SPH0645LM4H I2S Digital MEMS Microphone Breakout
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Prices updated: 13 Oct 2026
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About this product
A digital MEMS microphone breakout based on the SPH0645LM4H, with an I2S output and no analog stage. It provides clock, data and left-right (word select) pins for connection to a microcontroller or computer with an I2S peripheral. Suited to audio recording and sound detection.
Specifications
- Interface
- I2S digital
- Analog output
- None
- Frequency range
- 50 Hz to 15 kHz
- Signal pins
- Clock, Data, Left-Right (word select)
- Application
- Audio recording and sound detection
Frequently asked questions
Can I connect it directly to an Arduino Uno?
Not directly. The host needs an I2S peripheral to read the digital audio stream, and the Arduino Uno does not have one.
Which pins connect to the host?
Connect Clock, Data and Left-Right (word select) to the matching I2S clock, data and word-select pins on the host. The host acts as I2S master and drives the clock and word-select lines.
