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 DAC

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

2 single-ended analog inputs, configurable as microphone or line inputs

4 digital microphone inputs

1 analog differential audio output, 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

16-channel serial audio port 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 (8.030 mW for typical power consumption)

I2C and SPI control interfaces

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