Electret Condenser Microphone Customer Customer P/O BeStar Model Name BCM9765 Product No. 190500 Issue No. BS/TEM01.001A Issue Date 02/05/20 Approval 1.Technical Terms 2.Appearance 3.Reliability Test BESTAR ELECTRONICS INDUSTRY CO.,LTD TianAn Industry Park4/F,Site B ChangZhou New District Tel:86-519-5103228 Fax:86-519-5131010 E-Mail:wu be-star.com Http:www.be-star.com BeStar 65 43 21 Electret Condenser Microphone H H Model:BCM9765 1.Technical Terms 1.1 Electrical Characteristics Test Condition(Vs=6V RL=1K Ta=20 R.H=55%) G G Item Symbol Condition Minimum Standard Maximum Unit Sensitivity S f=1kHz,Pin=1 bar -64 -62.5 -61 dB(0dB=1V/Pa) Output Impedance Zout f=1KHz 1k Kohm F F Directivity Omnidirectional Current Consumption I 400 uA f=1KHz,Pin=1u bar S/N Ratio S/N(A) 40 dB ( A Curve ) E E Decreasing S f=1KHz,Vs=4.5-1.5V -3 dB 1.2 Typical Frequency Response D D +20 +10 +6 +3 +3 0 0 -3 -4 -7 C C -10 -20 -30 20 50 100 200 500 1k 2k 5k 10k 20k Frequency(Hz) B B DATE DIS. 02/05/20 Page:1 of 3 BCM9765 CHEC. DATE 3rd angle APPR. DATE projection Microphone A A BESTAR ELECTRONICS INDUSTRY CO.,LTD DRG NO TianAn Industry Park 4/F,Site B ChangZhou New District BS/TEM01.001A 6 5 43 21 Bestar Electronics This print and information therein are propreitary to Bestar Electronics Industry Co., Ltd. and shall not be used in whole or in part without its written content Relative Response (dB)