CMM-3722AT-42116-TR

$1.16

Description：MIC MEMS ANALOG OMNI -42DB
Series：CMM
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)

SKU:3b83aacc8523 Category: Microphones Brand: Same Sky (Formerly CUI Devices)

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Product introduction

Product Detailed Parameters

Description：MIC MEMS ANALOG OMNI -42DB
Series：CMM
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)
Type：MEMS (Silicon)
Output Type：Analog
Direction：Omnidirectional
Frequency Range：100 Hz ~ 10 kHz
Sensitivity：-42dB ±1dB @ 94dB SPL
S/N Ratio：57dB
Impedance：-
Voltage Range：1.6 V ~ 3.6 V
Current - Supply：160 µA
Port Location：Top
Ratings：-
Termination：Solder Pads
Size / Dimension：0.148" L x 0.088" W (3.76mm x 2.24mm)
Height (Max)：0.047" (1.20mm)
Shape：Rectangular
Grade：-
Qualification：-
Voltage - Rated：2 V

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CMM-3722AT-42116-TR

Overview

The CMM-3722AT-42116-TR is an analog MEMS microphone manufactured by Same Sky. It features a rectangular surface-mount package measuring 3.76 mm in length, 2.24 mm in width, and 1.20 mm in maximum height. The device operates within a voltage range of 1.6 V to 3.6 V with a supply current of 160 µA. It provides omnidirectional acoustic pickup with a sensitivity of -42 dB ±1 dB at 94 dB SPL and a signal-to-noise ratio of 57 dB. The frequency response spans from 100 Hz to 10 kHz, utilizing top-port acoustics and solder pad termination.

Feature Summary

Omnidirectional acoustic sensing capability for uniform sound capture
Low power consumption suitable for battery-operated portable devices
Surface-mount design with top-port configuration for flexible PCB placement

Applications

Voice recognition systems requiring low-power audio input
Portable consumer electronics such as smartphones and tablets
Smart home voice control interfaces

Procurement Notes

Verify the specific suffix '42116' corresponds to the required sensitivity tolerance and packaging format. Confirm that the top-port orientation aligns with the acoustic path requirements of the target enclosure. Ensure compatibility with standard reflow soldering profiles for small outline packages.

Selection Notes

Select this component when a compact form factor is prioritized alongside moderate sensitivity requirements. The top-port architecture allows for easier integration into tight spaces where side-port clearance is limited. Compare against bottom-port variants if acoustic shielding or specific mounting constraints dictate alternative port orientations.

Part Context

This part belongs to the Same Sky CMM series of MEMS microphones. The series offers various sensitivity levels and package sizes to accommodate different audio performance needs. The CMM-3722 variant specifically denotes the 3.76 mm x 2.24 mm footprint dimensions within this product family.