FEATURES

8 channels of PDM audio inputs from digital microphones

16×, 32×, or 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 192 kHz output sampling rate

Bit clock rates of 64×, 128×, 192×, 256×, 384×, or 512× the

output sampling rate

Dual output PDM clocks

Automatic PDM clock generation

Automatic power-down when BCLK removed

Selectable I2C control or hardware mode operation

1.2 mA DVDD operating current for 8 channels at 48 kHz

frequency sampling rate and 1.8 V supply

Slave I2S or TDM output interface

Up to TDM-16 supported

Configurable TDM slot routing and sizes

I/O supply voltage from 1.70 V to 3.63 V

DVDD supply voltage from 1.10 V to 1.98 V

<5 μA typical DVDD shutdown current

16-lead, 3 mm × 3 mm, 0.50 mm pitch LFCSP

Power-on reset

APPLICATIONS

Microphone arrays

Mobile computing

Portable electronics

Consumer electronics

Professional electronics