MP33AB01H

Microphones Overview

The MP33AB01H is a compact, low-power analog MEMS microphone manufactured using specialized silicon micromachining. It features an omnidirectional sensitivity pattern and operates on a single supply voltage ranging from 1.5 V to 3.6 V. The device delivers a signal-to-noise ratio of 66 dB and supports an acoustic overload point of 125 dBSPL. Its frequency range spans from 100 Hz to 10 kHz with a sensitivity of -38 dBFV. Designed for surface-mount installation, it includes bottom-port access and is guaranteed to function within an extended temperature range of -30 °C to +100 °C.

Microphones Feature Summary

• Low-profile sensing element utilizing specialized silicon micromachining technology
• Omnidirectional sensitivity with high bandwidth capability
• Package compliant with standard reflow soldering processes
• Extended operational temperature range ensuring reliability in varied environments

Microphones Applications

• Voice recognition systems requiring low power consumption
• Portable electronic devices needing compact audio input solutions
• Consumer electronics utilizing analog MEMS microphone interfaces

Microphones Procurement Notes

Verify component authenticity through official STMicroelectronics channels or authorized distributors. Confirm package integrity and pin alignment prior to assembly. Ensure storage conditions adhere to moisture sensitivity level requirements. Review the latest datasheet for any updates regarding environmental compliance or manufacturing changes. Validate electrical parameters against specific application requirements before finalizing procurement decisions.

Microphones Selection Notes

Select this component when an analog output interface is required rather than digital alternatives. Consider the 66 dB signal-to-noise ratio and 125 dBSPL overload point for appropriate dynamic range needs. Evaluate the 1.5 V to 3.6 V supply range compatibility with target system power rails. Assess the bottom-port design suitability for acoustic coupling in the intended enclosure layout.

Microphones Part Context

This part belongs to the MP33 series of MEMS microphones from STMicroelectronics. It shares the fundamental silicon micromachining architecture with other models in the family but differs in output type and specific performance metrics. The series emphasizes low power consumption and compact form factors suitable for modern portable electronics.

Microphones Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.