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    MEMS microphone (digital/analog) test

    MEMS microphone (digital/analog) test

    MEMS (Micro-Electro-Mechanical System) Microphone is a microphone based on MEMS technology. Simply speaking, a capacitor is integrated on a micro-silicon wafer. It can be manufactured by using surface-mount technology (SMT). It is able to withstand high reflow temperature, easy to integrate with the CMOS process and other audio circuits. It has improved noise cancellation performance and good RF and EMI suppression. CRY6151B Electroacoustic Analyzer supports digital (PDM/I2S) and analog microphone testing, including parameters such as sensitivity, phase, distortion, SNR, and max. SPL. It meets laboratory testing requirements in many aspects. It also supports multi-channel acquisition and analysis, which can be integrated with programming and testing to improve productivity.

    Features
    • Customizable fixture
    • High and stable test efficiency
    • Multi-channel and full automation
    Solution introduction
    MEMS Digital Microphone Test

    MEMS Digital Microphone Test

    • Connecting the MEMS under test to CRY573 Digital-Analogue Converter (DAC)

    • CRY573 Digital-Analogue Converter (DAC)output is connected to CRY6151B LINE IN port

    • CRY6151B outputs audio through the MOUTH1 port to make CRY609 Mouth Simulator sound

    • MEMS microphone captures sound

    • Input into CRY6151B analyzer for analysis

    MEMS Analog Microphone Test

    MEMS Analog Microphone Test

    • Connect the MEMS under test to CRY6151B DUT MIC power supply, LINE IN signal input interface

    • CRY6151B outputs audio through the MOUTH1 port to make CRY609 Mouth Simulator sound

    • MEMS microphone captures sound

    • Input into CRY6151B analyzer for analysis

    Test parameters

    MEMS Microphone Test

    Frequency Response (FR)

    Sensitivity

    Total Harmonic Distortion (THD)

    SNR

    Directivity

    Current
    Max. SPL (AOP)
    Configuration list
    CRY6151B/CRY6151 Electroacoustic Analyzer X1 Standard Details
    CRY609 Mouth Simulator X1 Standard Details
    CRY573 Audio Adapter X1 Standard items for digital silicon microphone test Details
    Test cable X1 Standard Details
    Customized fixture X1 Standard Details
    CRY333 Measurement Microphone X1 *Optional* Details
    CRY507 Preamplifier X1 *Optional* Details
    CRY5611 Sound Level Calibrator X1 *Optional* Details
    PC X1 *Optional* Details
    国产精品三级专区
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