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| PRODUCT SPECIFICATION Doc: MD6022ASC-0 This specification applies to the electret condenser microphone outlined within this document. Model Number: I. MD6022ASC-0 Test Condition (Vs= 2.0 V, RL= 2.2 k ohm, Ta=20C, RH=65%) SYMBOL S Zout I S/N (A) S f=1kHz, Pin=1Pa A Curve f=1kHz, Pin=1Pa Vs= 2.0 - 1.5 Electrical Characteristics ITEM TEST CONDITION f=1kHz, Pin=1Pa f=1kHz, Pin=1Pa MINIMUM -45 STANDARD -42 MAXIMUM -39 2.2 UNITS dB 0dB=1V/Pa Sensitivity Impedance Directivity Current Consumption S/N Ratio Sensitivity Reduction Frequency Range Frequency Response k mA dB dB Hz OMNI-DIRECTIONAL 0.5 60 -3 100-10,000 Schematic Diagram of Circuit II. Mechanical Characteristics Less than 6 x 2.2 0.2 g See Drawing in Section IV Dimensions Weight Solderering Heat Shock Terminal Mechanical Strength Absolute Maximum Ratings To be no interferance in operation after soldering temperature exposure at 260C +/-5C for 2 +/- 0.5 seconds. The soldering time must be less than 2 seconds each pad, and soldering pull must be larger than 0.5Kg each pad. Operating Voltage Vs (V) 10 Storage Temperature Operation Temperature Range Range Tope C Tstg C -40C to +85C -25C to +70C Issued Date: 2003/9/1 Version: B PRODUCT SPECIFICATION III. Reliability Tests Doc: MD6022ASC-0 Note: After any of the following tests performed, the sensitivity of the microphone unit shall not deviate more than 3dB from its initial value. The microphone shall maintain its initial operation and appearance. Measurements for tests with thermal requirements are to be done after 2hrs of condistioning at 20C. The microphone to have no interferance in operation after vibrations, 10Hz to 55Hz for 1 minute full amplitude 1.52mm, for 2 hours at three axises. The microphone unit must operate when dropped three times once on each axis from a height of 1m onto a metal plate. High The microphone unit must operate within its sensitivity specifications after subjected to the following conditions: +80C for 96 hrs, and exposed to room temperature for 2 hrs. The microphone unit must operate within its sensitivity specifications after subjected to the following conditions: -40C for 96 hrs, and exposed to room temperature for 2 hrs. Vibration Test Drop Test Temperature Test Low Humidity Test Temperature Cycle Test +70C at 90%RH for 120 hrs After exposure at -40C for 45 minutes, at+20C for 10 minutes, at +85C for 45 minutes, at +20C for 10 minutes, 27 cycles. (The measurement to be done after 2 hrs of conditioning at +20C.) IV. Dimensional Drawing V. Other Better Shielded, RF noise resistant type. The information contained in this literature is based on our experience to date and is believed to be reliable and it is subject to change without notice. It is intended as a guide for use by persons having technical skill at their own discretion and risk. We do not guarantee favorable results or assume any liability in connection with its use. Dimensions contained herein are for reference purposes only. For specific dimensional requirements consult factory. This publication is not to be taken as a license to operate under, or recommendation to infringe any existing patents. This supersedes and voids all previous literature. Issued Date: 2003/9/1 Version: B |
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