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| EVERLIGHT ELECTRONICS CO.,LTD. Technical Data Sheet Infrared Remote-control Receiver Module IRM-2738 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 * Pb free Descriptions The IRM-2738 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-2738 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 Compound MATERIAL Silicon Epoxy COLOR Black Black Everlight Electronics Co., Ltd. Device NoDMO-027-187 http:\\www.everlight.com Prepared date06-16-2004 Rev 1.0 Prepared by Page: 1 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2738 Package Dimensions OUT Vcc GND Notes: 1.All dimensions are in millimeters. 2.Tolerances unless dimensions 0.3mm. Absolute Maximum Ratings (Ta=25) Parameter Supply Voltage Operating Temperature Storage Temperature Soldering Temperature Symbol Vcc Topr Tstg Tsol Rating 0~6 -25 ~ +80 -40 ~ +85 260 Unit V 4mm from mold body less than 10 seconds Notice Everlight Electronics Co., Ltd. Device NoDMO-027-187 http:\\www.everlight.com Prepared date06-16-2004 Rev 1.0 Prepared by Page: 2 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2738 Recommended Operating Condition Supply Voltage Rating: Vcc 4.5V to 5.5V Electro-Optical Characteristics (Ta=25, and Vcc=5 V) Parameter Consumption Current B.P.F Center Frequency Peak Wavelength Reception Distance Half Angle(Horizontal) Half Angle(Vertical) High Level Pulse Width Low Level Pulse Width High Level Output Voltage Low Level Output Voltage Symbol Icc Fo p L0 L45 h v TH TL VH VL MIN. ------14 7 ----400 400 4.5 --TYP. 1.2 38 940 ----45 45 ------0.2 MAX. --------------800 800 --0.5 deg deg s s V V At the ray axis *2 At the ray axis *1 Unit mA KHz nm m Condition No signal input *1:The ray receiving surface at a vertex and relation to the ray axis in the range of = 0 and =45. *2:A range from 30cm to the arrival distance. Average value of 50 pulses. Everlight Electronics Co., Ltd. Device NoDMO-027-187 http:\\www.everlight.com Prepared date06-16-2004 Rev 1.0 Prepared by Page: 3 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2738 Test Method The specified electro-optical characteristics is satisfied under the following Conditions at the controllable distance. Measurement place A place that is nothing of extreme light reflected in the room. External 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. (Ee10Lux) Standard 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 p=940nm,=50nm. Also, photodiode is used of PD438B(Vr=5V). Measuring 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. OUTPUT PULSE OF DEVICE IR TANSMITTER OUTPUT WAVE FORM Duty=0.5 Everlight Electronics Co., Ltd. Device NoDMO-027-187 http:\\www.everlight.com Prepared date06-16-2004 Rev 1.0 Prepared by Page: 4 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2738 Fig.-2 Measuring Method 20cm 10k +5.0 0.1V 10uF Fig.-3 Measuring System L: Transmission Distance Vcc OUT D.U.T Standard Transmitter Vout 100k Standard Transmitter Vout GND : Angle Of Horizontal & Vertical Direction Oscilloscope Block Diagram IN Vs Input CGA & filter Demodulator OUT C Oscillator Carrier frequency f0 AGC/ATC & digital control 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. Device NoDMO-027-187 http:\\www.everlight.com Prepared date06-16-2004 Rev 1.0 Prepared by Page: 5 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2738 Typical Electro-Optical Characteristics Curves Fig.-4 Relative Spectral Sensitivity vs. Wavelength Fig.-5 Relative Transmission Distance vs. Direction Fig.-6 Output Pulse Length vs. Arrival Distance Fig.-7 Arrival Distance vs. Supply Voltage 17.0 14.0 10.5 7.0 3.5 Transmission Distance Lc (m) Supply Voltage Vcc (V) Everlight Electronics Co., Ltd. Device NoDMO-027-187 http:\\www.everlight.com Prepared date06-16-2004 Rev 1.0 Prepared by Page: 6 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2738 Typical Electro-Optical Characteristics Curves Fig.-8 Relative Transmission Distance vs. Center Carrier Frequency Fig.-9 Arrival Distance vs. Ambient Temperature 20 15 10 Everlight Electronics Co., Ltd. Device NoDMO-027-187 http:\\www.everlight.com Prepared date06-16-2004 Rev 1.0 Prepared by Page: 7 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2738 Reliability Test Item And Condition The reliability of products shall be satisfied with items listed below. Confidence level: 90% LTPD: 10% Failure Judgement Criteria Samples(n) Defective(c) Test Items Test Conditions 1 cycle -40 +25 +85 (30min)(5min)(30min) 300 cycle test Temperature cycle n=22,c=0 Temp: +85 High temperature test Vcc:5V 1000hrs Low temperature storage High temperature High humidity Temp: -40 1000hrs Ta: 85,RH: 85% 1000hrs Temp: 2605 10sec 4mm From the bottom of the package. n=22,c=0 L0 Lx0.8 L45 Lx0.8 n=22,c=0 L: Lower specification limit n=22,c=0 Solder heat n=22,c=0 Everlight Electronics Co., Ltd. Device NoDMO-027-187 http:\\www.everlight.com Prepared date06-16-2004 Rev 1.0 Prepared by Page: 8 of 9 Carryll Hsu EVERLIGHT ELECTRONICS CO.,LTD. IRM-2738 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-2738 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. Device NoDMO-027-187 http:\\www.everlight.com Prepared date06-16-2004 Rev 1.0 Prepared by Page: 9 of 9 Carryll Hsu |
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