KSM-951LM4Y Datasheet, PDF (2/2 Pages) KODENSHI KOREA CORP. – Optic receiver module

Optic receiver module
KSM-95 LM4Y
Measuring Method [Ta=25 ]
Output Pulse Width
Standard Transmitter
Test Method of Transmission Distance
Carrier Frequency(fo)
Duty50%
600us 600us
Remocon output pulse
T WL
THL
Standard
Tansmitter
Transmitter
Arrival Distance : L
Vout
OSC
Vcc
GND
: Indicates horizontal and
vertical directions
Typical Characteristics Curve [Ta=25 ]
Relative reception distance Vs.
Supply voltage
Relative reception distance Vs.
Ambient temperature
[%]
100
80
60
40
20
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 _[V]
Supply voltage Vcc
1_[2_%0 _]
100
80
60
40
20
0
-10
0 10 20 30 40 50 [ ]
Ambient temperature Ta
Radiant pattern
0
50
50
100
100
Relative Sensitivity [%]
Standard Application Circuit with R-C Decoupling Filter
Transmitter
R
Receiver
Module
Vcc
C
Rp
Vout
GND
*1 Recommended Circuit Description
1) Transmitter(IRED) drive current
: IFP = 300mA_P-P ~ 600mA_P-P
2) R-C Decoupling Filter with Lower Cut-off Frequency
: R=100 , C=47
fc = 1/2 RC = 33.9Hz
3) External pull-up resistor(optional)
: 10 over
Vcc
micom
GND
2/2