DFRobot I2S Microphone Module - Digital MEMS Microphone w/ I2S Output
The DFRobot I2S Microphone Module is a high-performance digital MEMS microphone providing direct I2S digital audio output, compatible with 3.3V microcontrollers like ESP32, Raspberry Pi Pico, and STM32. It delivers high-fidelity audio capture with a wide dynamic range up to 140 dB SPL for voice recognition, audio recording, and embedded sound processing applications.
Features
- Direct Digital I2S Output eliminates external ADC noise and interference.
- High Sound Pressure Level (SPL) of 140 dB for robust audio capture.
- Low Power Operation at 3.3V ±0.2V with current consumption >1mA.
- Wide Operating Temperature Range from -30°C to 85°C for reliable performance.
- Compact PCB Design (15.2mm x 9.17mm) for space-constrained embedded projects.
Out of stock
The DFRobot I2S Microphone Module integrates a high-sensitivity MSM261S4030H0 MEMS microphone element that converts acoustic pressure waves directly into a digital pulse-density modulated (PDM) signal, which is then output as standard I2S serial data. This architecture bypasses the need for an external analog-to-digital converter (ADC), significantly improving signal integrity and reducing susceptibility to electromagnetic interference (EMI) common in mixed-signal environments.
Engineered for stability, the module features an omnidirectional polar pattern and maintains consistent sensitivity across a broad frequency spectrum. Its robust construction ensures reliable operation in demanding conditions, from industrial monitoring to consumer electronics. The digital interface simplifies integration with modern microcontrollers that support I2S peripherals, providing a clean, clock-synchronized audio stream for real-time processing.
Additional Information
| Weight | 0.03 kg |
|---|---|
| Dimensions | 1.52 × 0.917 cm |
