Simulated MEMS Microphone BL-GM-ML-3865-3729-T1S1 TOP-port analog silicon microphone surface mount MEMS
- Model Number:BL-GM-ML-3865-3729-T1S1
- Type:Microphone
- Place of Origin:Guangdong, China
- Brand Name:GBeeLee
- D/C:contact us
- Material:Aluminum
- Color:gold
- Packaging:contact us
- Input Type:DC
- Voltage - Rated:1.6~3.6V
- Voltage Range:-0.3V~5V
- Frequency:100~10k
- Technology:Not Applicable
- Operating Mode:contact us
- Duration:contact us
- Current - Supply:65 dBV (A)
- Operating Temperature:-40°C ~ 85°C
- Mounting Type:Surface Mount
- Termination:Quick Connect
- Size / Dimension:3.76*2.95*1.1mm
- Height - Seated (Max):1.1
- Voltage - Input (Max):Not Applicable
- Impedance:200Ω
- Capacitance @ Frequency:contact us
- Output Type:Digital
- Frequency Range:100~10k
- Height (Max):1.1mm
- Frequency - Self Resonant:94 dB SPL @ 1kHz
- Efficiency - Type:Sensitivity
- Power - Rated:-39~-37 dBV/Pa
- Power - Max:contact us
- Rated Voltage:3.6V
- Cross Reference:contact us
- Sensitivity:-39~-37 dBV/Pa
- Signal to Noise Ratio:65 dB(A)
- Output Impedance:200Ω
- Supply Voltage:1.6~3.6V
- Directivity:Omnidirectional


BL-GM-ML-3865-3729-T1S1 is high-performance top-port analog silicon microphone that receives the sound signal from the hole on top 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 | — | 65 | — | dB(A) |
| Output Impedance | Zout | @ 1 kHz | — | — | 200 | Ω |
| Supply Voltage | Vdd | 1.6 | — | 3.6 | V | |
| Current Consumption | Idd | — | 95 | 110 | 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 | — | 68 | — | dB |
| Total Harmonic Distortion | THD | 94 dB SPL @ 1kHz | — | 0.1 | — | % |
| 114 dB SPL @ 1kHz | — | 0.5 | — | % | ||
| Acoustic Overload Point | AOP | 10% THD @ 1kHz | — | 128 | — | dB SPL |










1.Q:Can I get sample from you?
A:Yes,we can provide the free samples for your testing,please contact us for free and tell us which product you need.
2.Q:Do you accept customization?
A:Yes,customization is acceptable,please contact our sales staffs for consult.
3.Q:Can you provide help for technical issues?
A:Yes,we have more than 15 years of research and development in the electronic switch industry. If you need technical help in the purchase process, please feel free to contact us
4.Q:How many types of switches do you have,and what about your quality?
A:We have 10 different types of switches for your choice,all our products is passed the ROHS and REACH,please trust we definitely could meet your quality stander.
Comprehensive score