MP23ABS1TR

Microphones Overview

The MP23ABS1TR is a high-performance MEMS audio sensor featuring a single-ended analog output and bottom-port configuration. It utilizes a capacitive sensing element with an IC interface, manufactured via specialized silicon micromachining. The device offers a typical acoustic overload point of 130 dBSPL and a signal-to-noise ratio of 64 dB. Sensitivity is specified at -38 dBV ±1 dB at 94 dBSPL and 1 kHz. It operates on a single supply voltage ranging from 1.52 V to 3.6 V, with a maximum current consumption of 150 μA. The component supports extended temperature operation from -40 °C to +85 °C and complies with reflow soldering standards.

Microphones Feature Summary

• Omnidirectional sensitivity with ultra-flat frequency response
• High acoustic overload point for handling loud sound sources
• Ultra-low-power consumption suitable for battery-operated devices
• Enhanced RF immunity for reliable performance in noisy environments

Microphones Applications

• Industrial voice control systems
• Smart home voice assistants
• Wearable audio devices
• IoT environmental monitoring nodes

Microphones Procurement Notes

Verify the specific ordering suffix to ensure the correct tape and reel packaging quantity matches your production requirements. Confirm that the ECOPACK and RoHS compliance status aligns with your regulatory standards. Ensure the bottom-port orientation is compatible with your acoustic enclosure design to maintain specified sensitivity and noise performance levels during integration.

Microphones Selection Notes

Select this component when a single-ended analog output is required for direct connection to standard ADCs without digital interface complexity. The low power profile and wide supply voltage range make it suitable for energy-constrained applications. Consider the bottom-port design for specific acoustic filtering needs and verify that the 130 dBSPL overload point meets the maximum expected sound pressure levels in the target environment.

Microphones Part Context

The MP23ABS1 belongs to STMicroelectronics' MEMS microphone portfolio, designed for compact and low-power audio sensing applications. It complements other MEMS sensors by providing high-fidelity analog audio input. The product line emphasizes ease of integration into IoT and industrial systems, offering robust performance across varying environmental conditions while maintaining small form factor constraints typical of modern embedded audio solutions.

Microphones Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing acoustic designs if considering alternative MEMS microphones from the same manufacturer family.