MOF-R3K5

Fiber Optic Receiver Features 1.Uni-directional data transmission using plastic fiber 2.Signal transmission speed :MAX. 6 Mbps (NRZ signal) 3.Operating voltage :4.75 to 5.25 V 4.TTL compatible 5.Suitable for MOF-T3K5 Transmitter MOF-R3K5 Outline Dimensions Recommended drilling as viewd from the soldering face NOTES: Tolerance is ±0.3mm unless otherwise noted. @ TA=25oC Symbol Vcc IOH IOL Topr Tstg TSOL Rating -0.5 to + 7 -1 5 -20 to +70 -30 to +80 260* Unit V mA mA Absolute Maximum Ratings Parameter Supply voltage High Level Output Current Low Level Output Current Operating temperature Storage temperature Soldering Temperature * For 5s (1 times or less) C C o C o o REV: A1 Unity Opto Technology Co., Ltd. 09/11/2001 1/4 Fiber Optic Receiver Recommended Operating Conditions Parameter Symbol Vcc Operating supply voltage Operating transfer rate T receiver input optical power level Pc MOF-R3K5 MIN. 4.75 0.1 -22 TYP. 5.0 ----- MAX. 5.25 6 -14.5 Unit V Mbps dBm Recommended Connection Method Fiber Optic Connector insert Fiber Optic Receiving Module 1 Less than 7mm 47µH Vcc 0.1µF 2 3 GND (Bottom view) Vout Electro-Optical Characteristics Parameter Dissipation current High level output voltage Low level output voltage Rise time Fall time Low →High delay time High →Low delay time Pulse width distortion Symbol Icc VOH VOL tr tf tpLH tpHL ∆tw Conditions Refer to Fig. 1 Refer to Fig. 2 Refer to Fig. 2 Refer to Fig. 2 Refer to Fig. 2 Refer to Fig. 2 Refer to Fig. 2 Refer to Fig. 2 MIN. TYP. --20 2.7 4.4 --0.2 --20 --20 ---------30 --- MAX. Unit 40 mA --V 0.4 V 40 ns 40 ns 180 ns 180 ns +30 ns REV: A1 Unity Opto Technology Co., Ltd. 09/11/2001 2/4 Fiber Optic Receiver Fig. 1 Measuring Method of Optical Output Coupling with Fiber Fiber optic cable Standard transmitter MOF-T3K5 Vin VCC MOF-R3K5 MOF-R3K5 VCC GND A GND VOUT D 5V Ammeter VCC Input 6 Mbps NRZ, Duty 50% or 3 Mbps biphase mark PRBS signal 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. (3)Pc = -14.5 dBm (4)Measured on an ammeter. REV: A1 Unity Opto Technology Co., Ltd. 09/11/2001 3/4 Fiber Optic Receiver Fig. 2 Measuring Method of Output Voltage and Pulse Response Fiber optic cable Standard transmitter MOF-T3K5 VCC Vin VCC GND MOF-R3K5 MOF-R3K5 GND VOUT VCC Input 5V Oscilloscope CH1 6 Mbps NRZ, Duty 50% CH2 Test item Test item Low →High pulse delay time High → Low pulse delay time Rise time Fall time Pulse width distortion Δtw = t PHL - t PLH High level output voltage Low level output voltage Symbol t PLH t PHL tr t f Standard transmitter Input signal (CH1) 50% tr VOH tf Δtw VOH VOL 90% Output signal (CH2) VOL tPLH tPHL 50% 10% REV: A1 Unity Opto Technology Co., Ltd. 09/11/2001 4/4