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The SFH6315/16/43, high speed optocouplers, each consists of a GaAlAs infrared emitting diode, optically coupled with an integrated photodetector and a high speed transistor. The photodetector is junction isolated from the transistor to reduce miller capacitance effects.
The open collector output function allows circuit designers to adjust the load conditions when interfacing with different logic systems such as TTL, CMOS, etc. Because the SFH6343 has a Faraday shield on the detector chip, it can also reject and minimize high input to output common mode transient voltages. There is no base connection, further reducing the potential electrical noise entering the package.
The SFH6315/16/43 are packaged in industry standard SOIC-8 packages and are suitable for surface mounting.
SFH6316 Maximum Ratings
Supply Voltage ............................................................0.5 to 30 V Output Voltage ..........................................................0.5 to³20 V Output Current....................................................................... 8 mA Total Power Dissipation (TA£70°C) ................................... 100 mW
SFH6316 Features
• Surface Mountable • Industry Standard SOIC-8 Footprint • Compatible with Infrared Vapor Phase Reflow and Wave Soldering Processes • Isolation Voltage, 2500 VRMS • Very High Common Mode Transient Immunity: 15000 V/ms at VCM=1500 V Guaranteed (SFH6343) • High Speed: 1 Mb/s • TTL Compatible • Guaranteed AC and DC Performance Over Temperature: 0°C to 70°C • Open Collector Output • Pin Compatible with HP Optocouplers SFH6315-HCPL0500 SFH6316-HCPL0501 SFH6343-HCPL0453
SFH6316 Typical Application
• Line Receivers • Logic Ground Isolation • Analog Signal Ground Isolation • Replace Pulse Transformers