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