Fiber Optic Receiver MOF-R3C4 Features Outline Dimensions 1.Uni-directional data transmission using plastic fiber 2.Signal transmission speed :MAX. 13.2 Mbps (NRZ signal) 3.Operating voltage :4.75 to 5.25 V 4.TTL compatible 5.Suitable for MOF-T3C4 Transmitter Recommended drilling as viewd from the soldering face NOTES: Tolerance is ±0.3mm unless otherwise noted. @ TA=25oC Absolute Maximum Ratings Symbol Rating Unit Supply voltage Vcc -0.5 to + 6 V High Level Output Current IOH -1 mA Low Level Output Current IOL 5 mA Operating temperature Topr -20 to +70 Parameter Storage temperature Soldering Temperature Tstg TSOL -30 to +80 260* o C C o C o * For 5s (1 times or less) REV: A2 Unity Opto Technology Co., Ltd. 04/01/2002 1/4 Fiber Optic Receiver MOF-R3C4 Recommended Operating Conditions Parameter Symbol Vcc Operating supply voltage Operating transfer rate T receiver input optical power level Pc MIN. 4.75 0.1 -24 TYP. 5.0 ----- MAX. 5.25 13.2 -14.5 Unit V Mbps dBm Recommended Connection Method Fiber Optic Connector insertion side Fiber Optic Receiving Module 1 2 3 Less than 7mm 0.1µF Vcc Vout GND (Bottom view) 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. MAX. Unit --15 40 mA 2.4 4.8 --V --0.2 0.4 V --10 20 ns --10 20 ns --100 180 ns --100 180 ns -15 --+15 ns REV: A3 Unity Opto Technology Co., Ltd. 04/01/2002 2/4 Fiber Optic Receiver MOF-R3C4 Fig. 1 Measuring Method of Supply Current. Fiber optic cable MOF-R3C4 Standard transmitter MOF-T3C4 Vin VCC VCC GND VOUT GND A Ammeter VCC D 5V Input 13.2 Mbps NRZ, Duty 50% or 6.6 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: A3 Unity Opto Technology Co., Ltd. 04/01/2002 3/4 Fiber Optic Receiver MOF-R3C4 Fig. 2 Measuring Method of Output Voltage and Pulse Response Fiber optic cable Standard transmitter MOF-T3C4 MOF-R3C4 VCC VCC Vin VOUT GND GND VCC Input 5V Oscilloscope CH1 13.2 Mbps NRZ, Duty 50% 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 CH2 Symbol t PLH t PHL tr t 50% Standard transmitter Input signal (CH1) tr f tf VOH Δtw VOH VOL 90% Output signal (CH2) VOL 50% 10% tPLH tPHL REV: A3 Unity Opto Technology Co., Ltd. 04/01/2002 4/4