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CMM-3722AT-42116-TR

SKU: CMM-3722AT-42116-TR

Regular price ₹ 90.08
Sale price ₹ 90.08 Regular price
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MEMS Microphone CMM-3722AT-42116-TR by SAME SKY

The SAME SKY CMM-3722AT-42116-TR is a high-performance MEMS microphone designed for precise audio capture in compact applications. Manufactured in China, this sensor offers reliable omnidirectional sound detection with excellent electrical and mechanical characteristics.

  • Part Number: CMM-3722AT-42116-TR
  • Manufacturer: SAME SKY
  • Country of Origin (COO): CN
  • Unit of Measure (UOM): EA
  • ECCN: EAR99
  • Package Type: REEL
  • Datasheet: Download Datasheet

Product Features

  • Analog MEMS microphone with small package dimensions of 3.76 x 2.24 mm
  • Reflow solder compatible for easy manufacturing
  • Omnidirectional directivity for uniform sound pickup
  • RoHS compliant for environmentally friendly applications

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) 1.5 2.0 3.6 V
Current Consumption (IDSS) VDD = 2.0 V 150 250 µA
Frequency Range 100 10,000 Hz
Signal to Noise Ratio (S/N) at 94 dB SPL, 1 kHz (A-weighted) 58 dBA
Total Harmonic Distortion (THD) at 94 dB SPL, 1 kHz 0.1 %
Acoustic Overload Point (AOP) at 10% THD, 1 kHz 128 dB SPL
Output Impedance (Zout) at 1 kHz 300 Ω
PSRR 200 mVp-p sine wave @ 1 kHz, VDD=2.0 V 80 dB
PSR 100 mVp-p square wave @ 217 Hz, VDD=2.0 V -105 dBV(A)

Environmental Conditions

Parameter Conditions/Description Min Typ Max Units
Operating Temperature -40 100 °C
Storage Temperature in Packaging -40 85 °C

Mechanical Specifications

  • Dimensions: 3.76 x 2.24 x 1.10 mm
  • Acoustic port located on the top
  • Surface mount terminals for easy integration
  • Weight: 0.024 g

Mechanical Drawing & PCB Layout

Refer to the product page for detailed mechanical drawings, recommended vacuum nozzle pickup, and PCB footprint.

Solderability & Packaging

  • Reflow soldering temperature: up to 260°C with specific profile
  • Reel size: Ø330 mm, containing approximately 5,700 pcs
  • Storage: -40°C to 85°C, MSL Class 1
  • Recommended storage period: up to 1 year; floor life: 4 weeks

Additional Resources

For more detailed information, please visit the datasheet.

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


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