EVERLIGHT ELECTRONICS CO.,LTD. Technical Data Sheet Infrared Remote-Control Receiver Module IRM-3738S18 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 min. burst length≧6 or 10 pulses/burst. • The product itself will remain within RoHS compliant version. • Pb free Descriptions ‧The device is a miniature type infrared remote control system receiver which has been developed and designed by utilizing the most updated IC technology. The PIN diode and preamplifier are assembled on lead frame, the epoxy package is designed as an IR filter. The demodulated output signal can directly be decoded by a microprocessor. 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 Shell Epoxy Silver-white Everlight Electronics Co., Ltd. http:\\www.everlight.com Device No：SZDMO-037-004 Prepared date：07-28-2005 Rev 2 Page: 1 of 9 Prepared by：Hao Liu EVERLIGHT ELECTRONICS CO.,LTD. IRM-3738S18 Package Dimensions OUT Vcc GND 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 ~ +85 ℃ Storage Temperature Tstg -25 ~ +85 ℃ Soldering Temperature Tsol 260 ℃ Everlight Electronics Co., Ltd. http:\\www.everlight.com Device No：SZDMO-037-004 Prepared date：07-28-2005 Rev 2 Notice 4mm from mold body less than 10 seconds Page: 2 of 9 Prepared by：Hao Liu EVERLIGHT ELECTRONICS CO.,LTD. IRM-3738S18 Recommended Operating Condition Supply Voltage Rating: Vcc 2.7V to 5.5V Electro-Optical Characteristics (Ta=25℃, and Vcc=3.0V) Parameter Symbol MIN. TYP. MAX. Unit Condition Consumption Current Icc 0.7 0.9 1.2 mA No signal input B.P.F Center Frequency Fo --- 38 --- KHz Peak Wavelength λp --- 940 --- nm L0 8 --- --- L45 5 --- --- 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 2.5 --- --- 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 Device No：SZDMO-037-004 Prepared date：07-28-2005 Rev 2 Page: 3 of 9 Prepared by：Hao Liu EVERLIGHT ELECTRONICS CO.,LTD. IRM-3738S18 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 Device No：SZDMO-037-004 Prepared date：07-28-2005 Rev 2 Page: 4 of 9 Prepared by：Hao Liu EVERLIGHT ELECTRONICS CO.,LTD. IRM-3738S18 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： IN Vs Input Oscillator CGA & filter Demodulator OUT µC AGC/ATC & digital control Carrier frequency f0 Modulated IR signal min 6/10 pulses GND Application Circuit： RC Filter should be connected closely between Vcc pin and GND pin. Everlight Electronics Co., Ltd. http:\\www.everlight.com Device No：SZDMO-037-004 Prepared date：07-28-2005 Rev 2 Page: 5 of 9 Prepared by：Hao Liu EVERLIGHT ELECTRONICS CO.,LTD. IRM-3738S18 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) 17.5 10.5 7.0 3.5 0 2.7 3.0 3.3 3.5 3.8 4.1 4.4 4.7 5.0 5.3 5.5 Supply Voltage Vcc (V) Everlight Electronics Co., Ltd. http:\\www.everlight.com Device No：SZDMO-037-004 Prepared date：07-28-2005 Rev 2 Page: 6 of 9 Prepared by：Hao Liu EVERLIGHT ELECTRONICS CO.,LTD. IRM-3738S18 Typical Electro-Optical Characteristics Curves Fig.-8 Relative Transmission Distance vs. Center Carrier Frequency Fig.-9 Arrival Distance vs. Ambient Temperature Everlight Electronics Co., Ltd. http:\\www.everlight.com Device No：SZDMO-037-004 Prepared date：07-28-2005 Rev 2 Page: 7 of 9 Prepared by：Hao Liu EVERLIGHT ELECTRONICS CO.,LTD. IRM-3738S18 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 1 cycle Temperature cycle -25℃ Failure Judgement Criteria Samples(n) Defective(c) +85℃ (30min)(5min)(30min) 300 cycle test n=22,c=0 Temp: +85℃ High temperature test Vcc:5V 1000hrs L0≦ L×0.8 L45≦ L×0.8 Low temperature storage Temp: -25℃ High temperature High humidity Ta: 85℃,RH:85% Solder heat n=22,c=0 n=22,c=0 1000hrs L: Lower specification limit n=22,c=0 1000hrs Temp: 260±5℃ 10sec n=22,c=0 4mm From the bottom of the package. Everlight Electronics Co., Ltd. http:\\www.everlight.com Device No：SZDMO-037-004 Prepared date：07-28-2005 Rev 2 Page: 8 of 9 Prepared by：Hao Liu EVERLIGHT ELECTRONICS CO.,LTD. IRM-3738S18 Packing Quantity Specification 1. 1000PCS/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 RoHS IRM-3738S18 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 Device No：SZDMO-037-004 Prepared date：07-28-2005 Rev 2 Page: 9 of 9 Prepared by：Hao Liu