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| Fiber Optic Transmitter MOF-T3C3 Features 1.Uni-directional data transmission using plastic fiber 2.Signal transmission speed :MAX. 13.2 Mbps (NRZ signal) 3.Operating voltage :2.75 to 5.25 V 4.TTL and high speed C-MOS LOGIC IC compatible Outline Dimensions Recommended drilling as viewd from the soldering face NOTES: Tolerance is 0.3mm unless otherwise noted. Absolute Maximum Ratings @ TA=25oC Parameter Supply voltage Input voltage Operating temperature Storage temperature Soldering temperature *1 For 5s (2 times or less) Symbol Vcc Vin Topr Tstg *1 Rating -0.5 to + 7.0 -0.5 to Vcc +0.5 -20 to +70 -40 to +70 260 Unit V V Tsol C C o C o o REV : A7 Unity Opto Technology Co., Ltd. 04/25/2002 1/4 Fiber Optic Transmitter MOF-T3C3 Recommended Operating Conditions Parameter Operating supply voltage Operating transfer rate Symbol Vcc T MIN. 2.75 --- TYP. ----- MAX. 5.25 13.2 Unit V Mbps Electro-Optical Characteristics Parameter Peak emission wavelength Optical power output coupling with fiber Dissipation current High level input voltage Low level input voltage Low to High delay time High to Low delay time Pulse width distortion Symbol p Pc Icc ViH ViL tpLH tpHL tw Conditions Refer to Fig. 1 Refer to Fig. 2 Refer to Fig. 2 Refer to Fig. 2 Refer to Fig. 3 Refer to Fig. 3 Refer to Fig. 3 MIN. 630 -21 --2.1 -------15 TYP. 660 -18 8 ----100 100 --- MAX. 690 -15 13 Vcc 0.8 180 180 +15 Unit nm dBm mA V V ns ns ns REV : A7 Unity Opto Technology Co., Ltd. 04/25/2002 2/4 Fiber Optic Transmitter Fig. 1 Measuring Method of Optical Output Coupling with Fiber Standard optical fiber cable MOF-T3C3 Unit to be measured Vin VCC MOF-T3C3 Optical power meter GND The optical power meter must be calibrated to have the wavelength sensitivity of 660 nm. ( 0dBm=1mW ) D VCC Notes (1)Vcc=5.0V (State of operating) (2)To bundle up the standard fiber optic cable, make it into a loop with the diameter D=10cm or more. Fig. 2 Measuring Method of Intput Voltage and Supply Current Standard optical fiber cable MOF-T3C3 Unit to be measured Vin VCC GND The optical power meter must be calibrated to have the wavelength sensitivity of 660 nm. ( 0dBm=1mW ) Vin Icc VCC Input conditions and judgement method Conditions Vin=2.1V or more Vin=0.8V or less Note: Vcc=5.0V (State of operating) Judgement method -21dBm<=Pc<=-15dBm, Icc=13mA or less Pc<=-36dBm, Icc=13mA or less REV : A7 Unity Opto Technology Co., Ltd. 04/25/2002 3/4 Fiber Optic Transmitter Fig.3 Measuring Method of Pulse Response MOF-T3C3 Standard optical fiber cable MOF-T3C3 Unit to be measured Vin VCC GND Standard receiver Output signal Oscilloscope VCC CH1 CH2 Input Input signal 1 1 0 0 50% 6.6 Mbps biphase PRBS signal Standard receiver output t PLH t PHL 50% Test item Test item Low to High pulse delay time High to Low pulse delay time Pulse width distortion (2 ) Vcc=5.0 (State of operating) (3) The probe for the oscilloscope must be more than 1M and less than 10pF. Symbol Test condition Refer to the above prescriptions Refer to the above prescriptions tw=t PHL- t PLH t PLH t PHL tw Notes (1) The waveform write time shall be 4 seconds. But do not allow the waveform to be distorted by increasing the brightness too much. REV : A7 Unity Opto Technology Co., Ltd. 04/25/2002 4/4 |
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