PDM Microphone Sensor 20-20kHz Knowles SPK0641HT4H-1
RAK18030
Description
The RAK18030 is a mono PDM microphone module based on the Knowles SPK0641HT4H-1 which extends the WisBlock system with sound sensing capability.
The RAK18030 is a digital microphone module that converts analog audio to digital PDM signals. It supports left and right channels through a GPIO signal.
The RAK18030 can be used in applications such as audio sensing, audio recording and voice control.
Features
- PDM microphone
- Flat Frequency Response 20 - 20kHz
- Low Distortion of 2.2% at 115dB SPL
- 5dB(A) signal-to-noise ratio
- Omnidirectional sensitivity
- Size 15mmx 25mm
Package Inclusion
- 1 pc RAK18030
- 3 pc M1.2x4 Screw
Documentation
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