ADAU1452 Datasheet | Analog Devices

Data Sheet Features Qualified for automotive applications Fully programmable audio DSP for enhanced sound processing Features Sigma Studio, a proprietary graphical programming tool for the development of custom signal flows Up to 294.912 MHz, 32-bit Sigma DSP core at 1.2 V Up to 6144 SIMD instructions per sample at 48 k Hz Up to 40 k Words of parameter/data RAM Up to 800 ms digital audio delay pool at 48 k Hz 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 k Hz 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 d B 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 Sigma DSP 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 amplifiers) mercial and professional audio processing FUNCTIONAL BLOCK DIAGRAM- ADAU1452/ADAU1451 XTALIN/MCLK MP13 TO MP0 SELFBOOT AUXADC5 TO AUXADC0 XTALOUT SPI/I2C- SPI/I2C- PLLFILT ADAU1452/ ADAU1451 VDRIVE THD_P THD_M REGULATOR I2C/SPI SLAVE I2C/SPI MASTER GPIO/ AUX ADC CLOCK OSCILLATOR CLKOUT TEMPERATURE SENSOR INPUT AUDIO ROUTING MATRIX S/PDIF RECEIVER 294.912MHz 2 PROGRAMMABLE AUDIO PROCESSING CORE RAM, ROM, WATCHDOG, MEMORY PARITY CHECK SDATA_IN3 TO SDATA_IN0 (48-CHANNEL...