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| SFH551/1 SFH551/1V Integrated Photo Detector Receiver for Plastic Fiber Plastic Connector Housing Preliminary Data Features * Bipolar IC with open-collector output * Digital output, TTL compatible * Sensitive in visible and near IR range * Low switching threshold * Transfer rate 5 Mbitls * 2,2 mm aperture holds standard 1000 micron plastic fiber * No fiber stripping required * Molded microlens for efficient coupling Plastic Connector Housing * Mounting screw attached to the connector * Interference-free transmission from light-tight housing * Transmitter and receiver can be flexibly positioned * No cross talk * Auto insertable and wave solderable * Supplied in tubes Applications * Household electronics * Power electronics * Optical networks * Medical instruments * Automotive electronics Type SFH 551/1-1 SFH 551/1-2 SFH 551/1-1V SFH 551/1-2V Ordering Code Q62702P3180 Q62702P3218 Q62702P3181 Q62702P3219 Semiconductor group page1 from 4 13.09.96 SFH551/1 SFH551/1V Block Diagram Vcc Data Gnd A bypass capacitor (100nF) near the device (distance3cm) is necessary between ground and VCC. Description The SFH551/1V is a transimpedance amplifier with digital TTL open collector output stage and integrated photodiode. The active area of the detector in connection with the molded microlens gives an efficient coupling from the end of a plastic fiber. The receiver is fully DC coupled and therefore no line code is needed. The SFH551/1V includes a Schmitt trigger function to provide stable output states over the whole dynamic range. With noise free Vcc and GND no undefined output signal is possible SFH551/1 must not be used without shielding the ambient light, because ambient light causes malfunction when reaching the threshold level, noise or complete switching the output. Interference free transmission is possible by using the SFH551/1V with the black plastic connector housing. Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Soldering Temperature (2mm from case bottom t5s) Supply Voltage Range without Damage Minimum Supply Voltage for Function Minimum Pullup Resistance (VCC =5V) Output Voltage Output Current Power Dissipation (output) Symbol TOP TSTG TS VCC VCCmin Routmin V0 I0 P0 Values -40 to +85 -55 to +100 260 -0,5 to 15 4 330 -0,5 to 15 50 100 Unit C C C V V V mA mW Semiconductor group page2 from 4 13.09.96 SFH551/1 SFH551/1V Characteristics (TA = 25C, VCC = 4,75 to 5,25 V) Parameter Maximum Photosensitivity Wavelength Photosensitivity Spectral Range (S=80% Smax) SFH 551/1-1 Optical threshold power ( =660nm) SFH 551/1-2 Optical threshold power ( =660nm) Maximum optical power (=660nm) maximum value of tpLH at maximum power ! Optical power for output high without errors (=660nm) Propagation delay (optical input to electrical output, with fast optical pulse) Current Consumption (without output current) Symbol Smax Values 700 600 to 780 Unit nm nm INth 6 - 22 W dBm W dBm W dBm W dBm ns ns mA INth 10 -20 INL INH 1000 0 0,1 -40 tPHL tPLH Icc < 100 < 250 4 Semiconductor group page3 from 4 13.09.96 SFH551/1 SFH551/1V Packages Outlines (dimensions in mm, unless otherwise specified) SFH 551/1 SFH 551/1V Semiconductor group page4 from 4 13.09.96 |
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