211 N. First Street Minneapolis, MN. 55401 612-849-6205 www.soberton.com [email protected] Specification of Electret Condenser Microphone [RoHS Compliance] Model No.: EM4015 - BC Date: DEC 24 20 07 APPROVER CHECKER DESIGN Ryan Wei Ryan Wei Sharon Chou APPROVER CHECKER DESIGN GC071212B Page 1 of 7 Contents 1. Electrical characteristics ------------------------------------------------3 2. Typical Frequency Response Curve ----------------------------------------3 3. Measurement Circuit ----------------------------------------------------3 4. Test Setup Drawing ------------------------------------------------------4 5. Appearance And Dimension -------------------------------------------4 6. Drawing --------------------------------------------------------------------4 7. Temperature Conditions ------------------------------------------------5 8. Terminal Mechanical Strength ----------------------------------------5 9. Reliability Test ------------------------------------------------------------5 10. Soldering Condition -------------------------------------------------- 5 11. P/N Explanation -------------------------------------------------------6 12. Packing Table In Detail ----------------------------------------------7 GC071212B Page 2 of 7 Name： Model No.： Scope ： Omnidirectional Back Electret Condenser Microphone EM4015 - BC This specification applies back electret condenser microphone 1、Electrical characteristics No Parameter 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 2. Symbol Condition 0dB=1V/Pa，at 1kHz f=1kHz VCC =2.0V,RL=2.2KΩ at 1kHz S.P.L=1Pa (A-Weighted Curve) VCC=2.0V to1.0V Min. -47 Limits Center Max. -44 -41 2.2 500 Unit dB KΩ µA 58 dB -3 10 110 1.0 dB V dB Typical Frequency Response Curve Frequency Response 3. （Temp=20±2℃Room Humidity= 65 ±5%） Microphone Response Tolerance Window Frequency(Hz) Lower Limit(dB) Upper Limit(dB) 50 100 800 1000 1200 3000 5000 10000 -6 -3 -3 0 -3 -3 -3 -8 +3 +3 +3 0 +3 +8 +8 +8 Measurement Circuit RL=2.2KΩ VS =2.0V C1＝10PF C2＝33PF C=1µF GC071212B Page 3 of 7 4．Test Setup Drawing 5．Appearance And Dimension Unit：mm 6．Drawing 11 Pin 2 10 FET 9 Chip Capacitor 2 10PF +33PF 8 P.C.B 1 FR-4 7 Copper ring SANYO Copper tube 1 6 Housping Chamber 5 Electret Back Gather formaldehyde Copper blank 4 Spacer Mylar 1 3 Polarized Diaphragm Dupont 1 2 Case Copper 1 1 Felt Fabric cloth 1 Name material QTY No. 1 1 Remark GC071212B Page 4 of 7 7. Temperature Conditions Storage Temperature Range -40℃ ~ +75 Operation Temperature Range -20℃ ~ +60 ℃ 8. Terminal Mechanical Strength 9. Reliability Test ℃ Terminal mechanical strength to be no interference in operation after pulled the terminal with 1kg strength for 1 minute. 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 9.2 Dry Heat Frequency1 : 10Hz~55Hz Amplitude : 1.52mm Change of Frequency : 1 octave/min 2 hours in each of 3 axes Cold +70℃ 9.3 Damp Heat -20℃ for 72 hours 90%∼95%RH,+40℃ for 240 hours 9.4 Temperature Cycles -20℃ 25 ℃ 70 (2h) (1h) (2h) (1h) (2h) (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 we use anti-static welding machine which can control soldering temperature automatically. 10.2 Soldering temperature should be controlled under 320℃. 10.3 MIC shall be fixed on the metal block (heat sink), which has high radiation effects , and heat sink shall contact with MIC tightly. 10.4 Soldering time for each terminal shall be 1~2 sec. 10.5 Soldering pinhole shall be avoided. 10.6 MIC may easily be destroyed by the static electricity and the countermeas ure for eliminating the static electricity shall be executed (worktable and human body shall be ground connection). GC071212B Page 5 of 7 10.7 Heat Sink Shape of heat sink Shape of hole at fixed part 11.Factory Name Explanation NAME O B 40 15 5 443 G PAT C01 00 0 EXPLANATION Omni-directional Mic Back Electret D= 4.0mm T=1.5mm PCB version No.5 Dash Sensitivity –44±3dB Test Condition 2.2KΩ Dash Pin=2.0mm Capacitance:10+33PF Dash No Rubber Dash No especial require 2.0V GC071212B Page 6 of 7 12.Packing Table In Detail Packing Packing Introduction chart 12.1 Ｐ/Ｎ： EM4015P-BC 12.2 DIMENSION:(LENGTH*WIDTH *HEIGHT) a) SMALL PACKET 100mm*100mm*7mm b) MID PACKET: 205mm*105mm *50mm c) PAPER CASE: 550mm*230mm*235mm X1 12.3 EQUIPMENT a) ADHENSIVE TAPE MACHINE b) AUTO PACKER 12.4 PACKING INTRODUCTION a) 100PCS/ INHALE PLASTIC BOX b) 1400PCS/MID PACKET c) 28000PCS/PAPER CASE 100PCS 12.5 QUANTITY INTRODUCTION a) 1PC=0.1g b) NET WEIGHT：2.8kg GROSS WEIGHT：5.8kg 12.6 LABEL STIPULATION a) LABELEDEVERY BOXES (SEE THE CHART) b) DIMENSIONSSHOULDBESEEN EASILY. X14 1400PCS X20 28000PCS GC071212B Page 7 of 7