IC design to 55 ns Maximum Propagation Delay achieve high-immunity, characterized by high common 20 ns Maximum Pulse Width Distortion mode rejection specifications. 30 ns Maximum Propagation Delay Skew This high-speed logic gate output optocoupler, housed in 3.3 V and 5 V CMOS Compatibility a compact 5-pin Mini-Flat package, consists of a high- Specications Guaranteed Over 3 V to 5.5 V Supply speed AlGaAs LED at the input coupled to a CMOS Voltage and -40C to +110C Temperature Range detector IC at the output. The detector IC comprises an integrated photodiode, a high-speed transimpedance Safety and Regulatory Approvals: amplifier and a voltage comparator with an output driver. UL1577, 3750 VAC for 1 Minute RMS The CMOS technology coupled with a high-efficiency DIN EN/IEC60747-5-5 LED achieves low power consumption as well as very high speed (55 ns propagation delay, 20 ns pulse width Applications distortion). Microprocessor System Interface: 2 Related Resources SPI, I C Industrial Fieldbus Communications: FOD8001 Product Folder DeviceNet, CAN, RS485 FOD0721 Product Folder Programmable Logic Control Isolated Data Acquisition System Voltage Level Translator Schematic and Package Outline Truth Table ANODE 1 6 V DD LED Output Off High 5 V O On Low CATHODE 3 4 GND Figure 1. Schematic and Package Outline 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FODM8071 Rev. 1.5