Overview
The ADAU1463WBCPZ300RL is a high-performance SigmaDSP™ digital audio processor designed by Analog Devices Inc. This device is part of the automotive series and is known for its advanced digital signal processing capabilities, exceeding those of earlier SigmaDSP generations. It features a 32-bit DSP core that can operate at frequencies up to 294.912 MHz, executing up to 6144 single instruction, multiple data (SIMD) instructions per sample at a standard sample rate of 48 kHz. The ADAU1463 is pin and register compatible with other SigmaDSP processors like the ADAU1450, ADAU1451, and ADAU1452, making it a versatile choice for various audio processing applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Analog Voltage (AVDD) | 2.97 | 3.3 | 3.63 | V | Supply for analog circuitry, including auxiliary ADCs |
| Digital Voltage (DVDD) | 1.14 | 1.2 | 1.26 | V | Supply for digital circuitry, including the DSP core, ASRCs, and signal routing |
| PLL Voltage (PVDD) | 2.97 | 3.3 | 3.63 | V | Supply for PLL circuitry |
| I/O Supply Voltage (IOVDD) | 1.71 | 3.3 | 3.63 | V | Supply for input/output circuitry, including pads and level shifters |
| Analog Current (AVDD) | 1.36 | 1.66 | 2 | mA | Idle State |
| Digital Current (DVDD) | 213 | 220 | 233 | mA | Typical Program, fCORE = 294.912 MHz |
| I/O Sample Rate | 6 | - | 192 | kHz | - |
| Total Harmonic Distortion Plus Noise (THD + N) | -120 | - | - | dB | - |
| Dynamic Range | 139 | - | - | dB A weighted, 20 Hz to 20 kHz | - |
Key Features
- High-Performance DSP Core: The 32-bit DSP core can run at frequencies up to 294.912 MHz and execute up to 6144 SIMD instructions per sample at a standard sample rate of 48 kHz.
- Flexible Clock Generators: Includes a phase-locked loop (PLL) with multiple fractional integer outputs, supporting all industry standard audio sample rates and generating up to 15 sample rates simultaneously.
- Asynchronous Sample Rate Converters (ASRCs): Supports dynamic range of 139 dB A weighted, 20 Hz to 20 kHz, and I/O sample rates from 6 kHz to 192 kHz.
- Serial Ports and Audio Routing: Four input and four output serial ports with assignable data pins, allowing flexible configuration for additional channels of audio data without high-speed serial ports.
- Interface Capabilities: Interfaces with a wide range of analog-to-digital converters (ADCs), digital-to-analog converters (DACs), digital audio devices, amplifiers, and control circuitry through highly configurable serial ports, I2C, SPI, S/PDIF, and multipurpose I/O pins.
- Graphical Programming Tool: The SigmaStudio graphical programming tool enables the creation of interactive, intuitive, and powerful signal processing flows.
Applications
The ADAU1463WBCPZ300RL is designed for complex multirate audio systems and is particularly suited for automotive and industrial audio applications. It can be used in various scenarios such as:
- Automotive Audio Systems: Enhancing audio processing in car infotainment systems, driver assistance systems, and other automotive audio applications.
- Professional Audio Equipment: Used in professional audio gear, such as mixers, processors, and amplifiers, due to its high-performance DSP capabilities and flexible audio routing.
- Consumer Electronics: Suitable for high-end consumer audio devices, including home theaters, soundbars, and smart speakers.
Q & A
- What is the maximum operating frequency of the DSP core in the ADAU1463WBCPZ300RL?
The DSP core can operate at frequencies up to 294.912 MHz. - How many SIMD instructions can the ADAU1463WBCPZ300RL execute per sample at a standard sample rate of 48 kHz?
It can execute up to 6144 SIMD instructions per sample at a standard sample rate of 48 kHz. - What is the dynamic range of the ASRCs in the ADAU1463WBCPZ300RL?
The ASRCs have a dynamic range of 139 dB A weighted, 20 Hz to 20 kHz. - What types of interfaces does the ADAU1463WBCPZ300RL support?
It supports highly configurable serial ports, I2C, SPI, S/PDIF, and multipurpose I/O pins. - Can the ADAU1463WBCPZ300RL be used in standalone systems?
Yes, it can be used in standalone systems due to its self-boot functionality and master control port. - What is the package type of the ADAU1463WBCPZ300RL?
The device comes in an 88-Lead LFCSP (Lead Frame Chip Scale Package) with an exposed pad. - What is the operating temperature range of the ADAU1463WBCPZ300RL?
The operating temperature range is from -40°C to +105°C. - How many input and output serial ports does the ADAU1463WBCPZ300RL have?
It has four input and four output serial ports. - What is the purpose of the SigmaStudio graphical programming tool?
The SigmaStudio tool enables the creation of interactive, intuitive, and powerful signal processing flows for the ADAU1463WBCPZ300RL. - Can the ADAU1463WBCPZ300RL decode PDM output from MEMS microphones?
Yes, it can decode the PDM output of up to four MEMS microphones using dedicated decimation filters.
