深圳市中立信电子科技有限公司

ADAU1442YSVZ-3A

音频 DSP DAP w/ Flexible Routing Matrix

SigmaDSP Digital Audio Processor  with Flexible Audio Routing Matrix

FEATURES ADAU1442YSVZ-3A

Fully programmable audio digital signal processor (DSP) for

enhanced sound processing

Features SigmaStudio, a proprietary graphical programming

tool for the development of custom signal flows

172 MHz SigmaDSP core; 3584 instructions per sample at 48 kHz

4k parameter RAM, 8k data RAM

Flexible audio routing matrix (FARM)

24-channel digital input and output

Up to 8 stereo asynchronous sample rate converters

(from 1:8 up to 7.75:1 ratio and 139 dB DNR)

Stereo S/PDIF input and output

Supports serial and TDM I/O, up to fS = 192 kHz

Multichannel byte-addressable TDM serial port

Pool of 170 ms digital audio delay (at 48 kHz)

Clock oscillator for generating master clock from crystal

PLL for generating core clock from common audio clocks

I2C and SPI control interfaces ADAU1442YSVZ-3A

Standalone operation

Self-boot from serial EEPROM

4-channel, 10-bit auxiliary control ADC

Multipurpose pins for digital controls and outputs

Easy implementation of available third-party algorithms

On-chip regulator for generating 1.8 V from 3.3 V supply

100-lead TQFP and LQFP packages

Temperature range: −40°C to +105°C

APPLICATIONS ADAU1442YSVZ-3A

Automotive audio processing

Head units

Navigation systems

Rear-seat entertainment systems

DSP amplifiers (sound system amplifiers)

Commercial audio processing