NAU85L40B NAU85L40B Quad Audio ADC with Integrated FLL and Microphone Preamplifier Description The NAU85L40B is a low power, high quality, 4-channel ADC for microphone array application.
The NAU85L40B integrates programmable gain preamplifiers for quad differential microphones, significantly reducing external component requirements.
A fractional FLL is available to accurately generate any audio sample rate using any commonly available system clock source from 8KHz through 33MHz.
Audio data can be directed to two I2S data out lines or onto a single time division multiplexed (TDM) PCM data output.
The NAU85L40B operates with analog supply voltages from 1.
6V to 2V, while the digital core ca...

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