Page 1
Fiber Optic Receiver MOF-R3K5
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
Outline Dimensions
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)
Recommended drilling as viewd from the soldering face
NOTES:
Tolerance is ±0.3mm unless otherwise noted.
@ TA=25
Symbol Rating Unit
V
cc
I
OH
I
OL
T
opr
T
stg
T
SOL
-0.5 to + 7 V
-1 mA
5 mA
-20 to +70
-30 to +80
260*
o
o
o
C
C
C
o
C
Unity Opto Technology Co., Ltd.
REV: A1
09/11/2001
1/4
Page 2
Fiber Optic Receiver MOF-R3K5
receiver input optical power level
Recommended Connection Method
Electro-Optical Characteristics
MIN.
TYP.
MAX.
Unit
-30
---
+30
ns
REV: A1
09/11/2001
Unit
dBm
-14.5
---
-22
Parameter
MIN.
TYP.
MAX.
Symbol
Parameter
Pc
Conditions
Symbol
High level
out
put voltage
Low level
out
put voltage
Refer to Fig. 2
Pulse width distortion
∆
Low →High delay time
High →Low delay time
231
Recommended Operating Conditions
Operating supply voltage
Operating transfer rate
Less than 7mm
V
Fiber Optic Connector
insert
Fiber Optic
Receiving
Module
47µH
0.1µF
Vcc
GND
(Bottom view)
cc
T
Vout
4.75 5.0 5.25
0.1 ---
6
V
Mbps
V
t
V
t
pHL
I
OL
t
t
pLH
cc
r
OH
f
tw
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
Dissipation current
Rise time --- 20 40 ns
Fall time --- 20 40 ns
Unity Opto Technology Co., Ltd.
--- 20 40 mA
2.7 4.4 --- V
--- 0.2 0.4 V
--- --- 180 ns
--- --- 180 ns
2/4
Page 3
Fiber Optic Receiver MOF-R3K5
(3)Pc = -14.5 dBm
REV: A1
09/11/2001
5V
Fig. 1 Measuring Method of Optical Output Coupling with Fiber
Fiber optic cable
Standard transmitter
MOF-T3K5
V
V
CC
in
GND
D
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.
(4)Measured on an ammeter.
V
CC
A
Ammeter
MOF-R3K5
GND
V
CC
V
OUT
Unity Opto Technology Co., Ltd.
3/4
Page 4
Fiber Optic Receiver MOF-R3K5
Fig. 2 Measuring Method of Output Voltage and Pulse Response
Test item
t
t
REV: A1
Test item
09/11/2001
r
f
Fiber optic cable
Standard transmitter
MOF-T3K5
V
Input
in
V
CC
GND
5V
6 Mbps NRZ, Duty 50%
Low →High pulse delay time
High → Low pulse delay time
Rise time t
Fall time t
Pulse width distortion
Δtw = t
High level output voltage V
Low level output voltage V
PHL
- t
PLH
Symbol
PLH
PHL
r
f
Δtw
OH
OL
Oscilloscope
CH1
CH2
Standard transmitter
Input signal
(CH1)
V
OH
Output signal
(CH2)
V
OL
t
PLH
MOF-R3K5
V
CC
GND
V
CC
V
OUT
50%
t
t
90%
50%
10%
t
PHL
Unity Opto Technology Co., Ltd.
4/4
Loading...