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