CMM-3526AT-38165-TR

Overview

The CMM-3526AT-38165-TR is a surface-mount MEMS microphone manufactured by Same Sky. It features an omnidirectional analog output and operates on a supply voltage of 1.8 V with a current consumption of 150 µA. The device provides a sensitivity of -38 dB and a signal-to-noise ratio of 65 dBA, covering a frequency range from 100 Hz to 10 kHz. Its compact dimensions are 3.5 mm in length, 2.65 mm in width, and 0.98 mm in depth. The component supports top-port acoustic access and functions within a temperature range of -30°C to +85°C.

Feature Summary

• Omnidirectional acoustic port design for consistent sound capture from all directions
• Analog output interface suitable for direct connection to audio processing circuits
• Low power consumption operation optimized for battery-powered portable devices

Applications

• Portable consumer electronics requiring compact audio input solutions
• Voice recognition systems utilizing low-power MEMS sensors
• Mobile communication devices needing high signal-to-noise ratio microphones

Procurement Notes

Verify the specific suffix and revision level against the manufacturer's latest documentation to ensure compatibility with target designs. Confirm that the component status aligns with long-term availability requirements, as this part may be subject to lifecycle changes. Cross-reference the RoHS compliance certificate and material declarations with current regulatory standards before finalizing procurement specifications.

Selection Notes

Select this component when a small form factor and low current draw are critical constraints for the application. The 65 dBA SNR rating makes it suitable for environments where clear voice capture is prioritized over extreme dynamic range. Ensure the PCB layout accommodates the top-port orientation and provides adequate acoustic channels to the sensor diaphragm for optimal performance.

Part Context

This model belongs to the Same Sky MEMS microphone series designed for surface-mount technology integration. It utilizes standard SMD packaging to facilitate automated assembly processes. The product line focuses on providing reliable audio transduction capabilities for modern electronic devices while maintaining strict size and power efficiency standards.

Replacement Considerations

No publicly confirmed substitute part numbers are available for this discontinued component. Designers should consult the manufacturer for end-of-life notifications or recommend alternative models from the current active portfolio that match the required electrical and mechanical specifications.