SigmaDSP Digital Audio Processor
ADAU1452/ADAU1451/ADAU1450 Data Sheet
FEATURES 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
Available in two temperature ranges:
−40°C to +105°C
0°C to +70°C 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 input/output and routing
4 serial input ports, 4 serial output ports
48-channel, 32-bit digital input/output up to a sample rate …