Document
Optic receiver module
KSM-100¡àLM2T
The KSM-100¡àLM2T consist of a PIN Photodiode of high speed and a preamplifier IC in the package as an receiver for Infrared remote control systems DIMENSIONS
Features ¤ýOne mold large size package ¤ýSupply-voltage range : 4.5V to 5.5V ¤ýShielded against electrical field disturbance ¤ýHigh immunity against ambient light disturbances
(Logic Controller Adaptation)
¤ýAvailable for carrier frequencies between 32.7KHz to 56.9KHz ¤ýTTL and CMOS compatible 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. B.P.F Center Frequency(§Õ) KSM-1001LM2T 40.0 KSM-1002LM2T 36.7 KSM-1003LM2T 37.9 KSM-1004LM2T KSM-1005LM2T 32.7 56.9 [Ta=25¡É, Vcc=5.0V] Max. Unit 5.5 V 1.2 §Ì §¬ §Õ m V 0.25 700 800 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 15 12 4.5 400 Typ. 5 1.0 940 37.9 5.0 0.1 600
250¡¾50lx 30cm over the ray axis
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§Â
500 600 Active Low Output
*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¡¾50lx under ordinary white fluorescence lamp without
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Optic receiver module
KSM-100¡à LM2T
¡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
VH
T WL
THL
25Cm
VI
¡á Typical Characteristics Curve [Ta=2 5¡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
Relative reception distance Vs. Ambient temperature
120 [%] 100
40¢ª
Radiant pattern
20¢ª
0¢ª
-2 0¢ª -4 0¢ª
80 60 40 20 0
100¢ª 50 100 60¢ª -6 0¢ª
80¢ª 0 50 100
-8 0¢ª
-1 00¢ª
[V]
-10
0
10
20
30
40
50 0 [¡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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