Optic receiver module KSM-90 LM DIMENSIONS The KSM-90 LM consist of a PIN Photodiode of high speed and a preamplifier IC in the package as an receiver for Infrared remote control systems Features Wide angle design Supply-voltage range : 4.5V to 5.5V Shielded against electrical field disturbance Enhanced immunity against ambient light disturbances Available for carrier frequencies between 32.7KHz to 56.9KHz TTL and CMOS compatible Applications Audio & Video Applications (TV, VTR, Audio, DVDP, CDP) Home Appliances (Air conditioner, Computer, Camcoder) Wireless Toys Remote Control Equipment Maximum Ratings Parameter Supply Voltage Operating Temperature Storage Temperature Symbol Vcc Topr Tstg Ratings 6.0 -10 ~ +60 -20 ~ +75 Soldering Temperature Tsol 260 B.P.F Center Frequency [Ta=25℃] Unit V ℃ ℃ ℃ (Max 5 sec) Model No. KSM-901LM KSM-902LM KSM-903LM B.P.F Center Frequency(kHz) 40.0 36.7 37.9 KSM-904LM 32.7 KSM-905LM 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 No signal input 0˚ ±30˚ Transmission Distance *1 L 250±50lx High level Output voltage *1 VOH 30cm over *1 VOL the ray axis High level Output Pulse Width *1 TWH Low level Output Pulse Width *1 Output Form TWL Burst wave=600㎲ Period = 1.2ms Low level Output voltage Min. 4.5 15 12 4.5 Typ. 5 1.2 940 37.9 5.0 [Ta=25℃, Vcc=5.0V] Max. Unit 5.5 V mA 2.5 nm kHz m V - 0.1 0.5 V 500 600 700 ㎲ 500 600 Active Low Output 700 ㎲ *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-90□ LM ■ Measuring Method [Ta=25℃] Output Pulse Width Standard Transmitter Test Method of Transmission Distance Transmitter output +5V Carrier Frequency(fo) Duty50% 600us 600us 10㏀ Standard Tansmitter Vout Remocon output pulse OSC 10㏀ Transmitter 10㎌ Vout GND : Indicates horizontal and vertical directions THL VH T WL Vcc Arrival Distance : L VI 25Cm ■ Typical Characteristics Curve [Ta=25℃] 120 [%] Relative reception distance Vs. Ambient temperature Relative reception distance Relative reception distance Relative reception distance Vs. Supply voltage 100 80 60 40 20 Radiant pattern 120 [%] 20 ˚ 100 4.5 5.0 5.5 [V] -40˚ -60 ˚ 60˚ 60 -80 ˚ 80˚ 40 0 20 100 ˚ 50 -10 0 10 20 30 40 50 [℃] Relative Sensitivity (%) Ambient temperature Ta R 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 : R=100Ω , C=47㎌ ⇒ fc = 1/2π RC = 33.9Hz 3) External pull-up resistor(optional) : 10㏀ over 2/2 -100˚ 100 ■ Standard Application Circuit with R-C Decoupling Filter Transmitter 50 100 Supply voltage Vcc Receiver Module -20 ˚ 40 ˚ 80 0 0 0˚