咪头6050 规格书.doc

tie 深圳市青兴电子有限公司 SHEN ZHEN QINGXING ELECTRONIC CO.LCD ECM APPROVAL SHEET 客 户 CUSTOMER 北京国基科技 产品型号 SPECIFICATIONS DT-A6050 外型尺寸 DIMENSIONAL ?6.0×5.0 灵 敏 度 SENSITIVITY -33±3dB (0dB=1V/Pa,at 1KHz) 2.0V 2.2KΩ VENDOR CUSTOMER CHECKED BY ISSUED BY APPROVED BY 李正 朱玲 公司地址： 深圳宝安西乡九围路209号 电话：0755传真：0755 网址： 编号:1408026 TYPE: DT-A6050 ELECTRICAL CHARACTERISTICS TEMP=20±2℃ Room Humidity=65±5% PARAMETER SYMBOL CONDITION LIMITS UNIT Min Center Max Sensitivity S f=1KHZ, S.P.L=1Pa 0dB=1V/Pa -36 -33 -30 dB Output impedance Zout f=1KHZ 2.2 KΩ Current Consumption IDss VS=3.0V RL=2.2KΩ 500 μA Directivity Omnidirectional Signal to Noise Ratio S/N S:(f=1KHz,S.P.L=1Pa) N:(A-Weighted curve) 42 dB Decreasing Voltage ΔS-VS Vs=3.0V to2.5V -3 dB Operating voltage 1.0 10 V Maximum input S.P.L 110 dB 1.2 TYPICAL FREQUENCY RESPONSE CURVE 2. MEASUREMENT CIRCUIT 4.STRUCTURE OF MICROPHONE ITEM PART NAME MATERIAL QTY SUPPLIER 1 P.C.B BAKELITE EPOXY 1 LOCAL 2 CHAMBER POM 1 LOCAL 3 SPACER POLYESTER 1 LOCAL 4 SCREEN NON-FIBRECORD 1 LOCAL 5 DIAPHRAGM FEP AND BRASS 1 U.S.A 6 PLATE BRASS 1 LOCAL 7 CASE ALUMINUM 1 LOCAL 8 FET 2SK596 1 LOCAL REMARK： In order to keep forerunner of the product, our company carry out the layout upgrade and the color Adjustment after the technique renew, no further notice will be given, if have any doubt, please contact our marketing department to consult. The color difference is because of different purchase batch and the product function will not be affected, So it does not regards as acceptance standard. 3. APPEARANCE DIMENSIONS ECM;DT-A6050 Unit:mm 5.MECHANICAL CHARACTERISTICS Soldering Heat Shock To be no interference in operation after soldering Heat shock, temperature 300℃±20℃ for 2±1seconds Terminal Mechanical Strength To be no interference in operation after pulled the terminal with 0.5 kg strength for 3 seconds. 6. RELIABILITY TEST