Data Sheet
SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs ADAU1702
FEATURES
28-/56-bit, 25 MIPS digit...
Data Sheet
SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs ADAU1702
FEATURES
28-/56-bit, 25 MIPS digital audio processor 2 ADCs: SNR of 100 dB, THD + N of −83 dB 4 DACs: SNR of 104 dB, THD + N of −90 dB Complete standalone operation Self-boot from serial EEPROM Auxiliary ADC with 4-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 a master clock from 64 × fS, 256 × fS,
384 × fS, or 512 × fS clocks Flexible serial data input/output ports with I2S-compatible,
left-justified, right-justified, and TDM modes Sampling rates of up to 192 kHz are supported On-chip
voltage regulator for compatibility with 3.3 V systems 48-lead, plastic LQFP
APPLICATIONS
Multimedia speaker systems MP3 player speaker docks Automotive head units Minicomponent stereos Digital televisions Studio monitors Speaker crossovers Musical instrument effects processors In-seat sound systems (aircraft/motor coaches)
GENERAL DESCRIPTION
The ADAU1702 is a complete single-chip audio system with a 28-/56-bit audio DSP, ADCs, DACs, and microcontroller-like control interfaces. Signal processing includes equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening. This processing can be used to...