Features

• Up to 4 dual-channel PDM inputs supporting:

− up to 8 single-membrane microphones

− up to 4 dual-membrane microphones

• Embedded recombination for dual-membrane digital microphones

• I²C interface

• 3.3 V single supply operation

• Single serial slave TDM interface

• Supported PCM sample frequency 44.1 kHz and 48 kHz

• VFQFPN package

− SMD-compliant

− ECOPACK®, RoHS and “Green” compliant

Applications

• Microphone array applications

• Beam forming

• Audio zooming

• Speech recognition

• Sound source localization