INMP441 MEMS Microphone - I2S

Overview

Enhance your audio projects with the INMP441 MEMS Microphone, a high-performance, low-power digital microphone with an I2S interface. This compact, surface-mount sensor is ideal for voice recognition, audio recording, and sound localization in embedded systems. With a wide frequency response and high signal-to-noise ratio, the INMP441 delivers crystal-clear audio capture, making it a top choice for makers, engineers, and students across Egypt.

Key Features

• Digital I2S Output: Direct interface with microcontrollers like ESP32, Raspberry Pi Pico, and STM32, eliminating the need for analog-to-digital converters.
• High Sensitivity: -26 dBFS, ensuring accurate sound capture even in quiet environments.
• Wide Frequency Range: 60 Hz to 15 kHz, covering the full human voice spectrum.
• Low Power Consumption: Operates at just 1.4 mA, perfect for battery-powered projects.
• Compact MEMS Design: Small footprint (3.35 x 2.5 x 0.98 mm) fits easily into tight spaces.
• High SNR: 61 dBA signal-to-noise ratio for clear, noise-free audio.

Technical Specifications

• Interface: I2S (Inter-IC Sound)
• Sensitivity: -26 dBFS
• Signal-to-Noise Ratio (SNR): 61 dBA
• Frequency Response: 60 Hz – 15 kHz
• Power Supply: 1.6V – 3.63V DC
• Current Consumption: 1.4 mA (typical)
• Dimensions: 3.35 x 2.5 x 0.98 mm
• Output Format: 24-bit digital
• Operating Temperature: -40°C to +85°C

Applications & Use Cases

• Voice Recognition: Build custom voice-controlled assistants and smart home devices.
• Audio Recording: Capture high-quality audio for IoT and security systems.
• Sound Localization: Create acoustic tracking systems for robotics and automation.
• Noise Monitoring: Implement environmental noise level monitoring stations.
• Educational Projects: Perfect for university labs and maker workshops.

What's Included

• 1x INMP441 MEMS Microphone Module (breakout board with I2S pins)
• Pin headers for easy breadboard connection

Compatibility

• Microcontrollers: ESP32, ESP8266, Raspberry Pi Pico, Arduino (with I2S library), STM32, and other I2S-capable boards.
• Development Platforms: Works with Arduino IDE, PlatformIO, MicroPython, and CircuitPython.

MOKWN Recommendation

For Egyptian makers and engineers looking to add high-quality audio input to their projects, the INMP441 is an excellent choice. Its digital I2S interface simplifies wiring and ensures noise-free signal transfer. Pair it with an ESP32 for a powerful voice-controlled IoT solution. Order now from MOKWN and get free shipping in Cairo and Alexandria!