FEATURES Programmable FastDSP audio processing engine

Up to 768 kHz sample rate Biquad filters, limiters, volume controls, mixing

28-bit SigmaDSP audio processing core Visually programmable using SigmaStudio

Up to 50 MIPS performance Low latency, 24-bit ADCs and DACs 96 dB SNR (signal through PGA and ADC with A-weighted

filter) 105 dB combined SNR (signal through DAC and headphone

with A-weighted filter) Serial port fSYNC frequency from 8 kHz to 768 kHz 5 μs group delay (fS = 768 kHz) analog in to analog out with

FastDSP bypass (zero instructions)

4 single-ended analog inputs, configurable as microphone

or line inputs

8 digital microphone inputs

2 analog differential audio outputs, configurable as either

line output or headphone driver PLL supporting any input clock rate from 30 kHz to 27 MHz Full-duplex, 4-channel ASRCs 2, 16-channel serial audio ports supporting I2S, left justified,

or up to TDM16

8 interpolators and 8 decimators with flexible routing

Power supplies

Analog AVDD at 1.8 V typical

Digital I/O IOVDD at 1.1 V to 1.98 V

Digital DVDD at 0.9 V typical

Low power (11.079 mW for typical stereo ANC settings) I2C and SPI control interfaces, self boot from I2C EEPROM Flexible GPIO 42-ball, 0.35 mm pitch, 2.695 mm × 2.320 mm WLCSP APPLICATIONS

Noise cancelling handsets, headsets, and headphones

Bluetooth ANC handsets, headsets, and headphones Personal navigation devices

Digital still and video cameras Musical instrument effect processors

Multimedia speaker systems Smartphones