Datasheet Analog Devices ADAU1702 — Datenblatt

SigmaDSP 28-/56-Bit Audio Processor
with Two ADCs and Four DACs
ADAU1702 Data Sheet
FEATURES GENERAL DESCRIPTION 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 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 …