Description

The ADAU1328BSTZ is an electronic component model in the Interface - CODECs product category. It is an improved version of the SigmaDSP® devices, the ADAU1452/ADAU1451/ADAU1450, which are fully programmable automotive qualified audio DSP with enhanced sound processing capabilities. This electronic component is suitable for commercial and professional audio processing, automotive audio processing, head units, navigation systems, rear seat entertainment systems, and DSP amplifiers.

Specifications and 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
• 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

Application Scenarios

The ADAU1328BSTZ is used in various audio processing applications, including but not limited to:

• Automotive audio processing
• Head units
• Navigation systems
• Rear seat entertainment systems
• DSP amplifiers (sound system amplifiers)
• Commercial and professional audio processing

Comparison

• Qualified for automotive applications
• Fully programmable for enhanced sound processing
• Features SigmaStudio, a proprietary graphical programming tool for signal flow development
• Flexible configuration for various formats
• Multiple I/O and routing options available

• Expensive compared to other similar electronic component models
• Requires some programming expertise for proper use
• May not be suitable for all types of audio processing applications