Description
Product Overview
Elevate your audio projects with the TENSTAR 2pcs SPH0645 MEMS I2S Output Digital Microphone Module. Designed around the high‑performance SPH0645LM4H MEMS sensor, this breakout board delivers crystal‑clear sound, low noise, and ultra‑compact form factor, making it ideal for embedded systems, IoT devices, and DIY audio solutions.
Key Features
- High‑quality SPH0645LM4H MEMS microphone with I2S digital output
- Wide operating voltage: 1.6 V – 3.6 V (ideal for battery‑powered and low‑power designs)
- Compact 2 × 2 mm footprint – perfect for space‑constrained boards
- Low self‑noise and high signal‑to‑noise ratio for pristine audio capture
- Easy 4‑pin interface (VDD, GND, WS, BCLK, DATA) – plug‑and‑play with microcontrollers
- Robust packaging with 2‑piece kit for redundancy or dual‑channel use
- Compatible with popular MCUs (STM32, ESP32, Raspberry Pi, Arduino, etc.)
Technical Specifications
- Frequency Response: 20 Hz – 20 kHz
- Signal‑to‑Noise Ratio: 73 dB
- Dynamic Range: 67 dB
- Output: I2S digital audio (Word Select, BCLK, DATA)
- Power Supply: 1.6 V to 3.6 V (typ. 3.3 V)
- Dimensions: 2 mm × 2 mm (board footprint)
- Package: 2×2 mm SMT
Applications & Compatibility
Whether you’re building a voice‑controlled smart speaker, an audio recorder, a hands‑free communication module, or a voice‑activated IoT sensor, the TENSTAR MEMS microphone module fits seamlessly. Its I2S interface eliminates the need for analog-to-digital conversion, reducing PCB complexity and improving signal integrity.
Why TENSTAR?
With over a decade of expertise in audio component design, TENSTAR delivers modules that combine precision, reliability, and ease of integration. Each module undergoes rigorous testing to ensure consistent performance, making it a trusted choice for hobbyists, makers, and professional developers alike.
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