The RAK18040 is a stereo analog microphone to I2S module based on the Nuvoton NAU85L40B Audio ADC which extends the WisBlock system with sound sensing capability.

The RAK18040 allows a user to connect two analog microphones into a WisBlock System.

The RAK18040 can be used in applications such as audio sensing, audio recording and more specialized.

Features:

• Analog microphone input to I2S
• Samples rates from 8 kHz to 96 kHz at 24bit resolution
• 92 dB THD+N
• 101 dB(A) signal-to-noise ratio
• I2C control interface
• Size 15mmx 25mm

Documentation:

• RAK18040

Package Includes:

• 1 x RAK18040
  
• 3 x M1.2x4 Screw
• 2 x Mic connector to bare wire