ADAU1701

www.DataSheet4U.com Preliminary Technical Data FEATURES 28/56-bit, 50 MHz digital audio processor Stereo ADC: 100 dB SNR and -80 dB THD+N 4-channel DAC: 104 dB SNR and -90 dB THD+N Complete stand-alone operation Self-boot from serial EEPROM Auxiliary ADC with four-input mux for analog control GPIOs for digital controls and outputs Fully programmable with SigmaStudio™ graphical tool 28-bit × 28-bit multiplier with 56-bit accumulator for full double precision processing Clock Oscillator for generating master clock from crystal PLL for generating master clock from 64 × fS, 256 × fS, 384 × fS, or 512 × fS clocks Flexible serial data I/O ports with I2S compatible, leftjustified, right-justified, and TDM modes Sampling rates up to 192 kHz supported On-chip voltage regulator for compatibility with 3.3 V systems 48-lead LQFP plastic package SigmaDSP® 28/56-Bit Audio Processor with 2ADC/4DAC ADAU1701 APPLICATIONS Multimedia speaker systems MP3 player speaker docks Automotive head units Mini-component stereos Digital televisions Studio monitors Speaker crossovers Musical instrument effects processors In-seat sound systems (aircraft/motor coaches) FUNCTIONAL BLOCK DIAGRAM 3.3 V DIGITAL DIGITAL VDD GROUND 3 3 ANALOG ANALOG PLL VDD GROUND MODE 3 3 3 PLL LOOP FILTER CRYSTAL 2 1.8 V REGULATOR PLL CLOCK OSCILLATOR 2-CHANNEL ANALOG INPUT FILTA / ADC_RES STEREO ADC S 28/56-BIT, 50 MHz AUDIO PROCESSOR CORE 40 ms DELAY MEMORY CONTROL INTERFACE AND SELFBOOT 8-CH DIGITAL INPUT 8-BIT...