INMP441 is a high-performance omnidirectional MEMS digital microphone module, integrated with MEMS sensor unit and signal conditioning circuit. It adopts I²S/PDM digital output interface, featuring high signal-to-noise ratio, low power consumption and miniaturization, which can be directly connected to microcontrollers, DSP and other processors, and is widely used in various audio collection scenarios.
Type: Omnidirectional MEMS Digital Microphone
Output Interface: I²S/PDM digital interface (24-bit high precision)
Key Performance: SNR 61-69 dBA, Sensitivity -26 dBFS, Frequency Response 60Hz-15kHz
Power Consumption: Operating current as low as 1.4mA, supporting low-power operation
1. Omnidirectional sound pickup, no dead angle in sound capture, flat frequency response, restoring natural and clear human voice;
2. Digital output, strong anti-electromagnetic interference ability, no additional audio codec needed, simplifying circuit design;
3. Low power consumption and miniaturization, suitable for space-constrained scenarios such as portable devices and embedded systems;
4. High compatibility, can be directly connected to mainstream development boards such as ESP32 and Arduino, easy to get started.
Smart speakers, voice assistants, video conferencing equipment, portable recording devices, AIoT terminals, smart wearables, security systems and other audio collection scenarios.
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