KODENSHI KSM

Optic receiver module
KSM-91□LJ1N
DIMENSIONS
The KSM-91□LJ1N consist of a PIN Photodiode of high
speed and a preamplifier IC in the package as an receiver
for Infrared remote control systems
Features
ㆍWide angle design
ㆍSupply-voltage range : 4.5V to 5.5V
ㆍShielded against electrical field disturbance
ㆍEnhanced immunity against ambient light disturbances
ㆍEnhanced reception distance
ㆍContinuous data transmission possible (NRZ 1000 bit/s)
ㆍAvailable for carrier frequencies between 32.7KHz to 56.9KHz
ㆍTTL and CMOS compatible
Applications
ㆍAudio & Video Applications (TV, VTR, Audio, DVDP, CDP)
ㆍHome Appliances (Air conditioner, Computer, Camcoder)
ㆍWireless Toys
ㆍRemote Control Equipment
Maximum Ratings
Parameter
Supply Voltage
Operating Temperature
Storage Temperature
Symbol
Vcc
Topr
Tstg
Soldering Temperature
Tsol
Ratings
6.0
-10 ~ +60
-20 ~ +75
B.P.F Center Frequency
[Ta=25℃]
Unit
V
℃
℃
Model No.
KSM-911LJ1N
KSM-912LJ1N
KSM-913LJ1N
℃
260
(Max 5 sec)
B.P.F Center Frequency(㎑)
40.0
36.7
37.9
KSM-914LJ1N
32.7
KSM-915LJ1N
56.9
Electro-Optical Characteristics
Parameter
Recommended Supply Voltage
Current Consumption
Peak Wavelength
*1
B.P.F Center Frequency
Symbol
Vcc
Icc
λp
fo
Condition
Transmission Distance
*1
L
250±50lx
High level Output voltage
*1
VOH
30cm over
Low level Output voltage
*1
VOL
the ray axis
-
0.1
500
600
700
㎲
500
600
Active Low Output
700
㎲
No signal input
0˚
±30˚
High level Output Pulse Width *1
TWH
Burst wave=600㎲
Low level Output Pulse Width *1
Output Form
TWL
Period = 1.2㎳
Typ.
5
1.2
940
37.9
5.0
[Ta=25℃, Vcc=5.0V]
Max.
Unit
5.5
V
2.2
㎃
㎚
㎑
m
V
Min.
4.5
25
21
4.5
0.5
V
*1. It specifies the maxmum distance between emitter and detector that the output wave form satisfies the standard under the conditions
below against the standard transmitter.
1) Measuring place
: Indoor without extreme reflection of light
2) Ambient light source : Detecting surface illumination shall be irradiate 200±50lx under ordinary white fluorescence lamp without
high frequency lightning
3) Standard transmitter : Burst wave of standard transmitter shall be arranged to 50mVP-P under the measuring circuit
1/2
Optic receiver module
KSM-91□LJ1N
■ Measuring Method [Ta=25℃]
Standard Transmitter
Output Pulse Width
Test Method of Transmission Distance
Transmitter output
Carrier Frequency(fo)
Duty50%
+5V
600us 600us
10㏀
Standard
Tansmitter
Vout
Remocon output pulse
OSC
10㏀
Transmitter
T WL
10㎌
Vcc
Arrival Distance : L
Vout
GND
: Indicates horizontal and
vertical directions
THL
VL
VH
25Cm
■ Typical Characteristics Curve [Ta=25℃]
Relative reception distance Vs.
Ambient temperature
Radiant pattern
120
[%]
120
[%]
Relative reception distance
Relative reception distance
Relative reception distance Vs.
Supply voltage
100
80
60
40
20
0
4.5
5.0
5.5
[V]
20 ˚
100
-40˚
80
-60 ˚
60˚
60
-80 ˚
80˚
40
0
20
100 ˚
0
50
0
10
20
30
40
50
Relative Sensitivity (%)
Ambient temperature Ta
Vcc
Vcc
C
Rp
micom
Vout
GND
GND
*1 Recommended Circuit Description
1) Transmitter(IRED) drive current
: IFP = 300mAP-P ~ 600mAP-P
2) R-C Decoupling Filter with Lower Cut-off Frequency
⇒
fc = 1/2π RC = 33.9Hz
3) External pull-up resistor(optional)
: 10kΩ over
2/2
-100˚
100
[℃]
R
: R=100Ω , C=47㎌
50
100
-10
■ Standard Application Circuit with R-C Decoupling Filter
Transmitter
-20 ˚
40 ˚
Supply voltage Vcc
Receiver
Module
0˚