Optic receiver module
[Ta=25℃ ]
[Ta=25 , Vcc=5.0V]
*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
Model No. B.P.F Center Frequency(㎑)
Soldering Temperature Tsol 260 ℃
Storage Temperature Tstg -20 ~ +75 ℃
Operating Temperature Topr -10 ~ +60 ℃
KSM-40 N
Parameter Symbol Ratings Unit
Supply Voltage Vcc 6.0 V
Output Form
KSM-405N 56.9
Parameter Symbol Condition
Active Low Output
Min. Typ.
KSM-401N 40.0
KSM-402N 36.7
KSM-403N 37.9
KSM-404N 32.7
Max. Unit
Recommended Supply Voltage Vcc
(Max 5 sec)
4.5 55.5 V
Current Consumption Icc No signal input - 1.2 2.5 mA
Peak Wavelength *1
λp
- 940 -
nm
B.P.F Center Frequency fo - 37.9 - ㎑
4.5
L m
7 - -
5 -
±30˚ -
Transmission Distance *1 250±50lx ± 0˚
High level Output voltage *1 VOH 30cm over V
Low level Output voltage *1
VOL the ray axis - 0.1 0.5 V
5.0 -
High level Output Pulse Width *1
TWH Burst wave=600㎲ 500 600 700 ㎲
Low level Output Pulse Width *1
TWL Period = 1.2㎲ 500 600 700 ㎲
The KSM-40 N consist of a PIN Photodiode of high
speed and a preamplifier IC in the package as an receiver
for Infrared remote control systems
Features
ㆍ
Small size SMD package
ㆍ
Supply-voltage range : 4.5V to 5.5V
ㆍ
Shielded against electrical field disturbance
ㆍ
Enhanced immunity against ambient light disturbances
ㆍ
Available for carrier frequencies between 32.7KHz to 56.9KHz
ㆍ
TTL and CMOS compatible
Applications
ㆍ
Audio & Video Applications (TV, VTR, Audio, DVDP, CDP)
ㆍ
Home Appliances (Air conditioner, Computer, Camcoder)
ㆍ
Wireless Toys
ㆍ
Remote Control Equipment
Maximum Ratings
Electro-Optical Characteristics
DIMENSIONS
B.P.F Center Frequency
(Unit : mm)
LASER MARKING
NOTE
1. PIN CONFIG.
2. G.T : 0.3
1 Vcc
2 Vout
3 GND
Optic receiver module
*1 Recommended Circuit Description
1) Transmitter(IRED) drive current
: IFP = 300mAP-P ~ 600mAP-P
2) R-C Decoupling Filter with Lower Cut-off Frequency
: R=100Ω , C=47㎌ ⇒ fc = 1/2π RC = 33.9Hz
3) External pull-up resistor(optional)
: 10kΩ over
2/2
KSM-40
□
N
■
Measuring Method [Ta=25℃]
Transmitter output
Carrier Frequency(fo)
Duty50%
Remocon output pulse
T
WL
T
HL
600us600us
Standard
Tansmitter
25Cm
10㎌ Vout
10㏀
10㏀
+5V
Transmitter
Arrival Distance : L
Vout
Vcc
GND
OSC
: Indicates horizontal and
vertical directions
Output Pulse Width Standard Transmitter Test Method of Transmission Distance
■
Typical Characteristics Curve [Ta=25℃]
Relative reception distance Vs.
Supply voltage Relative reception distance Vs.
Ambient temperature Radiant pattern
■
S
tandard Application Circuit with R-C Decoupling Filter
Transmitter Vcc
GND
Vcc
GND
Vout micom
C
R
Receiver
Module Rp
VH
VL
0
20
40
60
80
100
120
-10 0 10 20 30 40 50
Ambient temperature Ta
Relative reception distance
[%]
[℃]
0
20
40
60
80
100
120
4.5 5.0 5.5
Supply voltage Vcc
Relative reception distance
[%]
[V]
Relative Sensitivity [%]
-100
˚
-80
˚
-60
˚
-40
˚
-20
˚
0
˚
20
˚
40
˚
60
˚
80
˚
100
˚
0
50
100
50
100
