CMM-3125AT-42316-TR

Overview

The CMM-3125AT-42316-TR is an omnidirectional analog MEMS microphone manufactured by Same Sky. It operates within a voltage range of 1.6 V to 3.6 V with a rated supply of 2 V and consumes 160 µA of current. The device features a sensitivity of -42 dB ±3 dB at 94 dB SPL and achieves a signal-to-noise ratio of 57 dB. Its frequency response spans from 100 Hz to 10 kHz. The component utilizes solder pad termination and measures 3.10 mm x 2.50 mm x 1.20 mm.

Feature Summary

• Omnidirectional acoustic porting for uniform sound capture
• Silicon-based MEMS construction for durability
• Low power consumption suitable for battery devices

Applications

• Consumer electronics audio input
• Wearable technology microphones
• IoT sensor modules

Procurement Notes

Verify the manufacturer designation as Same Sky, formerly CUI Devices, to ensure correct sourcing. Confirm the suffix TR indicates tape and reel packaging for automated assembly. Check RoHS3 compliance status for environmental regulations. Validate the active part status before procurement planning.

Selection Notes

Select this model when a compact form factor is required alongside standard analog output. The 100 Hz lower frequency limit may not suit applications requiring deep bass capture. Ensure the system voltage aligns with the 1.6 V to 3.6 V operational range. Consider the top port location for mechanical integration constraints.

Part Context

This component belongs to the CMM series of MEMS microphones from Same Sky. It represents a silicon-based solution designed for general-purpose audio sensing. The product line emphasizes small footprints and low current draw for portable applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.