EVERLIGHT ELECTRONICS CO.,LTD. Technical Data Sheet Infrared Remote-control Receiver Module IRM-2638F4 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 pulses/burst. • Pb free Descriptions ‧The IRM-2638F4 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-2638F4 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 MATERIAL COLOR Chip Silicon Black Compound Epoxy Black Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 1.1 Device No：DMO-026-205 Prepared date：06-16-2004 Prepared by： Page: 1 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638F4 Package Dimensions OUT GND Vcc Notes: 1.All dimensions are in millimeters. 2.Tolerances unless dimensions ±0.3mm. Absolute Maximum Ratings (Ta=25℃) Parameter Symbol Rating Unit Supply Voltage Vcc 0~6 V Operating Temperature Topr -25 ~ +80 ℃ Storage Temperature Tstg -40 ~ +85 ℃ Soldering Temperature Tsol 260 ℃ Notice 4mm from mold body less than 10 seconds Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 1.1 Device No：DMO-026-205 Prepared date：06-16-2004 Prepared by： Page: 2 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638F4 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. Unit Condition Consumption Current Icc --- 1.2 --- mA No signal input B.P.F Center Frequency Fo --- 38 --- KHz Peak Wavelength λp --- 940 --- nm L0 14 --- --- L45 6 --- --- Half Angle(Horizontal) Θh --- 45 --- deg Half Angle(Vertical) Θv --- 45 --- deg High Level Pulse Width TH 400 --- 800 μs Low Level Pulse Width TL 400 --- 800 μs High Level Output Voltage VH 4.5 --- --- V Low Level Output Voltage VL --- 0.2 0.5 V Reception Distance m At the ray axis *1 At the ray axis *2 *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. http:\\www.everlight.com Rev 1.1 Device No：DMO-026-205 Prepared date：06-16-2004 Prepared by： Page: 3 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638F4 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 D.U.T output Pulse Carrier frequency is adjusted to center frequency of each product. IR TANSMITTER OUTPUT WAVE FORM OUTPUT PULSE OF DEVICE Duty=0.5 Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 1.1 Device No：DMO-026-205 Prepared date：06-16-2004 Prepared by： Page: 4 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638F4 Fig.-2 Measuring Method Fig.-3 Measuring System 20cm 10k +5.0± 0.1V L: Transmission Distance Vcc OUT θ θ 10uF D.U.T Standard Transmitter Vout Standard Transmitter Vout 100k GND θ: Angle Of Horizontal & Vertical Direction Oscilloscope Block Diagram： Vs IN Input Oscillator CGA & filter Demodulator OUT µC AGC/ATC & digital control Carrier frequency f0 Modulated IR signal min 10 pulses GND Application Circuit： RC Filter should be connected closely between Vcc pin and GND pin. Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 1.1 Device No：DMO-026-205 Prepared date：06-16-2004 Prepared by： Page: 5 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638F4 Typical Electro-Optical Characteristics Curves Fig.-4 Relative Spectral Sensitivity vs. Wavelength Fig.-5 Relative Transmission Distance vs. Direction θ Fig.-6 Output Pulse Length vs. Arrival Distance Fig.-7 Arrival Distance vs. Supply Voltage Transmission Distance Lc (m) 17.0 14.0 10.5 7.0 3.5 Supply Voltage Vcc (V) Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 1.1 Device No：DMO-026-205 Prepared date：06-16-2004 Prepared by： Page: 6 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638F4 Typical Electro-Optical Characteristics Curves Fig.-8 Relative Transmission Distance vs. Center Carrier Frequency Fig.-9 Arrival Distance vs. Ambient Temperature Transmission Distance Lc (m) 17.5 14.0 10.5 7.0 3.5 Ambient Temperature Ta (°C) Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 1.1 Device No：DMO-026-205 Prepared date：06-16-2004 Prepared by： Page: 7 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638F4 █ Reliability Test Item And Condition The reliability of products shall be satisfied with items listed below. Confidence level: 90% LTPD: 10% Test Items Test Conditions Failure Judgement Criteria Samples(n) Defective(c) 1 cycle Temperature cycle -40℃ +25℃ +85℃ (30min)(5min)(30min) 300 cycle test Temp: +85℃ High temperature test Vcc:5V 1000hrs Low temperature storage n=22,c=0 n=22,c=0 L0≦ L×0.8 L45≦ L×0.8 Temp: -40℃ 1000hrs n=22,c=0 High temperature High humidity Ta: 85℃,RH: 85% 1000hrs Solder heat Temp: 260±5℃ 10sec 4mm From the bottom of the package. L: Lower specification limit n=22,c=0 n=22,c=0 Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 1.1 Device No：DMO-026-205 Prepared date：06-16-2004 Prepared by： Page: 8 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2638F4 Packing Quantity Specification 1. 1500PCS/1Box 2. 10Boxes/1Carton Label Form Specification CPN: Customer’s Production Number P/N : Production Number QTY: Packing Quantity CAT: Ranks HUE: Peak Wavelength REF: Reference LOT No: Lot Number MADE IN TAIWAN: Production Place IRM-2638F4 Notes 1. Above specification may be changed without notice. EVERLIGHT will reserve authority on material change for above specification. 2. When using this product, please observe the absolute maximum ratings and the instructions for using outlined in these specification sheets. EVERLIGHT assumes no responsibility for any damage resulting from use of the product which does not comply with the absolute maximum ratings and the instructions included in these specification sheets. 3. These specification sheets include materials protected under copyright of EVERLIGHT corporation. Please don’t reproduce or cause anyone to reproduce them without EVERLIGHT’s consent. EVERLIGHT ELECTRONICS CO., LTD. Office: No 25, Lane 76, Sec 3, Chung Yang Rd, Tucheng, Taipei 236, Taiwan, R.O.C Tel: 886-2-2267-2000, 2267-9936 Fax: 886-2267-6244, 2267-6189, 2267-6306 http:\\www.everlight.com Everlight Electronics Co., Ltd. http:\\www.everlight.com Rev 1.1 Device No：DMO-026-205 Prepared date：06-16-2004 Prepared by： Page: 9 of 9 Carryll Hsu