Specification of Electret Condenser Microphone EM6027P Model No.: AUG 17 2006 Date: APPROVER CHECKER DESIGN GUOFENG HU RENWEI YINGBO XIA APPROVER CHECKER DESIGN 211 N. First Street Minneapolis, MN. 55401 612-849-6205 [email protected] 50 100 800 1000 1200 3000 5000 1 OF 5 PAGES Name ： Model No.： Scope Omnidirectional Back Electret Condenser Microphone EM6027P ： This specification applies back electret condenser microphone 1、Electrical characteristics （Temp=20±2℃Room Humidity=65±5%） No Parameter Symbol 1.1 1.2 1.3 Sensitivity Output impedance Current Consumption S Z out IDSS 1.4 Signal to Noise Ratio S/N 1.5 1.6 1.7 Decreasing Voltage Operating Voltage Maximum input S.P.L ΔS-VS Condition Min. 0dB=1V/Pa，at 1kHz f=1kHz VCC =2.0V,RL=2.2KΩ at 1kHz S.P.L=1Pa (A-Weighted Curve) VCC=1.0V to2.0V -47 Limits Center Max. -44 -41 2.2 500 Unit dB KΩ µA 58 dB -3 10 110 1.0 dB V dB 2. Typical Frequency Response Curve Frequency Response Microphone Response Tolerance Window Frequency(Hz) Lower Limit(dB) Upper Limit(dB) 10000 -8 +8 3. Measurement Circuit RL=2.2KΩ VS =2.0V C1＝10PF C2＝33PF C=1µF -6 -3 -3 0 +3 +3 +3 +8 0 2 OF 5 PAGES 4．Test Setup Drawing 5．Appearance And Dimension Unit：mm 6．Drawing 11 PIN Copper 10 FET 1 2SK3857/202 9 CHIP CAPACITOR 2 10 PF +33PF 8 P.C.B 1 FR-4 7 Copper ring Copper tube 2 1 6 HOUSPING CHAMBER 5 ELECTRET BACK Gather formaldehyde Copper blank 4 SPACER Mylar 1 3 POLARIZED DIAPHRAGM DUPONT 1 2 CASE AL 1 1 FELT Fabric cloth 1 Name material QTY No. 1 1 Remark 3 OF 5 PAGES 7. Temperature Conditions Storage Temperature Range -40℃ 8. ~ Operation Temperature Range +75℃ -40℃ ~ +75℃ Terminal Mechanical Strength Terminal mechanical strength to be no interference in operation after pulled the terminal with 1kg strength for 1 minute. 9. Reliability Test After any following tests, the sensitivity of the microphone to be within ±3dB of initial sensitivity after 3hours of conditioning at 20℃. 9-1 Vibration Frequency1 : Amplitude : : Change of Frequency 2 hours in each of 3 axes 10Hz~55Hz 1.52mm 1 octave/min 9-2 Dry Heat／Cold +70℃／-20℃ for 72 hours 9-3 Damp Heat 90%～95%RH,+40℃ for 240 hours 9-4 Temperature Cycles -20℃ (2h) (1h) (2h) 25℃ (1h) (2h) 70℃ (2h) × -20℃ 10 cycles 9-5 Packing Drop Test Height：1m Procedure: 5 times from each of 3 axis’s 10. Soldering Condition 10-1 The soldering copper of a small type of 13～20W shall be applied. 10-2 The temperature of the working surface of the soldering copper shall be below 320℃. 10-3 ECM shall be soldered fixed on the metal block (heat sink), which has the higher radiation effects said heat sink shall contact with of ECM. 10-4 The soldering time for each terminal shall be 1~2 sec. 10-5 The pinhole after soldering shall be avoided. 10-6 ECM may easily destroyed by the static electricity and the countermeasure for eliminating the static electricity (the ground for soldering copper, for worktable and for human body) shall be executed. 4 OF 5 PAGES 10-7 Heat Sink Shape of heat sink Shape of hole at fixed part 11. Name Explanation EXPLANATION Omni-direction Mic Back Electret Meet The Standards Of Rohs D=6.0mm T=2.7mm Pcb version No.2 Dash Sensitivity –44±3dB Test Condition 2.2KΩ／2.0V Dash Pin＝2.8mm Dash Capacitance:10+33PF Dash No additional parts. Dash No especial require 5 OF 5 PAGES 12.Packing Table In Detail Packing Introduction Packing chart 一. Ｐ/Ｎ： EM6027P 二. DIMENSION:(LENGTH*WIDTH *HEIGHT) a) b) c) SMALL PACKET 100mm*100mm*5mm MID PACKET: 205mm*105mm*50mm PAPER CASE: 550mm*230mm*235mm 三. EQUIPMENT a) ADHENSIVE TAPE MACHINE b) AUTO PACKER X1 四. PACKING INTRODUCTION a) 100PCS/ INHALE PLASTIC BOX b) 1400PCS/MID PACKET c) 28000PCS/PAPER CASE 五. QUANTITY INTRODUCTION a) 1PC=0.2g b) NET WEIGHT PAPER CASE：5.6kg GROSS WEIGHT：7.6kg 六、 LABEL STIPULATION a. LABELEDEVERY BOXES (SEE THE CHART) b. DIMENSIONS SHOULD BE SEEN EASILY 100PCS X14 1400PCS X20 28000PCS