CMM-3729AB-38308-TR

$1.15

Description：MICROPHONE MEMS ANALOG OMNI
Series：CMM
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:0892d41bf5ed Category: Microphones Brand: Same Sky (Formerly CUI Devices)

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Product introduction

Product Detailed Parameters

Description：MICROPHONE MEMS ANALOG OMNI
Series：CMM
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR),Cut Tape (CT)
Type：MEMS (Silicon)
Output Type：Analog
Direction：Omnidirectional
Frequency Range：100 Hz ~ 10 kHz
Sensitivity：-
S/N Ratio：65dB
Impedance：-
Voltage Range：-
Current - Supply：80 µA
Port Location：Bottom
Ratings：-
Termination：Solder Pads
Size / Dimension：0.148" L x 0.116" W (3.76mm x 2.95mm)
Height (Max)：0.047" (1.20mm)
Shape：Rectangular
Grade：-
Qualification：-
Voltage - Rated：2 V

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CMM-3729AB-38308-TR

Overview

The CMM-3729AB-38308-TR is an analog MEMS microphone from the Same Sky CMM series. It features a bottom port and omnidirectional sound pickup. The device operates at a rated voltage of 2 V with a supply current of 80 µA. It delivers a sensitivity range of -42 dB to -38 dB and achieves a signal-to-noise ratio of 65 dBA. The frequency response spans from 100 Hz to 10 kHz. The component measures 3.76 mm in length, 2.95 mm in width, and has a maximum height of 1.20 mm.

Feature Summary

Omnidirectional acoustic design for uniform sound capture
Low power consumption suitable for battery-operated devices
Analog output interface for direct integration

Applications

Voice recognition systems
Consumer audio recording devices
Hands-free communication modules

Procurement Notes

Verify the specific suffix against official documentation to confirm pinout orientation and acoustic port configuration. Ensure compatibility with the target operating voltage and signal processing requirements before finalizing procurement orders.

Selection Notes

Select this model when a low-power analog MEMS microphone with a bottom port is required. The 65 dBA SNR supports high-fidelity voice capture. Verify that the PCB layout accommodates the 3.76 mm by 2.95 mm footprint and the specified height constraints.

Part Context

This component belongs to the Same Sky CMM series of MEMS microphones. The series offers various configurations including different sensitivities, SNRs, and package sizes. This specific part number denotes an analog output variant within the broader product family.