UOT MOF-T3K5 Fiber optic transmitter Datasheet

Fiber Optic Transmitter
MOF-T3K5
Outline Dimensions
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
Recommended drilling as viewd from the soldering face
NOTES:
Tolerance is ±0.3mm unless otherwise noted.
@TA=25oC
Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply voltage
Vcc
-0.5 to + 7.0
V
Input voltage
Vin
-0.5 to Vcc +0.5
Operating temperature
Storage temperature
Soldering temperature *1
Topr
-20 to +70
Tstg
-30 to +80
Tsol
260
V
o
C
C
o
C
o
*1 For 5s (2 times or less)
REV : A1
Unity Opto Technology Co., Ltd.
09/11/2001
1/4
Fiber Optic Transmitter
Recommended Operating Conditions
Parameter
Operating supply voltage
Operating transfer rate
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
MOF-T3K5
Symbol
Vcc
T
MIN.
4.75
---
TYP.
5.0
---
MAX.
5.25
8
Unit
V
Mbps
Symbol
Conditions
λp
Pc
Icc
ViH
Refer to Fig. 1
Refer to Fig. 2
Refer to Fig. 2
ViL
tpLH
tpHL
∆tw
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
VCC
Vin
Optical power meter
The optical power meter must be calibrated
to have the wavelength sensitivity of 660 nm.
( 0dBm=1mW )
GND
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
Vin
VCC
The optical power meter must be calibrated
to have the wavelength sensitivity of 660 nm.
( 0dBm=1mW )
GND
Icc
VCC
Input conditions and judgement method
Conditions
Vin=2.1V or more
Vin=0.8V or less
Judgement method
-21dBm<=Pc<=-15dBm, Icc=13mA or less
Pc<=-36dBm, Icc=13mA or less
Note: Vcc=5.0V (State of operating)
REV : A1
Unity Opto Technology Co., Ltd.
09/11/2001
3/4
Fiber Optic Transmitter
MOF-T3K5
Fig.3 Measuring Method of Pulse Response
Standard optical fiber cable
Standard receiver
MOF-T3K5
Unit to be measured
VCC
Output signal
GND
Vin
Oscilloscope
VCC
CH1
CH2
Input
Input signal
1
1
0
50%
0
t PLH
4Mbps biphase
PRBS signal
t PHL
Standard receiver output
50%
Test item
Test item
Low →High pulse delay time
High →Low pulse delay time
Pulse width distortion
Notes
Symbol
Test condition
t PLH Refer to the above prescriptions
t PHL Refer to the above prescriptions
∆tw ∆tw=t PHL- t PLH
(1) The waveform write time shall be 4 seconds. But do not allow the waveform to be distorted by increasing the brightness too much.
(2 ) Vcc=5.0 V (State of operating)
(3) The probe for the oscilloscope must be more than 1M and less than 10pF.
REV : A1
Unity Opto Technology Co., Ltd.
09/11/2001
4/4
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