infrared receiver module EAIRMAA3 series features ? high protection ability against emi ? circular lens for improved reception characteristics ? available for various carrier frequencies ? low operating voltage and low power consumption ? high immunity against ambient light ? high immunity against tft and pdp backlight ? long reception range ? high sensitivity ? pb free and rohs compliant ? compliance with eu reach descriptions the EAIRMAA3 device is miniature type infrared remote control system receiver which has been developed and designed by utilizing the most updated ic technology. the p in d iode and pr eamplifier are assembled on lead fram e, the ep oxy p ac kage is de signed as an i r filter. the de m odulated output signal c an directly be decoded by a microprocessor. pin configuration 1. out 2. gnd 3. v cc block diagram 1 2 3 page 1 of 8 rev. 0.01
appl ications ? 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 equ ipment application circuit the rc filter must be connected as close as possible to vcc and gnd pins . part number table model no. carrier frequency EAIRMAA3 38 khz datasheet EAIRMAA3 page 2 of 8 rev. 0.01
absolute maximum ratings (ta=25 ) *1 parameter symbol rating unit supply voltage v cc 6 v operating temperature t opr - 20 ~ +8 0 storage temperature t stg - 40 ~ +85 soldering temperature * 2 t sol 260 *1 stresses 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 (t a =25 , v cc =3v) parameter symbol min. typ. max. unit condition current consumption icc --- 1.0 2.0 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 --- --- half angle(horizontal) h --- 35 --- deg half angle(vertical) v --- 35 --- deg high level pulse width t h 400 --- 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 EAIRMAA3 page 3 of 8 rev. 0.01
test method the specified electro - optical characteristics are valid under the following conditions. 1. measurement environment a place without extreme light reflections. 2. external light the environment contains an ordinary, white fluorescent lam p 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 usi ng the circuit shown in figure 2 . the radiation intensity of the transmitter is adjusted until vo=400mvp - p. both the test t ransmitter and the photo diode have the peak wavelength of 940nm. the photo diode for calibration is pd438b (p=940nm, vr=5v). 4 . the meas urement system is shown in f ig. - 3 fig.1 transmitter wave form d.u.t output pulse fig. - 2 standard transmitter calibration fig.2 standard transmitter calibration fig.3 measuring system datasheet EAIRMAA3 page 4 of 8 rev. 0.01
typical electro-optical characteristics curves fig. - 4 relative spectral sensitivity vs. wavelength fig. - 5 relative transmission distance vs. d irection fig. - 6 output pulse length vs. arrival distance fig. - 7 arrival distance vs. supply voltage transmission distance lc (m) 3.8 supply voltage vcc (v) 2.7 0 3.33.0 3.5 4.4 4.1 4.7 5.0 5.3 5.5 17.5 10.5 7.0 3.5 datasheet EAIRMAA3 page 5 of 8 rev. 0.01
fig. - 8 relative transmission distance vs. center carrier frequency 36khz fig. - 9 relative transmission distance vs. center carrier frequency 3 8khz fig. - 10 relative transmission distance vs. center carrier frequency 40khz fig. - 11 relative transmission distance vs. center carrier frequency 56khz datasheet EAIRMAA3 page 6 of 8 rev. 0.01
package dimensions (dimensions in mm) unit:mm notes: 1. all dimensions are in millimeters. 2. tolerances unless dimensions 0.5mm. 3. suggested pad dimension is just for reference only. please modify the pad dimension based on individual need. pin function : vout : gnd : vcc datasheet EAIRMAA3 page 7 of 8 rev. 0.01
device marking notes: 1 denotes year code 2 denotes month code 3 denotes device number 4 denotes carrier frequency packing quanti ty 1500 pcs / box 10 boxes / carton 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 EAIRMAA3 page 8 of 8 rev. 0.01
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