Fiber Optic Receiver
Features
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-T3C6 Transmitter
MOF-R3C6
Outline Dimensions
Recommended drilling as viewd from the soldering face
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)
NOTES:
Tolerance is ±0.3mm unless otherwise noted.
@ T
A
=25
o
C
Symbol
V
cc
I
OH
I
OL
T
opr
T
stg
T
SOL
Rating
-0.5 to + 6
-1
5
-20 to +70
-30 to +80
260*
Unit
V
mA
mA
o
o
C
C
o
C
REV: A1
Unity Opto Technology Co., Ltd.
03/22/2002
1/4
Fiber Optic Receiver
Recommended Operating Conditions
Parameter
Symbol
V
cc
Operating supply voltage
Operating transfer rate
T
receiver input optical power level
Pc
MOF-R3C6
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
Less than 7mm
0.1µF
2
3
Vcc
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
I
cc
V
OH
V
OL
t
r
t
f
t
pLH
t
pHL
∆
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: A1
Unity Opto Technology Co., Ltd.
03/22/2002
2/4
Fiber Optic Receiver
Fig. 1 Measuring Method of Supply Current.
Fiber optic cable
Standard transmitter
MOF-T3C6
V
in
V
CC
MOF-R3C6
MOF-R3C6
V
CC
GND
A
GND
V
OUT
D
5V
Ammeter V
CC
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)P
c
= -14.5 dBm
(4)Measured on an ammeter.
REV: A1
Unity Opto Technology Co., Ltd.
03/22/2002
3/4
Fiber Optic Receiver
Fig. 2 Measuring Method of Output Voltage and Pulse Response
Fiber optic cable
Standard transmitter
MOF-T3C6
V
CC
V
in
V
CC
GND
MOF-R3C6
MOF-R3C6
GND
V
OUT
V
CC
Input
5V
Oscilloscope
CH1
13.2 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
t
r
t
f
Standard transmitter
Input signal
(CH1)
50%
t
r
V
OH
t
f
Δtw
V
OH
V
OL
90%
Output signal
(CH2)
V
OL
t
PLH
t
PHL
50%
10%
REV: A1
Unity Opto Technology Co., Ltd.
03/22/2002
4/4
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