Document
Optic receiver module
KSM-40 N
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 DIMENSIONS
NOTE
1. PIN CONFIG.
1 Vcc 2 Vout
(Unit : mm)
Features ¤ýSmall size SMD package ¤ýSupply-voltage range : 4.5V to 5.5V ¤ýShielded against electrical field disturbance ¤ýEnhanced immunity against ambient light disturbances ¤ýAvailable for carrier frequencies between 32.7KHz to 56.9KHz ¤ýTTL and CMOS compatible
3 GND
2. G.T :
0.3
LASER MARKING
Applications ¤ýAudio & Video Applications (TV, VTR, Audio, DVDP, CDP) ¤ýHome Appliances (Air conditioner, Computer, Camcoder) ¤ýWireless Toys ¤ýRemote Control Equipment Maximum Ratings
Parameter Supply Voltage Operating Temperature Storage Temperature Soldering Temperature Symbol Vcc Topr Tstg Tsol Ratings 6.0 -10 ~ +60 -20 ~ +75 260 (Max 5 sec)
[Ta=25¡É ] Unit V ¡É ¡É ¡É
B.P.F Center Frequency
Model No. KSM-401N KSM-402N KSM-403N KSM-404N KSM-405N B.P.F Center Frequency(§Õ) 40.0 36.7 37.9 32.7 56.9 [Ta=25 , Vcc=5.0V] Max. Unit 5.5 V 2.5 mA nm §Õ m V 0.5 700 700 V §Á §Á
Electro-Optical Characteristics
Parameter Recommended Supply Voltage Current Consumption Peak Wavelength *1 B.P.F Center Frequency Transmission Distance High level Output voltage Low level Output voltage *1 *1 *1 Symbol Vcc Icc ¥ëp fo L VOH VOL TWH TWL Condition No signal input Min. 4.5 7 5 4.5 500 500 Active Low Output Typ. 5 1.2 940 37.9 5.0 0.1 600 600
250¡¾50lx 30cm over the ray axis
¡¾ 0¢ª ¡¾30¢ª
High level Output Pulse Width *1 Low level Output Pulse Width *1 Output Form
Burst wave=600§Á Period = 1.2§Á
*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 high frequency lightning 3) Standard transmitter : Burst wave of standard transmitter shall be arranged to 50mVP-P under the measuring circuit 2) Ambient light source : Detecting surface illumination shall be irradiate 200¡¾ 50lx under ordinary white fluorescence lamp without
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Optic receiver module
KSM-40¡à N
¡á Measuring Method [Ta=25¡É]
Output Pulse Width
Transmitter output Carrier Frequency(fo) Duty50% Remocon output pulse
Standard Transmitter
Test Method of Transmission Distance
+5V
600us 600us
Standard Tansmitter
10§Ú
Vout
Transmitter
10§Ú 10§Þ Vout
Arrival Distance : L
OSC
Vcc GND : Indicates horizontal and vertical directions
T WL VH
THL
25Cm
VL
¡á Typical Characteristics Curve [Ta=25¡É]
Relative reception distance Vs. Supply voltage
Relative reception distance Relative reception distance
120 [%] 100 80 60 40 20 0 4.5 5.0 5.5
120 [%] 100 80
60¢ª -60¢ª 20¢ª 40¢ª
Relative reception distance Vs. Ambient temperature
Radiant pattern
0¢ª
-20¢ª -40¢ª
60 40 20 0
80¢ª
0
-80¢ª
100¢ª
100
50
50 100
-100¢ª
[V]
-10
0
10
20
30
40
50
[¡É]
Supply voltage Vcc
Ambient temperature Ta
Relative Sensitivity [%]
¡á Standard Application Circuit with R-C Decoupling Filter
R Transmitter Receiver Module Vcc Vout 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 : R=100§Ù , C=47§Þ : 10k§Ù over ¢¡ fc = 1/2¥ð RC = 33.9Hz 3) External pull-up resistor(optional) Vcc C Rp micom GND
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