ADAU1451

Data Sheet FEATURES Qualified for automotive applications Fully programmable audio DSP for enhanced sound processing Features SigmaStudio, a proprietary graphical programming tool for the development of custom signal flows Up to 294.912 MHz, 32-bit SigmaDSP core at 1.2 V Up to 6144 SIMD instructions per sample at 48 kHz Up to 40 kWords of parameter/data RAM Up to 800 ms digital audio delay pool at 48 kHz Audio I/O and routing 4 serial input ports, 4 serial output ports 48-channel, 32-bit digital I/O up to a sample rate of 192 kHz Flexible configuration for TDM, I2S, left and right justified formats, and PCM Up to 8 stereo ASRCs from 1:8 up to 7.75:1 ratio and 139 dB DNR Stereo S/PDIF input and output (not on the ADAU1450) Four PDM microphone input channels Multichannel, byte addressable TDM serial ports Clock oscillator for generating master clock from crystal SigmaDSP Digital Audio Processor ADAU1452/ADAU1451/ADAU1450 Integer PLL and flexible clock generators Integrated die temperature sensor I2C and SPI control interfaces (both slave and master) Standalone operation Self boot from serial EEPROM 6-channel, 10-bit SAR auxiliary control ADC 14 multipurpose pins for digital controls and outputs On-chip regulator for generating 1.2 V from 3.3 V supply 72-lead, 10 mm × 10 mm LFCSP package with 5.3 mm exposed pad Temperature range: −40°C to +105°C APPLICATIONS Automotive audio processing Head units Navigation systems Rear seat entertainment systems DSP amplifiers (sound system a...