MP23DB02MMTR

Microphones Overview

The MP23DB02MMTR is an ultra-compact, low-power, omnidirectional digital MEMS microphone manufactured by STMicroelectronics. It integrates a capacitive sensing element with a CMOS IC interface to provide PDM digital output. The device supports optional stereo configuration and features multiple performance modes including power-down, low-power, and normal operation. Key electrical parameters include a sensitivity of -26 dBFS ±1 dB, a typical current consumption of 285 μA in low-power mode and 800 μA in normal mode, and a sleep mode current of 2 μA. It offers a 122 dBSPL acoustic overload point and operates within an extended temperature range of -40°C to +85°C.

Microphones Feature Summary

• Omnidirectional digital MEMS microphone with bottom-port design for improved robustness
• Multiple performance modes enabling always-on experience with minimal power consumption
• EMI-shielded RHLGA package compliant with SMD standards for reliable surface-mount assembly
• Narrow sensitivity tolerance of ±1 dB ensuring consistent audio capture across units

Microphones Applications

• Voice activated smart home devices requiring low standby power
• Smart speakers utilizing beamforming and noise canceling algorithms
• Personal electronics and portable audio peripherals
• Automotive hands-free call and e-Call systems

Microphones Procurement Notes

Verify the specific suffix MMTR against the official datasheet to confirm tape-and-reel packaging and quantity specifications. Ensure the order matches the exact part number variant required for your PCB layout. Confirm RoHS and ECOPACK compliance status if environmental regulations apply to your manufacturing region. Cross-reference the manufacturer's latest documentation for any updates on lead-free soldering recommendations or lifecycle status before finalizing procurement.

Microphones Selection Notes

Select this component when designing systems that require high dynamic range and tight sensitivity matching for multi-microphone arrays. The low-power modes make it suitable for battery-operated applications needing extended autonomy. Consider the bottom-port design for environments where top-port obstruction might occur. Verify that the host processor supports PDM input interfaces for direct connection without additional analog-to-digital conversion stages.

Microphones Part Context

This MEMS microphone belongs to STMicroelectronics' portfolio of digital audio sensors designed for personal electronics, industrial, automotive, and computer applications. The series emphasizes small size, high sound quality, and reliability. These microphones are engineered to support advanced audio processing features such as sound source localization and noise cancellation, making them ideal for voice recognition platforms and communication devices requiring clear audio capture in various acoustic environments.

Microphones Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official replacement guide or contact technical support for validated cross-reference information before substituting this component in existing designs.