Xunster 3862-2718-B1H2 MEMS microphone silicon analog microphone
XST-GM-ML-3862-2718-B1H2
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- Model Number:XST-GM-ML-3862-2718-B1H2
- Type:Microphone
- Place of Origin:China
- Brand Name:Xunster
- Mounting Type:Surface Mount
- Sensitivity:-37dBV/Pa
- Signal to Noise Ratio:63dB(A)
- Output Impedance:300Ω
- Supply Voltage:3.6V
- Current Consumption:130μA
- Dimension:2.75X 1.85X0. 9mm2
- Directivity:Omnidirectional
- Frequency Response:100~10kHz
- Power Supply Rejection:-100dBV (A)
- Power Supply Rejection Ratio:68dB
XST-GM-ML-3862-2718-B1H2 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 | — | 63 | — | dB(A) |
| Output Impedance | Zout | @ 1 kHz | — | — | 300 | Ω |
| Supply Voltage | Vdd | 1.6 | — | 3.6 | V | |
| Current Consumption | Idd | — | 110 | 130 | μA | |
| Dimension | 2.75X 1.85X0. 9 | mm2 | ||||
| Directivity | Omnidirectional | |||||
| Frequency Response | F | 100~10k | Hz | |||
| Power Supply Rejection | PSR | 217Hz, 0. 1Vpp Square on VDD | — | -100 | — | dBV (A) |
| Power Supply Rejection Ratio | PSRR | 200mVpp sinewave @ 1 kHz | — | 68 | — | 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 | — | 129 | — | |||
Comprehensive score