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Toshiba Electronic Components Datasheet

TODX270A Datasheet

FIBER OPTIC TRANSMITTING MODULE

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FIBER OPTIC TRANSCEIVING MODULE
TODX270A
FIBER OPTIC TRANSCEIVING
MODULE FOR DUPLEX DIGITAL
SIGNAL COMMUNICATION
l Data rate: DC to 6 Mb / s (NRZ code)
l Transmission distance: Up to 40 m
l TTL interface
l LED is driven by Differential circuit.
l ATC (Automatic Threshold Control) circuit is
used for stabilized output at wide range of
optical power level.
TODX270A
Unit: mm
1. Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Storage Temperature
Operating Temperature
Supply Voltage
Input Voltage
Low Level Output Current
High Level Output Current
Soldering Temperature
Tstg
Topr
VCC
VIN
IOL
IOH
Tsol
40 to 70
40 to 70
0.5 to 7
0.5 to VCC + 0.5
20
1
260 (Note 1)
Note 1: Soldering time 3 s (More than 1 mm apart from the package).
Unit
°C
°C
V
V
mA
mA
°C
Handling precaution: The LEDs used in this product contain GaAs (Gallium Arsenide).
Care must be taken to protect the safety of people and the environment when scrapping or
terminal processing.
1 2001-07-26


Toshiba Electronic Components Datasheet

TODX270A Datasheet

FIBER OPTIC TRANSMITTING MODULE

No Preview Available !

2. Recommended Operating Conditions
Characteristics
Supply Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Output Current
Low Level Output Current
Symbol
VCC
VIH
VIL
IOH
IOL
Min
4.75
2.0
0
Typ.
5.0
Max
5.25
VCC
0.8
60
1.2
Unit
V
V
V
µA
mA
TODX270A
3. Electrical and Optical Characteristics (Ta = 25°C, VCC = 5 V)
Characteristics
Symbol
Test Condition
Min Typ.
Data Rate
Transmission Distance
Pulse Width Distortion
(Note 4)
Fiber Output Power
Peak Emission Wavelength
Maximum Receivable Power
Minimum Receivable Power
Current Consumption
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
High Level Output Voltage
Low Level Output Voltage
(Note 6)
(Note 6)
tw
Pf
λp
PMAX
PMIN
ICC
VIH
VIL
IIH
IIL
VOH
VOL
NRZ Code
(Note 2)
Using APF (Note 3), DC to 6 Mb / s
Using TODX270A
Pulse width 165 ns
Pulse cycle 330 ns, CL = 10 pF
R=0
(Note 5)
DC to 6 Mb / s, Using APF
DC to 6 Mb / s, Using APF
R=0
DC
0.2
55
15
15
2.0
4.6
650
85
Note 2: LED is on when input signal is high level, it is off when low level.
High level output when optical flux is received. Low level output when it is not received.
For data rate > 3 Mb/s, the duty factor must be kept 25 to 75%.
Note 3: All Plastic Fiber (980 / 1000 µm).
Note 4: Between input of TODX270A and output of TODX270A.
Note 5: Measure with a standard optical fiber with fiber optic connectors. Valued by peak.
Note 6: BER 109, Valued by peak.
Max Unit
6 Mb / s
40 m
55 ns
9
27
115
0.8
20
0.4
0.4
dBm
nm
dBm
dBm
mA
V
V
µA
mA
V
V
2 2001-07-26


Part Number TODX270A
Description FIBER OPTIC TRANSMITTING MODULE
Maker Toshiba
Total Page 9 Pages
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