model: EM6022P product: electret condenser microphone type: omni directional back electret condenser microphone electrical characteristics temperature =202 c humidity=655% parameter symbol condition limits unit min center max sensitivity s 0db=1v/pa at 1khz -45 -42 -39 db output impedance z out f=1khz 2.2 k current consumption i dss vcc =2.0v, rl=2.2k 500 a signal to noise ratio s/n at 1khz s.p.l=1pa (a-weighted curve) 58 db decreasing voltage s vcc=3.0v to2.0v -3 db operating voltage 1.0 10 v maximum input s.p.l 110 db typical frequency response curve measurement circuit page 1/5 frequency response microphone response tolerance window frequency(hz) lower limit(db) upper limit(db) 50 -3 +3 100 -3 +3 800 -3 +3 1000 0 0 1200 -3 +3 3000 -3 +3 5000 -3 +3 10000 -8 +3 rl=2.2k vs=2.0v c1=10pf c2=33pf c=1f
temperature conditions storage temperature range -40c ~ +85c operation temperature range -40c ~ +85c note: store in electronic warehouse. terminal mechanical strength terminal should be no interference in operation after pulled the terminal with 1kg for 1 minute. reliability test after each of following tests, the sensitivity of the microphone should be within 3db of initial sensitivity after 3 hours of conditioning at 20c . vibration test frequency 10hz~55hz amplitude 1.52mm change of frequency 1 octave/min 2 hours in each of axis high temperature test +85c for 240 hours low temperature test -40c for 240 hours humidity test 90% ~ 95%rh, +60c for 240 hours thermal shocking test C40c, 30 minutes +80c, 30 minutes, repeated 32 cycles room temperature, 3 hours temperature cycles -40c +20c +85c +20c -40c (2h) (0.5h) (2h) (0.1h) (2h) (0.5h) (2h) (0.5h) (2h) for 5 cycles packing drop test height 1.5m procedure 5 times from each of axis electrostatic discharge tested to iec61000-4-2 level 3 contact discharge the microphone shall operate normally after 10 discharges to is 6kv dc and the discharge network is 150pf & 330. air discharge the microphone shall operate normally after 10 discharges to is 8kv dc and the discharge network is 150pf & 330 soldering condition we suggest using an anti-static welding machine which can control soldering temperature automatically. soldering temperature should be controlled at under 320 c and soldering time for each terminal should be 1~2 seconds. microphone should be fxed on the metal block (heat sink), which has high radiation efects, and heat sink shall contact with mic tightly. microphone may easily be destroyed by the static electricity and the countermeasure for eliminating the static electricity shall be electrocution (worktable and human body shall be ground connection) page 2/5 model: EM6022P product: electret condenser microphone
measurement setup drawing product external view and dimension unit : mm exploded drawing and material table page 3/5 model: EM6022P product: electret condenser microphone name material quantity remark 1 dustproof gauze non-weave cloth 1 2 case al-mg alloy 1 3 diaphragm 1 4 spacer 1 5 electret plate 1 6 chamber 1 7 copper ring 1 8 pcb 1 9 fet 1 10 pin 2 11 chip capacitor 2 10+33pf
heat sink page 4/5 model: EM6022P product: electret condenser microphone shape of heat sink shape of hole at fixed part
packing page 5/5 model: EM6022P product: electret condenser microphone dimension:(length*width *height) plastic tray 100mm*100mm*10mm middle box: 205mm*105mm*50mm carton size: 550mm*230mm*235mm quantity and weight 100pcs/ plastic tray 1400pcs/mid box 28000pcs/carton 1pc=0.1g net weight: 2.8 kg gross weight: 5.0kg x1 100pcs 1400pcs 28000pcs x14 x20
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