Description

Four ADC, Two DAC, Low Power Codec with Audio DSPs 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