C-1 активный звуковой модуль Black Board KY-012
US $0.20-$0.36
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XST-GM-ML-3862-2718-B1P2 is miniature, an analog bottom-port silicon microphone that receives the sound signal from the backside hole on PCB.Provides a series of packaged MEMS silicon microphones with compact size to achieve good performance such as high SNR, high sensitivity, excellent reliability and broad frequency response.
Parameter | Symbol | Condition | Min. | Typ. | Max | Unit |
Sensitivity | Sens | 94dB SPL @ 1kHz | -39 | -38 | -37 | dBV/Pa |
Signal to Noise Ratio | SNR | 20Hz to 20KHz, A-weighted | — | 61 | — | dB(A) |
Output Impedance | Zout | @ 1 kHz | — | — | 300 | Ω |
Supply Voltage | Vdd | 1.6 | — | 3.6 | V | |
Current Consumption | Idd | — | 125 | 160 | μA | |
Dimension | 2.75X 1.85X0. 9 | mm | ||||
Directivity | Omnidirectional | |||||
Frequency Response | F | 100~160k | Hz | |||
Power Supply Rejection | PSR | 217Hz, 0. 1Vpp Square on VDD | — | -99 | — | dBV (A) |
Power Supply Rejection Ratio | PSRR | 200mVpp sinewave @ 1 kHz | — | 65 | — | dB |
Total Harmonic Distortion | THD | 94 dB SPL @ 1kHz | — | 0.1 | — | % |
114 dB SPL @ 1kHz | — | 0.5 | — | % | ||
Acoustic Overload Point | AOP | 1% THD @ 1kHz | 125 | dB SPL | ||
10% THD @ 1kHz | — | 128 | — |