APPROVAL SHEET
DATE: 11/29/2007
cosmo
ELECTRONICS CORPORATION
Photolink :
NO.60F10005 REV.
SHEET 1 OF 4
1
KPLT2500M5X/6X/7X/8X
FIBER OPTIC TRANSMITTING MODULE
FOR DIGITAL AUDIO EQUIPMENT
Features
●
●
●
TTL interface.
LED is driven by differential circuit.
A Self-tapping hole for easy attachment to audio Equipment panels.
Applications
●
●
●
Audio equipment.
DVD player.
Automobile.
(Unit:mm)
Outline Dimensions
注1. 無指定尺寸公差部分:
±0.2mm
Note1. General dimensions tolerance:
±0.2mm
注2. 無指定角度公差部分:
±3°
Note2. General angle tolerance:
±3°
注3. 無指定Corner
R: Max 0.4mm
Note3. General corner: Max 0.4mm
Device Selection Table
Device Name
KPLT2500M50
KPLT2500M60
Pin Connection
1. Vin
2. Vcc
3. GND
KPLT2500M61
KPLT2500M70
KPLT2500M80
Pin Length L(mm)
14.0±0.5
8.6±0.2
8.0±0.2
6.5±0.2
3.0±0.2
1
2
3
APPROVAL SHEET
DATE: 11/29/2007
cosmo
ELECTRONICS CORPORATION
Photolink :
NO.60F10005 REV.
SHEET 2 OF 4
1
KPLT2500M5X/6X/7X/8X
1. Maximum Ratings（Ta=25℃）
Parameter
Symbol
Rating
Unit
℃
Storage Temperature
T
stg
-40~+85
℃
Operating Temperature
T
opr
-30~+80
Power Dissipation
P
max
120
mW
Supply Voltage
Vcc
-0.5~7
V
Input Voltage
V
IN
-0.5~Vcc+0.5
V
（
Note 1
）
℃
260
Soldering Temperature
T
sol
Note 1：Soldering time
≦
10 seconds（At a distance of 1 mm from the package）.
2. Recommended Operating Conditions
Parameter
Supply Voltage
High-Level Input Voltage
Low-Level Input Voltage
Symbol
V
CC
V
IH
V
IL
Min
2.70
2.0
0
Typ.
5.0
-
-
Max
5.5
VCC
0.8
Unit
V
V
V
3. Electrical and Optical Characteristics（Ta=25℃，V
CC
=5V）
Parameter
Symbol
Condition
Min
Typ. Max Unit
-
-
-
5
-
-
25 Mb/s
-15 dBm
690 nm
8
mA
-
V
0.8
V
100
100
-
12
10
ns
ns
ns
ns
NRZ Signal
（
Note 2
）
Data Rate
DC
Fiber Output Power
（
Note 3
）
Pf
-21
Peak Emission Wavelength
λp
630
Current Consumption
Icc
-
High Level Input Voltage
V
IH
2.0
Low Level Input Voltage
V
IL
-
Low->High Propagation delay
t
PLH
time
High -> Low Propagation delay
t
PHL
time
△
tw 12.5Mbps NRZ Signal
Pulse Width Distortion
-12
△
tj
Jitter Time
Note 2：LED is on when input signal is high, and off when it is low.
The duty factor must be maintained between 25 to 75%.
Note 3：Measure with a standard optical fiber, peak value.
APPROVAL SHEET
DATE: 11/29/2007
cosmo
ELECTRONICS CORPORATION
Photolink :
NO.60F10005 REV.
SHEET 3 OF 4
1
KPLT2500M5X/6X/7X/8X
4. Measuring method
(1).Measuring method of optical output coupling fiber
PHOTOLINK Unit
Standard optical fiber cable
Optical Power Meter
to be measured
Vin
Vcc
GND
Optical Power Meter must be calibrated to
have the wavelength sensitivity of 650nm
| 0 dBm=1mW |
(2).Measuring method of power dissipation current and input voltage
PHOTOLINK Unit
Standard optical fiber cable
Optical Power Meter
to be measured
Vin
Vcc
GND
Optical Power Meter must be calibrated to
have the wavelength sensitivity of 650nm
| 0 dBm=1mW |
Vcc
Icc
Vin
(3).Measuring method of Pulse response
PHOTOLINK Unit
Standard optical fiber cable
Standard receiver
to be measured
Vin
Vcc
GND
Vcc
Input
Oscilloscope
Output signal
Input signal
12.5Mbps NRZ"1010" successive pattern
CH1 CH2
Input signal (CH1)
50%
Input signal (CH1)
50%
Output signal (CH2)
50%
Output signal (CH2)
VOH
90%
50%
10%
VOL
t
PLH
t
PHL
△
tw= t
PHL
- t
PLH
tr
tf
APPROVAL SHEET
DATE: 11/29/2007
cosmo
ELECTRONICS CORPORATION
Photolink :
NO. 60F10005 REV.
SHEET 4 OF 4
1
KPLT2500M5X/6X/7X/8X
(4).Measuring method of Jitter
PHOTOLINK Unit
Standard optical fiber cable
Standard receiver
to be measured
Vin
Vcc
GND
Vcc
Input
Oscilloscope
Output signal
1
1
0
0
CH1 CH2
Input signal (CH1)
50%
Output signal (CH2)
50%
△
tj
△
tj
5.Recommended PCB Layout
Notes:
1.Unit:mm
2.tolerance:±0.3mm
FPGA/CPLD
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