CMM-4030D-261-I2S-TR

Overview

The CMM-4030D-261-I2S-TR is a digital MEMS microphone manufactured by Same Sky. It features an omnidirectional sound port and operates within a supply voltage range of 1.6 V to 3.6 V. The device delivers a sensitivity of -26 dB and a signal-to-noise ratio of 59 dBA. Its frequency response spans from 100 Hz to 10 kHz, with an operating supply current of 750 uA. The component utilizes a surface-mount package measuring 4 mm in length, 3 mm in width, and 1.25 mm in depth.

Feature Summary

• Digital output via I2S interface for direct integration with processors
• Omnidirectional acoustic design for uniform sound capture
• Capacitive silicon MEMS construction for durability

Applications

• Consumer electronics audio input systems
• Voice recognition modules
• Portable communication devices

Procurement Notes

Verify the specific suffix against the manufacturer datasheet to confirm pinout and electrical characteristics. Ensure compatibility with the target system's I2S protocol configuration. Check moisture sensitivity levels for proper storage and reflow soldering requirements during assembly.

Selection Notes

Select this component when a digital output is required to reduce noise susceptibility in noisy environments. The low profile and small footprint make it suitable for space-constrained portable designs. Verify that the operating voltage range aligns with the host processor's logic levels.

Part Context

This part belongs to the CMM series of MEMS microphones from Same Sky. The series offers various output types including PDM and I2S. This specific model provides a balanced solution for applications requiring digital connectivity and moderate power consumption.

FAQ

What is the acoustic port orientation?

The microphone features a top port design.

Is the device moisture sensitive?

Yes, the component is classified as moisture sensitive.