Fiber Optic Transmitter
Features
1.Uni-directional data transmission using plastic fiber 2.Signal transmission speed :MAX. 8 Mbps (NRZ signal) 3.Operating voltage :4.75 to 5.25 V 4.TTL and high speed C-MOS LOGIC IC compatible
MOF-T3K5
Outline Dimensions
Recommended drilling as viewd from the soldering face
NOTES: Tolerance is ±0.3mm unless otherwise noted.
Absolute Maximum Ratings
Parameter Supply voltage Input voltage Operating temperature Storage temperature Soldering temperature *1
*1 For 5s (2 times or less)
@TA=25oC
Symbol Vcc Vin Topr Tstg Tsol Rating -0.5 to + 7.0 -0.5 to Vcc +0.5 -20 to +70 -30 to +80 260 Unit V V
C C o C
o
o
REV : A1
Unity Opto Technology Co., Ltd.
09/11/2001 1/4
Fiber Optic Transmitter
MOF-T3K5
Recommended Operating Conditions Parameter Operating supply voltage Operating transfer rate
Symbol Vcc
T
MIN. 4.75 ---
TYP. 5.0 ---
MAX. 5.25 8
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 →High delay time High →Low delay time Pulse width distortion
Symbol λp 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 -------25
TYP. 660 -18 8 ----120 120 ---
MAX. 690 -15 13 Vcc 0.8 ----+25
Unit nm dBm mA V V ns ns ns
REV : A1
Unity Opto Technology Co., Ltd.
09/11/2001
2/4
Fiber Optic Transmitter
MOF-T3K5
Fig. 1 Measuring Method of Optical Output Coupling with Fiber
Standard optical fiber cable MOF-T3K5 Unit to be measured
Vin VCC
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-T3K5 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
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