SigmaDSP Compact Digital Audio Processor
Model: ADAU1462-300
- Qualified for automotive applications
- High performance SigmaDSP core enables low latency and audio applications
- Active noise cancellation (ANC)
- Echo-canceller and noise reduction (ECNR)
- Surround sound algorithms
The ADAU1462/ADAU1466 are automotive qualified audio processors that far exceed the digital signal processing capabilities of earlier SigmaDSP® devices. They are pin and register compatible with each other, as well as with the ADAU1450/ADAU1451/ADAU1452 SigmaDSP processors. The restructured hardware architecture is optimized for efficient audio processing. The audio processing algorithms support a seamless combination of stream processing (sample by sample), multirate processing, and block processing paradigms. The SigmaStudio™ graphical programming tool enables the creation of signal processing flows that are interactive, intuitive, and powerful. The enhanced digital signal processor (DSP) core architecture enables some types of audio processing algorithms to be executed using significantly fewer instructions than were required on previous SigmaDSP generations, leading to vastly improved code efficiency.
- Qualified for automotive applications
- High performance SigmaDSP core enables low latency and audio applications
- Active noise cancellation (ANC)
- Echo-canceller and noise reduction (ECNR)
- Surround sound algorithms
- Scalability is achieved with a cost effective 150MHz DSP core and a 300MHz DSP core for demanding applications
- Features SigmaStudio, a proprietary graphical integrated development environment (IDE), for the development of custom signal flows
- Comprehensive toolbox of pre-defined building blocks
- Faster design time with proven solutions
- Intuitive system design
- 32-bit SigmaDSP core at 1.2V with 294MHz or 147MHz DSP core
- 16k words of program memory
- 48k words of parameter/data RAM
- Up to 6144 SIMD instructions per sample at 48kHz
- Up to 800ms digital audio delay pool at 48kHz
- 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 192kHz
- Flexible configuration of I2S, left and right justified, and up to 16-channel TDM formats on serial data pins
- 8 stereo ASRCs from 1:8 up to 7.75:1 ratio and 139dB dynamic range
- Stereo S/PDIF input and output at 192kHz
- 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 1.2V from 1.8V to 3.3V supply
- 72-lead, 10mm × 10mm LFCSP package with 5.3mm exposed pad
- Temperature range: -40°C to +105°C
- Spec Sheet available - Yes
- Operating Temperature (Maximum): 221 F
- Operating Temperature (Minimum): -40 F
- AC Voltage (Maximum): 3.30 Volts
- AC Voltage (Minimum): 1.80 Volts
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