ThisdocumentcontainsdataproprietarytoPUIAudioInc.Anyuseorreproduction,inanyform,withoutpriorwrittenpermission ofPUIAudioInc.isprohibited. 2019,PUIAudioInc. Data Sheet PO M5038PC3310R PUI Audios omnidirectional electret condenser microphones ( ECMs) capture sound fro m all di re ctions with a 360 p olar patte rn. Excellent for conference phone reco rding, these m icrophone s a re be st suited for applications where the directionality of the acoustic source, with relation to the micropho ne, ma y be unkno wn o r wh en place d ce ntra lly am ong multi ple acoustic source s. Features: 6mm diame ter 5mm height 3 8 dB se n si ti vi ty 50cm >62 dB signaltonoi se r atio Circular polar pattern to capture all sounds e qu ally well re gar dless of place ment Integr ated 33pF and 10pF buzzbl ocking capacitors reduce GSM noise Specifications Parameters Values Units Sensitivity ( 1 kHz 50c m) 0 dB= 1V/P a 38 3 d B Rated Volta g e 2 VDC Output I mpe d ance ( 1 k H z) 2.2 k Current co nsumption (3VS wit h 2. 2 k RL) 500 A SignaltoNoise Ratio (1kHz, 9 4 dB input, Awei ghted) >6 2 dB Decreasin g V oltag e ( 2VS t o 1.5 VS) 3 dB Frequency Range ( 5 0c m, 10 d B) 20 ~ 20, 000 Hz Operating V oltag e Ra ng e 1 ~ 1 0 VDC Maximu m SP L Input ( TH D <3%) 110 dB Directivity Omnidirectional Operating Te mperat ure 20 ~ +6 0 C Storage Te m p erature 40 ~ +7 0 C Weight <0.3 Grams PUIAudio,Inc.,3541StopEightRoad,Dayton,OH45414 Tel:(937)4155901Fax:(937)4155925 ThisdocumentcontainsdataproprietarytoPUIAudioInc.Anyuseorreproduction,inanyform,withoutpriorwrittenpermission ofPUIAudioInc.isprohibited. 2019,PUIAudioInc. Measurement Method (in Anechoic Chamber) Typical Frequency Response (measured at 50cm with 2V input and 94 dB source) Frequency Response Mask (for pass/fail testing) PUIAudio,Inc.,3541StopEightRoad,Dayton,OH45414 Tel:(937)4155901Fax:(937)4155925