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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | INMP441 Digital MEMS Microphone |
| Microphone Type | Omnidirectional (bottom port MEMS mic) |
| Function | Captures ambient sound from all directions and converts it to digital audio |
| Interface Type | I2S digital audio interface |
| Output Resolution | 24-bit high precision digital audio |
| Operating Voltage | 1.8 V – 3.3 V |
| Current Consumption | ~1.4 mA (low power operation) |
| Sensitivity | -26 dBFS |
| Signal-to-Noise Ratio | 61 dBA |
| Frequency Response | 60 Hz – 15 kHz |
| Power Supply Rejection | -75 dBFS |
| Key Features | Built-in ADC, anti-aliasing filter, signal conditioning, no external audio codec required |
| Directionality | Omnidirectional (picks sound equally from all directions) |
| Audio Quality | High-definition natural sound capture |
| Interface Pins | SCK, WS, SD, L/R, VCC, GND |
| L/R Selection | Low = Left channel, High = Right channel |
| Applications | Voice assistants, smart devices, ESP32 audio projects, speech recognition, IoT audio capture |
| Advantage | Direct digital output (I2S), high clarity, low noise, simple integration |
Package Includes:
1 x INMP441 Omnidirectional Microphone Module
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