FEATURES
► Programmable FastDSP audio processing engine
► Up to 768 kHz sample rate
► Biquad filters, limiters, volume controls, mixing
► Low latency, 24-bit ADCs and DAC
► 106 dB SNR (signal through ADC with A-weighted filter)
► 110 dB combined SNR (signal through DAC and headphone
with A-weighted filter)
► Serial port sample rates from 8 kHz to 768 kHz
► 5 μs analog-to-analog group delay
► Programmable, double precision MAC engine for 13-stage
equalizer
► 3 analog inputs (2 differential and 1 single-ended), configurable
as microphone or line inputs
► Analog differential audio output, configurable as either line output
or headphone driver
► PLL supporting any input clock rate from 30 kHz to 27 MHz
► Internal RC oscillator supporting autocalibration
► 1-channel ASRCI, 3-channel ASRCO
► Serial audio ports supporting I2S, left justified, or up to 16-channel
TDM (TDM16)
► 2 interpolators and 4 decimators with flexible routing
► Power supplies
► Analog AVDD at 1.8 V
► Digital I/O IOVDD at 1.8 V to 3.3 V
► Headphone HPVDD at 1.8 V
► Headphone HPVDD_L at 1.2 V to1.8 V
► Control/communication interfaces
► I2C, SPI, or UART
► 28-ball, 0.4 mm pitch, 2.957 mm × 1.757 mm WLCSP
APPLICATIONS
► Noise canceling handsets, headsets, and headphones
► Bluetooth active noise canceling (ANC) handsets, headsets, and
headphones
► Personal navigation devices
► Digital still and video cameras
► Musical instrument effect processors
► Multimedia speaker systems
► Smartphones