Overview
The ADAU1467WBCPZ300RL, produced by Analog Devices Inc., is a highly advanced digital audio processor that belongs to the SigmaDSP family. This device is automotive qualified and significantly enhances the digital signal processing capabilities compared to earlier SigmaDSP devices. It is designed to optimize audio processing efficiency with a restructured hardware architecture and supports various processing paradigms such as stream processing, multirate processing, and block processing. The ADAU1467 is pin and register compatible with other SigmaDSP processors like the ADAU1450, ADAU1451, and ADAU1452, making it versatile for a wide range of 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 phase-locked loop (PLL) circuitry |
| I/O Supply Voltage (IOVDD) | 1.71 | 3.3 | 3.63 | V | Supply for input/output circuitry, including pads and level shifters |
| DSP Core Clock (fCORE) | 294.912 | MHz | Maximum clock frequency | ||
| Serial Ports | Four input serial ports and four output serial ports, each with asynchronous clock domain capability | ||||
| Sample Rate | Supports up to 192 kHz sample rate, with asynchronous sample rate converters (ASRCs) |
Key Features
- Advanced DSP Core: The 1.2 V, 32-bit DSP core can execute up to 6144 single instruction, multiple data (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 up to 15 nonstandard sample rates simultaneously.
- Serial Audio Ports: Four input and four output serial ports with assignable data pins, allowing for flexible configuration and additional channels of audio data without high-speed serial ports.
- Audio Routing Matrix: A flexible hardware audio routing matrix simplifies the design of complex multirate audio systems.
- 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, and S/PDIF interfaces.
- Programming and Control: Independent slave and master I2C/SPI control ports enable programming and control by an external master device, and self-boot functionality supports complex standalone systems.
- Graphical Programming Tool: The SigmaStudio graphical programming tool allows for interactive, intuitive, and powerful signal processing flow creation.
Applications
- Automotive Audio Systems: The ADAU1467 is automotive qualified, making it suitable for advanced in-car audio systems.
- Professional Audio Equipment: Ideal for professional audio applications requiring high-quality digital signal processing and flexible audio routing.
- Consumer Electronics: Used in various consumer electronics such as home audio systems, soundbars, and high-end audio devices.
- Industrial Audio Systems: Suitable for industrial audio applications that require robust and reliable digital signal processing.
Q & A
- What is the ADAU1467WBCPZ300RL used for?
The ADAU1467WBCPZ300RL is a digital audio processor used for advanced audio signal processing in various applications, including automotive, professional audio, consumer electronics, and industrial audio systems.
- What are the key features of the ADAU1467WBCPZ300RL?
Key features include an advanced 32-bit DSP core, flexible clock generators, serial audio ports with assignable data pins, a flexible hardware audio routing matrix, and support for various interfaces like I2C, SPI, and S/PDIF.
- What is the maximum clock frequency of the DSP core?
The DSP core can run at frequencies of up to 294.912 MHz.
- How many serial ports does the ADAU1467WBCPZ300RL have?
The device has four input serial ports and four output serial ports, each with asynchronous clock domain capability.
- What is the maximum sample rate supported by the ADAU1467WBCPZ300RL?
The device supports sample rates up to 192 kHz, with the capability to generate up to 15 nonstandard sample rates simultaneously using asynchronous sample rate converters (ASRCs).
- Can the ADAU1467WBCPZ300RL be programmed and controlled externally?
Yes, the device has independent slave and master I2C/SPI control ports that allow it to be programmed and controlled by an external master device.
- What is the SigmaStudio tool used for?
The SigmaStudio tool is a graphical programming tool that enables the creation of interactive, intuitive, and powerful signal processing flows for the ADAU1467WBCPZ300RL.
- What are the power supply voltage ranges for the ADAU1467WBCPZ300RL?
The power supply voltage ranges are: AVDD (2.97V to 3.63V), DVDD (1.14V to 1.26V), PVDD (2.97V to 3.63V), and IOVDD (1.71V to 3.63V).
- Is the ADAU1467WBCPZ300RL automotive qualified?
Yes, the ADAU1467WBCPZ300RL is automotive qualified, making it suitable for use in automotive audio systems.
- What package type does the ADAU1467WBCPZ300RL come in?
The device comes in an 88-Lead LFCSP (12mm x 12mm x 0.85mm w/ EP) package.
