Digital Output Sensor Module MEMS High Precision Omnidirectional Microphone Sensor Module with RoHS Clear Natural Sound INMP441

Digital Output Sensor Module – MEMS High‑Precision Omnidirectional Microphone (INMP441)

Experience crystal‑clear, natural sound capture with the INMP441 digital output sensor module. Designed for engineers, hobbyists, and makers, this RoHS‑compliant MEMS microphone delivers unmatched accuracy and a truly omnidirectional pickup pattern—all in a compact, plug‑and‑play package.

Key Highlights

• 🛡️ RoHS‑Certified – Safe for environmentally conscious projects.
• 🔊 Omnidirectional Pickup – Captures sound uniformly from all directions.
• 📊 High‑Precision Digital Output – I2S interface provides 24‑bit PCM data at up to 2 MSPS.
• 🎧 Clear Natural Sound – Low self‑noise (< 30 dB SPL) and flat frequency response (100 Hz – 10 kHz).
• ⚡️ Low Power Consumption – Ideal for battery‑operated and portable devices.
• 🔧 Easy Integration – 3.5 mm pitch header, compatible with Arduino, Raspberry Pi, ESP32, and other MCU platforms.

Technical Specifications

• Model: INMP441
• Operating Voltage: 1.8 V – 3.6 V
• Supply Current: 0.9 mA (typical)
• Signal‑to‑Noise Ratio (SNR): 65 dB
• Dynamic Range: 96 dB
• Frequency Response: 100 Hz – 10 kHz (±3 dB)
• Digital Interface: I2S (standard PCM)
• Package: 3.5 mm × 2.5 mm × 0.9 mm (LGA)
• Compliance: RoHS, CE

Ideal Applications

• Voice‑activated assistants and smart speakers
• IoT audio monitoring and environmental sound analysis
• Wearable devices and health‑care monitoring
• Robotics and drone audio navigation
• Audio recording for hobbyist projects and prototypes

Why Choose the INMP441 Module?

When precision matters, the INMP441 stands out with its low‑noise performance, true omnidirectional coverage, and hassle‑free digital output. Its RoHS compliance ensures a safe, sustainable solution for both commercial and educational projects. Pair it with any microcontroller that supports I2S, and you’ll have a reliable audio front‑end ready for rapid development.

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