CMM-3722AT-42117-TR

Overview

The CMM-3722AT-42117-TR is an analog MEMS microphone manufactured by Same Sky. It features a rectangular surface-mount package measuring 3.76mm x 2.24mm with a maximum height of 2.0mm. The device operates on a supply voltage range of 1.6V to 3.6V and draws a typical current of 160µA. It provides omnidirectional sound pickup with a sensitivity of -42dB ±1dB at 94dB SPL. The frequency response spans from 100Hz to 10kHz, supporting audio applications requiring compact form factors.

Feature Summary

• Omnidirectional acoustic port design for uniform sound capture
• Low power consumption suitable for battery-operated devices
• Surface-mount technology for automated PCB assembly

Applications

• Portable consumer electronics
• Voice recognition systems
• Smart home audio devices

Procurement Notes

Verify the specific suffix configuration against the manufacturer's official datasheet to ensure compatibility with required sensitivity and packaging options. Confirm RoHS compliance status and moisture sensitivity level prior to integration into production workflows.

Selection Notes

Select this component when a small footprint and low current draw are critical constraints. Ensure the application environment stays within the specified operating temperature range and supply voltage limits to maintain signal integrity and performance stability.

Part Context

This part belongs to the CMM series of MEMS microphones from Same Sky. It utilizes silicon-based acoustic sensing technology to convert sound pressure into electrical signals. The series is designed for high-volume manufacturing and consistent acoustic performance across diverse electronic assemblies.

Replacement Considerations

Check for direct substitutes within the Same Sky CMM family that share identical pinouts and dimensions. Verify that alternative parts match the required sensitivity tolerance and frequency response characteristics before implementation.