| • |
Patent product. |
| • |
Conform to EIAJ standard CP-1201(For Digital audio interfaces
including fiber optic inter-connections) |
| • |
TTL interface. |
| • |
LED is driven by differential circuit. |
| • |
+5V single power supply. |
| • |
High speed signal transmission(12.5M NRZ signal). |
| • |
ESD±8KV (Bipolar Technology). |
Parameter |
Symbol
|
Rating |
Units |
| Supply Voltage |
Vcc |
-0.5 to +7 |
V |
| Input Voltage |
Vin |
-0.5 to Vcc +0.5 |
V |
| Operating Temperature |
Topr |
-20 to +70 |
°C |
| Storage Temperature |
Tstg |
-30 to +80 |
°C |
Characteristic
|
Symbol
|
Condition
|
Min.
|
Typ.
|
Max. |
Units |
| Operating Voltage |
Vcc |
|
4.75 |
5 |
5.25 |
V |
| Operating Current |
Lop |
|
- |
8 |
13 |
mA |
| Transmitter Wavelength |
|
|
- |
660 |
- |
nm |
| Transmitter Light Power |
Pf |
*1 |
-21 |
- |
-15 |
dBm |
| Date Rate |
T |
NRZ Code*2 |
DC |
- |
12.5 |
Mb/s |
| Pulse Width Distortion |
 tw |
Pulse width 80ns
Pulse cycle
160ns CL=10Pf
Using RX179
|
-25 |
- |
25 |
ns |
| Jitter |
tj |
|
- |
2 |
25 |
ns |
| Low to High Delay Time |
tPLH |
|
|
100 |
180 |
ns |
| High to Low Delay Time |
tPLH |
|
|
100 |
180 |
ns |
| High Level Input Voltage |
VIH |
|
2.0 |
- |
- |
V |
| Low Level Input Voltage |
VIL |
|
- |
- |
0.8 |
V |
| High Level Input Current |
IIH |
|
- |
- |
20 |
µA |
| Low Level Input Current |
IIL |
|
- |
- |
-0.4 |
mA |
| Output Low Sink Current |
IOH |
Vin at low level |
0.01 |
0.04 |
0.1 |
mA |
| Output High Sink Current |
IOL |
Vin at high level |
4 |
6 |
10 |
mA |
 1: Fiber
insertion measure peak value.
2: For date
rate>6Mb/s, the duty factor must be such as kept 25 to 75%.
| • |
Conform to EIAJ standard CP-1201(For Digital
audio interfaces including fiber
optic inter-connections) |
| • |
TTL interface. |
| • |
LED is driven by differential circuit. |
| • |
+5V single power supply. |
| • |
High speed signal transmission(12.5M NRZ signal). |
Parameter |
Symbol
|
Rating |
Units |
| Total Power Dissipation |
Ptot |
D.C.12V,1A |
- |
| Operating Temperature |
Topr |
-20 to 70 |
°C |
| Storage Temperature |
Tstg |
-30 to 80 |
°C |
| *1 Soldering Temperature(Reflow) |
Tsol |
240 |
°C |
| *2 Isolation Voltage |
Viso(rms) |
A.C.500V |
- |
1 For 10s
2 For 1 minute
- Maximum rating
The maximum ratings are the limit values which must not be exceeded
when using the device. Any one of the rating must not be exceeded.
If the maximum rating is exceeded, the characteristics may not
be recovered. In some extreme cases, the device may be permanently
damage.
- Life of light emitters
When the optical module is used for over a long period, degeneration
of characteristics is mostly due to lowering of the fiber output
power (Pf). This is caused by the degradation of the optical output
of the LED’s used as the light source. The cause of degradation
of the optical output of the LED’s may be defects in wafer crystallization
or mold resin stress. The detailed caused are, however, not clear.
The life of light emitters is greatly influenced by operating
conditions and usage environment as well as the life characteristics
unique to the device. Thus, when selecting a light emitter and
setting the operating conditions, KLG recommends that you check
the life characteristics. Depending on the environment conditions,
KLG recommends maintenance such as regular checks on the amount
of optical output.
- Soldering
Optical modules use semiconductor devices internally. However,
in principle, optical modules are optical components. At soldering,
take care that flux dose not contact the emitting surface or detecting
surface. Also take care at flux removal after soldering. Some
optical modules come with protective cap. The protective cap is
used to avoid malfunction when the optical modules is not in use.
Not that it is not dust or waterproof. As mentioned before, optical
modules are optical component. Thus, in principle, soldering.
Where there may be flux residue or flux removal after soldering
is not recommended. KLG recommends that soldering be performed
without the optical module mounted on the board. Then, after the
board is cleaned, solder the optical module manually. Do not perform
any further cleaning. If the optical module cannot be soldered
manually, use non-halogen(chlorine-free) flux and make sure, without
cleaning, there is no residue such as chlorine. This is one of
the ways to eliminate the effects of flux. In such a case, check
the reliability.
- Vibration And Shock
This module is resin-molded construction with wire fixed by resin.
This structure is relatively sound against vibration or shock.
In actual equipment, there are some cases where vibration, shock,
and stress is applied to soldered parts or connected parts, resulting
in line cut. Attention must be paid to the design of the mechanism
for applications which are subject to large amounts of vibration.
- Fixing fiber optical transceiving
module
Solder the fixed pin of fiber optic transmitting module AT/BT/CT
Series to the printed circuit board to fix the module to the board.
- Solvent
When using solvent for flux removal, do not use a high acid or
high alkali solvent. Be careful not to pour solvent in the optical
connector ports. If solvent is inadvertently poured there, clean
with cotton tips.
- Protective Cap
When the fiber optic transmitting module AT Series is not in use,
use the protective cap.
- Supply Voltage
Use the supply voltage within the Type. Operating condition (Vcc=5±0.25V).
Make sure that supply voltage does not exceed the maximum rating
value of 7V, even instantaneously.
- Interface
If a voltage exceeding the maximum rating value (Vcc+0.5V) is
applied to the transmitter Input, the internal IC may degrade
causing some damage. If excessive voltage due to surge may be
added to the input, insert a protective circuit..
- Soldering Condition
Solder at 260°C or less within ten seconds.
- Precaution on waste
When discarding devices and packing materials, follow procedures
stipulated by local regulations in order to protect the environment
against contamination. Compound semiconductors such as GaAs are
used as LED materials for this module. When discarding waste or
at final processing, attention must be paid to workers and the
environment.
- Precaution on use
KLG is continually working to improve the quality and the reliability
of its products. Nevertheless, semiconductor devices in general
can malfunction or fail due to their inherent electrical sensitivity
and vulnerability to physical stress. It is the responsibility
of the buyer, when utilizing KLG products, to observe standards
of safety, and to avoid situations in which a malfunction or failure
of a KLG product could cause loss of human life , bodily injury
or damage to property.
In developing your designs, please ensure that KLG products
are used within specified operating ranges as set forth in the
most recent product specifications.
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