SI85XX20AQFN-KIT

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Sensor Type:	Current Sensor
Moisture Sensitivity Level (MSL):	--
Sensing Range:	20A
Interface:	Analog
Sensitivity:	--
Voltage - Supply:	5V
Embedded:	No
Supplied Contents:	Board(s)
Utilized IC / Part:	Si5313

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Introduction

The SI85XX20AQFN-KIT is an evaluation board specially designed for the group of Silicon Labs\' high-performance digital MEMS microphones. It is used for evaluation and design of acoustic sensing applications for speech recognition, noise suppression, speech enforcement, surveillance, audio recording and other technologies.The SI85XX20AQFN-KIT is the latest sensor evaluation board from Silicon Labs designed to help designers quickly evaluate characteristics and features of the SI85XX20 digital MEMS microphone family of components. Its design is especially suitable for automation and portable audio applications that require a low-cost discrete microphone array solution. The evaluation board offers an easy-to-use interface to quickly configure, test and debug performance of components in various projects.

Application Field

The SI85XX20AQFN-KIT evaluation board includes two types of components: a microphone and a processing core. The microphone is designed to measure sound waves in a variety of environments and the processing core functions as a control system that scales the audio signals to a level that is suitable for analysis, transfer and storage.The application areas of the SI85XX20AQFN-KIT include but are not limited to gaming, virtual reality, voice and motion control, automotive and industrial, consumer audio products, and medical applications. It is an ideal tool for applications that require accurate digital audio detection and amplification in noisy or low-power conditions.

Working Principle

The SI85XX20AQFN-KIT uses Silicon Labs’ high-performance digital MEMS microphone family, SI85XX20. It is a shrink-on-demand microphone array that is powered by a low-noise, CMOS-based logic and integrates a programmable gain amplifier, an offset cancellation loop and an automatic mute circuit. This evaluation board works on the principle of capture and analog-to-digital conversion of audio signals. When microphones capture acoustic energy in the environment, the audio signals received are further amplified by the programmable gain amplifier which then goes through the offset cancellation loop to reduce the out-of-band noise. The digital audio signals are finally processed for further analysis in real-time.The evaluation board is designed with the ability to enable connection to any of the I2S/PCM bus masters. This allows for compatibility with a variety of audio back-end components that can easily be connected to the microphone array for real-time audio analysis and processing.

Conclusion

The SI85XX20AQFN-KIT is an effective and versatile evaluation board for testing and integrating audio recognition into various applications. It is well suited for applications where high-performance is required in low-noise or low-power. The SI85XX20AQFN-KIT is easy to use with its intuitive interface and allows for quick configuration and debugging. Additionally, its low power operation and high accuracy makes it an ideal tool for developers and engineers to find the best solution for their projects.

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