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CMM-3729AT-42108-TR

SKU: CMM-3729AT-42108-TR

Regular price ₹ 109.49
Sale price ₹ 109.49 Regular price
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MEMS Microphone CMM-3729AT-42108-TR by SAME SKY

The CMM-3729AT-42108-TR is a high-performance MEMS microphone designed for consumer electronic applications. Manufactured by SAME SKY in China, this compact and reliable microphone offers excellent audio capture capabilities with a small form factor suitable for space-constrained devices.

Part Number: CMM-3729AT-42108-TR

Manufacturer: SAME SKY

Country of Origin: CN

Unit of Measure (UOM): EA

ECCN: EAR99

Package Type: REEL

Datasheet: Download Datasheet

Product Features

  • Analog output for high-fidelity audio capture
  • Small package dimensions: 3.76 x 2.95 x 1.10 mm
  • Surface mount design compatible with reflow soldering
  • Omnidirectional sensitivity for uniform sound pickup
  • RoHS compliant for environmentally friendly manufacturing

Electrical Specifications

Parameter Conditions/Description Min Typ Max Units
Directivity Omnidirectional
Sensitivity (S) at 94 dB SPL, 1 kHz -43 -42 -41 dB
Supply Voltage (VDD) 1.6 2.0 3.6 V
Current Consumption (IDSS) VDD = 2.0 V 80 µA
Sensitivity Reduction VDD = 3.6 ~ 1.6 V -0.5 dB
Frequency Range 100 10,000 Hz
Signal-to-Noise Ratio (S/N) at 94 dB SPL, 1 kHz (A-weighted) 60 dBA
Total Harmonic Distortion (THD) at 94 dB SPL, 1 kHz 0.2 %
Acoustic Overload Point (AOP) at 10% THD, 1 kHz 130 dB SPL
Output Impedance (Zout) at 1 kHz 300 Ω

Environmental Conditions

Parameter Conditions/Description Min Typ Max Units
Operating Temperature -40 105 °C
Storage Temperature in Packaging -40 85 °C

Mechanical Specifications

Parameter Conditions/Description Min Typ Max Units
Dimensions 3.76 x 2.95 x 1.10 mm
Weight 0.024 g

Additional Details

  • Acoustic port located on the top surface
  • Recommended PCB layout and vacuum nozzle pickup available
  • Reflow solder compatible with a maximum profile of 260°C
  • Not suitable for wash process or more than 5 reflow cycles
  • Reel packaging contains 1,000 pcs, with storage recommendations for up to 1 year

For more detailed information, please refer to the full datasheet.

Note: The datasheet was not processed; please search the internet for the part number for more details.


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