CMM-4030DB-26154-TR

$1.47

Description：MIC MEMS DIGITAL PDM OMNI -26DB
Series：CMM
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:11e0a5c809cb Category: Microphones Brand: Same Sky (Formerly CUI Devices)

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Product introduction

Product Detailed Parameters

Description：MIC MEMS DIGITAL PDM OMNI -26DB
Series：CMM
Mfr：Same Sky (Formerly CUI Devices)
Package：Tape & Reel (TR),Cut Tape (CT)
Type：MEMS (Silicon)
Output Type：Digital, PDM
Direction：Omnidirectional
Frequency Range：100 Hz ~ 10 kHz
Sensitivity：-26dB ±1dB @ 94dB SPL
S/N Ratio：64dB
Impedance：-
Voltage Range：1.6 V ~ 3.6 V
Current - Supply：540 µA
Port Location：Bottom
Ratings：-
Termination：Solder Pads
Size / Dimension：0.157" L x 0.118" W (4.00mm x 3.00mm)
Height (Max)：0.047" (1.20mm)
Shape：Rectangular
Grade：-
Qualification：-
Voltage - Rated：2 V

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CMM-4030DB-26154-TR

Overview

The CMM-4030DB-26154-TR is a digital MEMS microphone manufactured by Same Sky. It features an omnidirectional acoustic port and outputs PDM data via a single pin. The device operates within a voltage range of 1.6 V to 3.6 V with a supply current of 860 µA. Key electrical parameters include a sensitivity of -26 dB ±3 dB at 94 dB SPL, a signal-to-noise ratio of 58 dBA, and a frequency response spanning 100 Hz to 10 kHz. The component measures 4.0 mm in length, 3.0 mm in width, and 1.1 mm in height.

Feature Summary

Digital PDM output interface for simplified system integration
Omnidirectional acoustic sensing capability
Low power consumption design suitable for battery-operated devices

Applications

Voice recognition systems
Smart home audio assistants
Mobile communication devices

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm exact sensitivity and packaging specifications. Ensure compatibility with host controller PDM interfaces regarding clock rates and data alignment before finalizing procurement orders.

Selection Notes

Select this component when a digital output is required to reduce analog noise susceptibility. The low operating voltage and small footprint make it appropriate for space-constrained portable electronics requiring high-fidelity voice capture.

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 acoustic environments and board layout requirements across consumer and industrial audio applications.

Replacement Considerations

Consult official substitution guides for electrically compatible alternatives. Verify that any replacement maintains identical PDM signaling protocols and physical dimensions for direct board compatibility.