STEVAL-MKI172V1 - Compact MEMS Microphone Evaluation Board

The STEVAL-MKI172V1 from STMicroelectronics is a sophisticated evaluation board designed for testing the performance of MEMS microphones. This compact board is part of ST's portfolio of evaluation tools that facilitate the integration and analysis of its sensors in various applications.

Featuring the MP34DT05-A, an ultra-compact, low-power, omnidirectional, digital MEMS microphone, the STEVAL-MKI172V1 is capable of providing high-quality audio capture, making it ideal for a range of acoustic applications. The microphone boasts an acoustic overload point of 120 dBSPL, a 64 dB signal-to-noise ratio, and a flat frequency response ranging from 20 Hz to 20 kHz, ensuring accurate audio reproduction for voice recognition and high-fidelity audio applications.

The evaluation board connects to a host system via an LGA (Land Grid Array) surface-mount package, which ensures a secure and reliable mechanical and electrical connection. The compact form factor of the STEVAL-MKI172V1 makes it suitable for use in space-constrained applications such as smart speakers, smartphones, tablets, and wearable devices.

Developers can utilize the STEVAL-MKI172V1 to quickly assess the MP34DT05-A microphone's features and performance. The board is designed with simplicity in mind, requiring minimal external components to operate, which accelerates the prototyping and development process. Additionally, it is compatible with ST's audio processor evaluation boards, allowing for seamless integration into larger test setups.

Key features of the STEVAL-MKI172V1 include:

• Integrated MP34DT05-A digital MEMS microphone
• Omnidirectional sensitivity
• 120 dBSPL acoustic overload point
• 64 dB signal-to-noise ratio
• Flat frequency response from 20 Hz to 20 kHz
• LGA surface-mount package for easy integration
• Compact size for use in various applications

This evaluation board is an essential tool for designers and engineers looking to incorporate high-quality audio capture capabilities into their products. The STEVAL-MKI172V1 provides a straightforward platform for testing the MP34DT05-A MEMS microphone, ensuring that audio performance meets the stringent requirements of modern electronic devices.