MP45DT02TR

Microphones Overview

The MP45DT02TR is a digital PDM MEMS microphone manufactured by STMicroelectronics. It operates within a voltage range of 1.64 V to 3.6 V and consumes 650 µA of supply current. The device features an omnidirectional acoustic port located on the top surface. Its frequency response spans from 100 Hz to 10 kHz, with a sensitivity of -26 dB ±3 dB at 94 dB SPL. The signal-to-noise ratio is specified at 61 dB. The component is housed in a rectangular HLGA package measuring 4.72 mm x 3.76 mm x 1.38 mm.

Microphones Feature Summary

• Digital PDM output interface for direct connection to processors
• Omnidirectional acoustic sensing capability
• Low power consumption design suitable for battery-operated devices

Microphones Applications

• Smart speakers
• Voice assistant systems
• Consumer electronics audio input

Microphones Procurement Notes

Verify component status as the MP45DT02TR is listed as obsolete or end-of-life. Confirm availability through authorized distributors or secondary market sources. Ensure compatibility with existing PCB footprints and reflow profiles. Check for RoHS compliance documentation. Validate lead times and minimum order quantities with suppliers before finalizing procurement plans.

Microphones Selection Notes

Select this component for applications requiring a compact digital microphone with low power usage. Consider the HLGA package size for space-constrained designs. Verify that the host processor supports PDM input interfaces. Evaluate the sensitivity and SNR specifications against acoustic requirements. Ensure operating voltage ranges match the system power rails.

Microphones Part Context

This part belongs to the MP45 series of digital MEMS microphones from STMicroelectronics. These components are designed for high-performance audio capture in portable and stationary electronic devices. The series offers various packaging options and acoustic characteristics to suit different application needs.

Microphones Replacement Considerations

Check for alternative digital MEMS microphones with similar PDM interfaces and comparable package dimensions. Verify electrical parameters such as sensitivity, SNR, and supply voltage. Ensure mechanical fit and mounting compatibility. Consult manufacturer substitution guides for officially recommended replacements.

Microphones FAQ

What is the acoustic port location?

The acoustic port is located on the top side of the component.

What is the output type?

The output type is digital PDM (Pulse Density Modulation).