Xunster SMD silicon microphone 3.6V analog digital microphone
XST-GM-SL-4259-3729-T1S1
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- Model Number:XST-GM-SL-4259-3729-T1S1
- Type:Microphone
- Place of Origin:Guangdong, China
- Brand Name:Xunster
- Sensitivity:-41dBV/Pa
- Signal to Noise Ratio:59dB(A)
- Output Impedance:200Ω
- Supply Voltage:3.6V
- Current Consumption:130μA
- Dimension:3.76X 2.95X1.1mm
- Frequency Response:100^10kHz
- Power Supply Rejection:-100dBV (A)
- Power Supply Rejection Ratio:66dB
- Acoustic Overload Point:129dB SPL


XST-GM-ML-4259-3729-T1S1 is high-performance top-port analog silicon microphone that receives the sound signal from the top side hole on lid.Provides a series of packaged MEMS silicon microphones with compact size to achieve high 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 | -43 | -42 | -41 | dBV/Pa |
| Signal to Noise Ratio | SNR | 20Hz to 20KHz, A-weighted | — | 59 | — | dB(A) |
| Output Impedance | Zout | @ 1 kHz | — | — | 200 | Ω |
| Supply Voltage | Vdd | 1.6 | — | 3.6 | V | |
| Current Consumption | Idd | — | 110 | 130 | µA | |
| Dimension | 3.76X 2.95X1.1 | mm | ||||
| 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 | — | 66 | — | dB |
| Total Harmonic Distortion | THD | 94 dB SPL @ 1kHz | — | 0.1 | — | % |
| 114 dB SPL @ 1kHz | — | 0.5 | — | % | ||
| Acoustic Overload Point | AOP | 1% THD @ 1kHz | — | 129 | — | dB SPL |
| 10% THD @ 1kHz | — | 133 | — | dB SPL | ||



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