infrared remote control receiver module everlight electronics co., ltd. 1 http://www.everlight.com document no dmo-0000028 rev. 1 december,23 , 2008 IRM-8751K-1 features ? high protection ability against emi. ? circular lens to improve the receive characteristic. ? line-up for various center carrier frequencies. ? low voltage and low power consumption. ? high immunity against ambient light. ? photodiode with integrated circuit. ? ttl and cmos compatibility. ? long reception distance. ? high sensitivity. ? pb free 1 2 3 description the IRM-8751K-1 device are miniature type infrared remote control system receiver which has been developed and designed by utilizing the most updated ic technology. pin configuration 1. out 2. gnd 3. v s 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 ? light detecting portion of remote control ? av instruments such as audi o, 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 block dia g ram application circuit rc filter should be connected closel y between vcc pin and gnd pin.
infrared remote control receiver module everlight electronics co., ltd. 2 http://www.everlight.com document no dmo-0000028 rev. 1 december,23 , 2008 IRM-8751K-1 parts table package dimenstions (dimensions in mm) notes: tolerances unless dimensions 0.3mm.
infrared remote control receiver module everlight electronics co., ltd. 3 http://www.everlight.com document no dmo-0000028 rev. 1 december,23 , 2008 IRM-8751K-1 absolute maximum ratings (t a =25c) parameter symbol rating unit supply voltage vcc 6 v operating temperature topr -25 ~ +85 storage temperature tstg -40 ~ +85 soldering temperature *1 tsol 260 *1 4mm from mold body less than 10 seconds electro-optical characteristics (ta=25 and vcc=5.0v) parameter symbol min. typ. max. unit condition consumption current icc --- --- 2 ma no signal input b.p.f center frequency fo --- 33 --- khz peak wavelength p --- 940 --- nm l 0 8 --- --- reception distance l 45 4 --- --- m half angle(horizontal) h --- 45 --- deg at the ray axis *2. half angle(vertical) v --- 45 --- deg high level pulse width t h 400 --- 800 s low level pulse width t l 400 --- 800 s at the ray axis *3. high level output voltage v h 4.5 --- --- v low level output voltage v l --- 0.2 0.5 v *2. the ray receiving surface at a vertex and relation to the ray axis in the range of =0 and =45. *3. a range from 30cm to the arrival distance. average value of 50 pulses.
infrared remote control receiver module everlight electronics co., ltd. 4 http://www.everlight.com document no dmo-0000028 rev. 1 december,23 , 2008 IRM-8751K-1 test method the specified electro-optical charac teristics is satisfied under the follo wing conditions at the controllable distance. 1. measurement place a place that is nothing of extrem e light reflected in the room. 2. external light project the light of ordinary white fl uorescent lamps which are not high frequency lamps and must be less then 10 lux at the module surface. (ee 10l Q ux) 3. 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 fi g.-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). (standard light / light source temperature 2856k). 4. measuring system according to the measuring system shown in fig.-3 fig.-1 transmitter wave form d.u.t output pulse fig.-2 measuring method fig.-3 measuring system
infrared remote control receiver module everlight electronics co., ltd. 5 http://www.everlight.com document no dmo-0000028 rev. 1 december,23 , 2008 IRM-8751K-1 typical performance curves fig.-4 relative spectral sensitivity vs. wavelengt h fig.-5 relative transmission distance vs. direction fig.-6 output pulse length vs. arrival distanc e fig.-7 arrival distance vs. supply voltage
infrared remote control receiver module everlight electronics co., ltd. 6 http://www.everlight.com document no dmo-0000028 rev. 1 december,23 , 2008 IRM-8751K-1 fig.-8 relative transmission distance vs. center carrier frequency fig.-9 arrival distance vs. ambient temperature -20 transmission distance lc (m) -40 0 4 8 12 16 20 80 ambient temperature ta (c) 0204060 10 0 relative transmission distance (%) center carrier frequency (khz) packing quantity 1000 pcs / box 10 boxes / carton
infrared remote control receiver module everlight electronics co., ltd. 7 http://www.everlight.com document no dmo-0000028 rev. 1 december,23 , 2008 IRM-8751K-1 disclaimer 1. above specification may be c hanged without notice. everlight will re serve authority on material change for above specification. 2. when using this product, please observe the absolute maximum ratings and the instructions for use 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 prot ected under copyright of everlight. reproduction in any form is prohibited without t he specific consent of everlight.
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