The WM7120AIMSE/RV is a high-performance silicon microphone from Cirrus Logic, designed for capturing clear and accurate audio in a variety of applications. This microphone utilizes Micro-Electro-Mechanical Systems (MEMS) technology to achieve a small form factor and excellent acoustic performance. It is particularly well-suited for devices where high-quality sound recording is paramount.

Applications:

• Mobile phones
• Tablets
• Laptops
• Bluetooth headsets
• Digital voice recorders

Features:

• High Signal-to-Noise Ratio (SNR) for crystal-clear audio capture
• Low Total Harmonic Distortion (THD) ensuring high signal fidelity
• Compact MEMS microphone design
• Omnidirectional polar pattern, capturing sound evenly from all directions
• Low power consumption, maximizing battery life in portable devices
• RoHS compliant, meeting environmental safety standards
• Digital output for seamless integration with digital signal processors

Benefits:

• Improved voice recognition accuracy due to the high SNR
• Superior audio quality for recordings and communications
• Reduced background noise for clearer sound capture
• Extended battery life in portable devices thanks to low power consumption
• Smaller device footprint due to the compact MEMS design
• Reliable performance in diverse environmental conditions

Technical Specifications:

The WM7120AIMSE/RV features a high SNR, typically around 65 dB, ensuring clear audio even in noisy environments. The THD is kept to a minimum, generally below 1%, which maintains the integrity of the captured sound. The microphone operates on a low supply voltage, usually between 1.8V and 3.3V, making it ideal for battery-powered devices. Its omnidirectional polar pattern guarantees consistent sound capture from all directions. The device is housed in a small, surface-mount package, facilitating easy incorporation into compact electronic devices. It employs a digital interface for straightforward connectivity with digital audio processing systems.

Cirrus Logic's WM7120AIMSE/RV is a dependable and efficient microphone solution tailored for applications requiring high-quality audio capture in a compact form. Its combination of low power consumption, high SNR, and omnidirectional sensitivity makes it an excellent choice for modern portable devices and audio recording equipment.