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everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 1 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin technical data sheet infrared remote-control receiver module irm-h2xxt/tr2 series features ? high shielding against electric field disturbance. ? low voltage and low power consumption. ? very small sizes. ? external dimensions 5.10(l)*4.60(w)*1.45(h)mm. ? high immunity against ambient light. ? photodiode with integrated circuit. ? ttl and cmos compatibility. ? high sensitivity. ? top-received smd. ? suitable burst length R 10 pulses/burst. ? rohs refer to irm-vxxx,hxxx series sgs report ? pb free. descriptions the device is a miniature smd type infrared remote control system receiver that has been developed and designed by utilizing the most updated ic technology. the pin diode and preamplifier are assembled on pcb, 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 device selection guide part material color chip silicon --- package epoxy black metal case spcc silver white
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 2 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin irm-h2xxt/tr2 series package dimensions notes 1.all dimensions are in millimeters. 2.tolerances unless dimensions 0.2mm. soldering patterns view back the following soldering patterns are recommended for reflow-soldering :
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 3 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin irm-h2xxt/tr2 series available types for different carrier frequencies type carrier frequencies (typ) irm-h236t/tr2 36 khz irm-h238t/tr2 38 khz irm-h240t/tr2 40 khz absolute maximum ratings (ta=25 ) parameter symbol rating unit notice supply voltage vcc 6 v operating temperature topr -25 ~ +80 storage temperature tstg -40 ~ +85 recommended operating condition supply voltage rating: vcc 2.7v to 5.5v electro-optical characteristics (ta=25 , vcc = 3v) parameter symbol min. typ. max. unit condition supply current icc --- --- 3 ma no signal input peak wavelength p --- 940 --- nm --- l 0 8 --- --- reception distance l 45 5 --- --- m --- half angle(horizontal) h --- 45 --- deg at the ray axis * 1 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 *2 high level output voltage v h 2.7 --- --- v low level output voltage v l --- 0.2 0.5 v notes: *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. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 4 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin carrier frequency is adjusted to center frequency of each product. ir tansmitter output wave form output pulse of device irm-h2xxt/tr2 series the notice of application: transmission remote control signal consist of four parts: encode part, ir transmitter source, irm device, decode part 1. when irm-h2xxt code select frequency, it need to well understand the center system of encode part. 2. strong or weak light of ir transmitter can affect distance of transmission. 3. minimum burst length t burst (number of pulses per burst) : 10 cycles 4. it needs to ensure the translation range of dec ode part if it is applied to the pulse-width range. if the above items hardly assure of its application, it?ll cause ng(no good) message from the edge of signal. note: this model might not work well with rca code. test method the specified electro-optical characteristics is satisfied under the following conditions at the controllable distance. c measurement place a place that is nothing of extreme light reflected in the room. d 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. (ee Q 10lux) e 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). (standard light / light source temperature 2856 k). f measuring system according to the measuring system shown in fig.-3 fig.-1 transmitter wave form d.u.t output pulse duty=0.5
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 5 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin standard transmitter oscilloscope vout 10uf +5.0 0.1v 10k 20cm 1 0 0 k e e d.u.t l: transmission distance standard transmitter gnd vcc out vout : angle of horizontal & vertical direction irm-h2xxt/tr2 series fig.-2 measuring method fig.-3 measuring system block diagram application circuit rc filter should be connected closely between vcc pin and gnd pin. modulated ir signal min 10 pulses carrier frequency f0 out in vs gnd input cga & filter demodulator oscillator agc/atc & digital control c
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 6 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin irm-h2xxt/tr2 series 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 distan ce fig.-7 arrival distance vs. supply voltage 2 4 8 6 10
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 7 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin relative transmission distance (%) center carrier frequency (khz) relative transmi ssion distance (%) center carrier frequency (khz) relative transmission distance (%) center carrier frequency (khz) irm-h2xxt/tr2 series typical electro-optical characteristics curves fig.-8 arrival distance vs. ambient temperature fi g.-9 relative transmission distance vs. center carrier frequency 6 4 8 irm-h236t/tr2 fig.-9 relative transmission distan ce vs. center carrier frequency irm-h238t/tr2 irm-h240t/tr2
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 8 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin irm-h2xxt/tr2 series reliability test item and condition the reliability of products shall be satisfied with items listed below. confidence level 90% ltpd 10% reflow terms: jedec level 4 specification drying; temp.:125 24hrs ? moisture 30 / 60% rh 96hrs ? reflow temp.: 260 5 10sec, 3 times note: 1. not sooner than 15 minutes and not longer than 4 hours after removal from the temperature/humidity chamber. 2. the time between reflow shall be 5 minutes minimum and 60 minutes maximum. test items test conditions failure judgement criteria samples(n) defective(c) temperature cycle 1 cycle -25 +85 (30min)(5min)(30min) 300 cycle test n=76,c=0 high temperature test temp +85 vcc 5v 1000hrs n=76,c=0 low temperature storage temp -40 1000hrs n=76,c=0 high temperature high humidity ta 85 rh 85% 1000hrs l 0 Q l 0.8 l 45 Q l 0.8 l: lower specification limit *icc : operate current (ma) variation Q 20%: n=76,c=0
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 9 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin irm-h2xxt/tr2 series recommended method of storage dry box storage is recommended as soon as the aluminum bag has been opened prevent moisture absorption. the following conditions should be observed, if dry boxes are not available: storage temperature 10 to 30 storage humidity Q 60%rh max. after more than 72 hours under these conditions moisture content will be too high for reflow soldering: in case of moisture absorption, the devices will recover to former condition by drying under the following condition: 192 hours at 40 +5 /-0 and 5%rh (dry air / nitrogen) or 96 hours at 60 +5 and < 5%rh for all device containers or 24 hours at 125 +5 not suitable for reel or tubes. esd precaution proper storage and handing procedures should be followed to prevent esd damage to the devices especially when they are removed from the anti-static bag. electro-static sensitive devices warning labels are on the packing. recommended solder profile 1~5c/sec 1~5c/sec. pre-heating 180~200c 120sec.max. 60sec. max. above. 220c 260c max. 10sec max. notice: (1) reflow soldering should not be done more than two times. (2) when soldering, do not put stress on the irm-h2xxt series devices during heating. (3) after soldering, do not warp the circuit board.
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 10 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin irm-h2xxt/tr2 series soldering iron each terminal is to go to the tip of soldering iron temperature less than 350 for 3 seconds within once in less than the soldering iron capacity 25w. leave two seconds and more intervals, and do soldering of each terminal. be car eful because the damage of the product is often started at the time of the hand solder. repairing repair should not be done after the devices have been soldered. when repairing is unavoidable, a double-head soldering iron should be used (as below figure). it should be confirmed beforehand whether the characteristics of the devices will or will not be damaged by repairing.
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 11 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin irm-h2xxt/tr2 series packing quantity specification 1. 2000 pcs/1 reel 2. 5 reel /1carton carrier tape dimensions: loaded quantity 2000 pcs per reel progressive direction cover trap packing process bar code label
everlight electronics co.,ltd. everlight electronics co., ltd. http:\\www.ev erlight.com rev 1 page: 12 of 12 device no dmo-238-408 prepared date 02-05-2007 prepared by cindy lin irm-h2xxt/tr2 series label form specification cpn: customer?s production number p/n : production number qty: packing quantity cat: none hue: none ref: reference lot no: lot number made in taiwan: production place 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 material s protected under copyright of everlight corporation. please don?t reproduce or cause anyone to reproduce them without everlight?s consent. e verlight electronics co., ltd. tel: 886-2-2267-2000, 2267-9936 office: no 25, lane 76, sec 3, chung yang rd, fax: 886-2267-6244, 2267-6189, 2267-6306 tucheng, taipei 236, taiw an, r.o.c http:\\www.everlight.com

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