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Toshiba Electronic Components Datasheet

TOTX197 Datasheet

FIBER OPTIC TRANSMITTING MODULE

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FIBER OPTIC TRANSMITTING MODULE
TOTX197
FIBER OPTIC TRANSMITTING
MODULE FOR SIMPLEX DIGITAL
SIGNAL TRANSMISSION
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 No need to change a resistor according to
transmission distance.
TOTX197
Unit: mm
1. Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Storage Temperature
Operating Temperature
Supply Voltage
Input Voltage
Soldering Temperature
Tstg
Topr
VCC
VIN
Tsol
40 to 85
40 to 85
0.5 to 7
0.5 to VCC + 0.5
260 (Note 1)
Note 1: Soldering time 3 s (More than 1 mm apart from the package).
Unit
°C
°C
V
V
°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 2001-08-10


Toshiba Electronic Components Datasheet

TOTX197 Datasheet

FIBER OPTIC TRANSMITTING MODULE

No Preview Available !

2. Recommended Operating Conditions
Characteristics
Supply Voltage
High Level Input Voltage
Low Level Input Voltage
Symbol
VCC
VIH
VIL
Min
4.75
2.0
0
Typ.
5.0
Max
5.25
VCC
0.8
Unit
V
V
V
TOTX197
3. Electrical and Optical Characteristics (Ta = 25°C, VCC = 5 V)
Characteristics
Symbol
Test Condition
Min Typ. Max Unit
Data Rate
NRZ Code
(Note 2) DC
6 Mb/s
Transmission Distance
Using APF (Note 3) and TORX196 0.2
40
m
Pulse Width Distortion
(Note 4)
Using TORX196
tw Pulse width 165 ns
Pulse cycle 330 ns, CL = 10 pF
55 55 ns
Fiber Output Power
Pf
APF 1 m, R = 4.3 k
(Note 5) 15
9 dBm
Peak Emission Wavelength
λp
670 nm
Current Consumption
ICC R = 4.3 k
30 40 mA
High Level Input Voltage
VIH
2.0 ― ― V
Low Level Input Voltage
VIL
― ― 0.8 V
High Level Input Current
IIH VI = 2.7 V
― ― 20 µA
Low Level Input Current
IIL VI = 0.4 V
― ― −0.4 mA
Note 2: LED is on when input signal is high level, it is off when low level.
Note 3: All Plastic Fiber (980/1000 µm).
Note 4: Between input of TOTX197 and output of TORX196.
Note 5: Measure with a standard optical fiber with fiber optic connectors. Valued by peak.
2 2001-08-10


Part Number TOTX197
Description FIBER OPTIC TRANSMITTING MODULE
Maker Toshiba
Total Page 8 Pages
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