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IRM-2638VS18 Dataheets PDF



Part Number IRM-2638VS18
Manufacturers Everlight Electronics
Logo Everlight Electronics
Description Infrared Remote-control Receiver
Datasheet IRM-2638VS18 DatasheetIRM-2638VS18 Datasheet (PDF)

EVERLIGHT ELECTRONICS CO.,LTD. Technical Data Sheet Infrared Remote-control Receiver Module Features : • Photo detector and preamplifier in one package • Internal filter for PCM frequency • Improved shielding against electrical field disturbance • TTL and CMOS compatibility • Output active low • Low power consumption • Improved immunity against ambient light • Suitable burst length ≧ 10 cycles/burst IRM-2638VS18 Descriptions ‧The IRM-2638VS18 are miniaturized receivers for infrared remote con.

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EVERLIGHT ELECTRONICS CO.,LTD. Technical Data Sheet Infrared Remote-control Receiver Module Features : • Photo detector and preamplifier in one package • Internal filter for PCM frequency • Improved shielding against electrical field disturbance • TTL and CMOS compatibility • Output active low • Low power consumption • Improved immunity against ambient light • Suitable burst length ≧ 10 cycles/burst IRM-2638VS18 Descriptions ‧The IRM-2638VS18 are miniaturized receivers for infrared remote control systems. PIN diode and preamplifier are assembled on lead frame, the epoxy package is designed as IR filter. The demodulated output signal can directly be decoded by a microprocessor. IRM-2638VS18 is the standard IR remote control receiver series, supporting all major transmission codes. Applications 1. Optical switch 2. Light detecting portion of remote control ․AV instruments such as Audio, TV, VCR, CD, MD, etc. ․Home appliances such as Air-conditioner, Fan , etc. ․The other equipments with wireless remote control. ․CATV set top boxes ․Multi-media Equipment PART Chip Shell MATERIAL Silicon Tinplate COLOR Black Silver-white Everlight Electronics Co., Ltd. Device No:DMO-026-374 http:\\www.everlight.com Prepared date:03-15-2005 Rev 1 Page: 1 of 9 Prepared by:Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. Package Dimensions IRM-2638VS18 OUT GND Vcc Notes: 1.All dimensions are in millimeters. 2.Tolerances unless dimensions ±0.3mm. Absolute Maximum Ratings (Ta=25℃) Parameter Symbol Rating Supply Voltage Operating Temperature Storage Temperature Vcc Topr Tstg 6 -25 ~ +80 -40 ~ +85 Soldering Temperature Tsol 260 Unit Notice V ℃ ℃ ℃ 4mm from mold body less than 10 seconds Everlight Electronics Co., Ltd. Device No:DMO-026-374 http:\\www.everlight.com Prepared date:03-15-2005 Rev 1 Page: 2 of 9 Prepared by:Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638VS18 Recommended Operating Condition Supply Voltage Rating: Vcc 4.5V to 5.5V Electro-Optical Characteristics (Ta=25℃, and Vcc=5 V) Parameter Symbol MIN. TYP. MAX. Consumption Current Icc --- 1.2 --- B.P.F Center Frequency Peak Wavelength Reception Distance Half Angle(Horizontal) Half Angle(Vertical) Fo --- 38 --- λp --- 940 --- L0 8 --- --- L45 5 --- --- Θh --- 45 --- Θv --- 45 --- High Level Pulse Width TH 400 --- 800 Low Level Pulse Width TL 400 --- 800 Unit Condition mA No signal input KHz nm m deg At the ray axis *1 deg μs At the ray axis μs *2 High Level Output Voltage VH 4.5 --- --- V Low Level Output Voltage VL --- 0.2 0.5 V *1:The ray receiving surface at a vertex and relation to the ray axis in the range of θ= 0° and θ=45°. *2:A range from 30cm to the arrival distance. Average value of 50 pulses. Everlight Electronics Co., Ltd. Device No:DMO-026-374 http:\\www.everlight.com Prepared date:03-15-2005 Rev 1 Page: 3 of 9 Prepared by:Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638VS18 Test Method: The specified electro-optical characteristics is satisfied under the following Conditions at the controllable distance. cMeasurement place A place that is nothing of extreme light reflected in the room. dExternal light Project the light of ordinary white fluorescent lamps which are not high Frequency lamps and must be less then 10 Lux at the module surface. (Ee≦10Lux) eStandard transmitter A transmitter whose output is so adjusted as to Vo=400mVp-p and the output Wave form shown in Fig.-1.According to the measurement method shown in Fig.-2 the standard transmitter is specified. However , the infrared photodiode to be used for the transmitter should be λp=940nm,∆λ=50nm. Also, photodiode is used of PD438B(Vr=5V). fMeasuring system According to the measuring system shown in Fig.-3 Fig.-1 Transmitter Wave Form IR TANSMITTER OUTPUT WAVE FORM Carrier frequency is adjusted to center frequency of each product. D.U.T output Pulse OUTPUT PULSE OF DEVICE Duty=0.5 Everlight Electronics Co., Ltd. Device No:DMO-026-374 http:\\www.everlight.com Prepared date:03-15-2005 Rev 1 Page: 4 of 9 Prepared by:Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638VS18 Fig.-2 Measuring Method 20cm 10k +5.0± 0.1V 10uF Standard Transmitter Vout 100k Oscilloscope Fig.-3 Measuring System Standard Transmitter L: Transmission Distance Vcc θ OUT θ D.U.T Vout GND θ: Angle Of Horizontal & Vertical Direction Block Diagram: IN Input Carrier frequency f0 Modulated IR signal min 10 pulses Oscillator Application Circuit: Vs CGA & filter Demodulator AGC/ATC & digital control GND OUT µC RC Filter should be connected closely between Vcc pin and GND pin. Everlight Electronics Co., Ltd. Device No:DMO-026-374 http:\\www.everlight.com Prepared date:03-15-2005 Rev 1 Page: 5 of 9 Prepared by:Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638VS18 Typical Electro-Optical Characteristics Curves Fig.-4 Relative Spectral Sensitivity vs. Fig.-5 Relative Transmission Distance vs. Wavelength Direction θ Fig.-6 .


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