FEATURES
2 channels of PDM audio inputs from digital microphones
64× decimation ratio of PDM to PCM audio data
24-bit resolution to support high sound pressure level (SPL) microphones
126 dB A-weighted SNR
4 kHz to 96 kHz output sampling rate
Bit clock rates of 64×, 128×, 192×, 256×, 384×, or 512× the output sampling rate
Automatic PDM clock generation
Automatic power-down when BCLK is removed
0.36 mA DVDD operating current at 48 kHz sampling rate and 1.8 V supply
Slave I2S or TDM output interface
Up to TDM-16 supported
Configurable TDM slots
I/O supply voltage from 1.70 V to 3.63 V
DVDD core supply voltage from 1.10 V to 1.98 V
4 μA typical DVDD shutdown current
9-ball, 1.26 mm × 1.26 mm, 0.4 mm pitch WLCSP
Power-on reset
APPLICATIONS
Mobile computing
Portable electronics
Consumer electronics
Professional electronics