infrared receiver module EAIRMAA2 features ? high protection ability against emi ? circular lens for improved reception characteristics ? a vailable for various carrier frequencies ? min burst length: 12 cycles ? min gap length: 1 6 cycles ? low operating voltage and low power consumption ? high immunity against ambient light ? high immunity against tft backlight ? long reception range ? high s ensitivity ? pb free and rohs compliant ? compliance with eu reach the EAIRMAA2 device is a dip type infrared receiver which has been developed and designed by using the latest ic technology. the pin diode and preamplifier are assembled onto a lead frame and molded into a black epoxy package which operates as an ir filter. the demodulated output signal can directly be decoded by a microprocessor. pin configuration 1: vout 2: gnd 3: v cc block diagram 1 2 3 page 1 of 8 rev. 0.01
applications ? av equipment such as tv, vcr, dvd, cd, md, etc. ? catv set top boxes ? multi-media equipment ? other devices using ir remote control application circuit the rc filter must be connected as close as possible to vcc and gnd pins. parts number table model no. carrier frequency EAIRMAA2 38 khz datasheet EAIRMAA2 page 2 of 8 rev. 0.01
absolute maximum ratings (t a =25c) *1 parameter symbol rating unit supply voltage vcc 6 v operating temperature topr -20 ~ +80 storage temperature tstg -40 ~ +85 soldering temperature *2 tsol 260 * 1 s tre s ses in excess of the absolute maximum ratings can cause permanent damage to the device. functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of this document. exposure to absolute maximum ratings for extended periods of the time can adversely affect reliability. *2 4mm from mold body for less than 5 seconds electro-optical characteristics (ta=25 , vcc=3v) parameter symbol min. typ. max. unit condition current consumption icc --- 0.4 0.6 ma no input signal supply voltage v cc 2.7 - -- 5.5 v peak wavelength p --- 940 --- nm reception range l 0 14 --- --- m see chapter 'test method' * 3 l 45 6 --- --- m half angle(horizontal) h --- 35 --- deg half angle(vertical) v --- 35 --- deg high level pulse width t h 4 00 --- 800 s test signal according to figure 1 *4 low level pulse width t l 400 --- 800 s high level output voltage v oh vcc- 0.4 --- --- v i source Q 1 a low level output voltage v ol --- 0.2 0.5 v i sink Q 2ma * 3 the ray receiving surface at a vertex and relation to the ray axis in the range of =0 and =45. *4 a range from 30cm to the arrival distance. average value of 50 pulses. datasheet EAIRMAA2 page 3 of 8 rev. 0.01
test method the specified electro-optical characteristics are valid under the following conditio ns . 1. measurement environment a place without extreme light reflections. 2. external light the environment contains an ordinary, white fluorescent lamp without high frequency modulation. the color temperature is 2856k and the illumination at the ir receiver is less than 10 lux (e v Q 10lux). 3. standard transmitter the test transmitter is calibrated by using the circuit shown in figure 2. the radiation intensity of the transmitter is adjusted until vo=400mvp-p . both the test transmitter and the photo diode have the peak wavel ength of 940nm. the photo diode for calibration is pd438b (p=940nm , vr=5v). 4. th e m eas urement system is shown in fig.-3 fig.-1 transmitter wave form d.u.t output pulse fig.- 2 standard transmitter calibration fig.- 3 measuring system datasheet EAIRMAA2 page 4 of 8 rev. 0.01
typical electro-optical characteristic curves datasheet EAIRMAA2 page 5 of 8 rev. 0.01
code information protocol suitable protocol suitable jvc yes sharp yes matsushita yes sony 12 bit 2) yes mitsubishi no sony 15 bit no nec yes sony 20 bit no rc5 yes toshiba yes rc6 1) yes continuous code no rca no 1) best choice depends on rc6 mode. if data low time is below 22ms, m2 is the best choice, otherwise m3. 2) if only sony 12 bit version is used, m3 is recommended otherwise m2 is the best choice. device marking notes 1 denotes year code 2 denotes month code 3 denotes device number 4 denotes carrier frequency packing quantity 1500 pcs / box 10 boxes / carton datasheet EAIRMAA2 page 6 of 8 rev. 0.01
package dimensions (dimensions in mm) notes: 1. all dimensions are in millimeters. 2 . tolerances unless dimensions 0.5mm. pin function : vout : gnd : vcc datasheet EAIRMAA2 page 7 of 8 rev. 0.01
disclaimer 1. everlight reserves the right(s) on the adjustment of product material mix for the specification. 2. the product meets everlight published specification for a period of twelve (12) months from date of shipment. 3. the graphs shown in this datasheet are representing typical data only and do not show guaranteed values. 4. 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 the use of the product which does not comply with the absolute maximum ratings and the instructions included in these specification sheets. 5. these specification sheets include materials protected under copyright of everlight. reproduction in any form is prohibited without obtaining everlights prior consent. 6. this product is not intended to be used for military, aircraft, automotive, medical, life sustaining or life saving applications or any other application which can result in human injury or death. please contact authorized everlight sales agent for special application request. datasheet EAIRMAA2 page 8 of 8 rev. 0.01
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