Overview
The ADAU1462WBCPZ300, produced by Analog Devices Inc., is a highly advanced SigmaDSP Compact Digital Audio Processor. This device is part of the ADAU1462/ADAU1466 series, which are automotive-qualified audio processors that significantly enhance the digital signal processing capabilities compared to earlier SigmaDSP devices. The ADAU1462 is pin and register compatible with other models in the series, such as the ADAU1450, ADAU1451, and ADAU1452. It features a restructured hardware architecture optimized for efficient audio processing, supporting various processing paradigms including stream, multirate, and block processing. The SigmaStudio graphical programming tool allows for the creation of interactive and powerful signal processing flows.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| DSP Core Frequency | 294.912 | MHz |
| Parameter/Data RAM | 48 kWords | |
| Program Memory | 16 kWords | |
| Sample Rate | Up to 192 kHz | |
| Serial Input/Output Ports | 4 each | |
| ASRCs | Up to 8 stereo ASRCs | |
| PDM Microphone Input Channels | 4 | |
| Package Type | 72-Lead LFCSP (10mm x 10mm w/ EP) | |
| Operating Temperature Range | -40°C to +105°C | |
| Power Supply Voltage (AVDD) | 2.97 to 3.63 V | |
| Power Supply Voltage (DVDD) | 1.14 to 1.26 V |
Key Features
- Enhanced DSP Core Architecture: The 1.2 V, 32-bit DSP core can execute up to 6144 SIMD instructions per sample at a standard sample rate of 48 kHz, significantly improving code efficiency.
- Flexible Clock Generators: Includes a flexible phase-locked loop (PLL) with multiple fractional integer outputs, supporting all industry standard audio sample rates and generating up to 15 sample rates simultaneously.
- Audio Routing and Interfaces: Highly configurable serial ports, I2C, SPI, S/PDIF interfaces, and multipurpose I/O pins for interfacing with various audio devices and peripherals.
- ASRCs and PDM Microphone Support: Up to 8 stereo ASRCs and dedicated decimation filters for decoding the PDM output of up to four MEMS microphones.
- Low Power Consumption: Power-efficient DSP core that consumes only a few hundred milliwatts in typical conditions, making it ideal for applications requiring high processing power with low energy consumption.
- Standalone Operation and Self-Boot: Self-boot functionality and master control port enable complex standalone systems without the need for external controllers.
Applications
The ADAU1462WBCPZ300 is designed for a variety of complex audio processing applications, particularly in the automotive sector. It is ideal for:
- Automotive Audio Systems: Enhances the audio experience in vehicles with advanced signal processing capabilities.
- Professional Audio Equipment: Suitable for high-end audio equipment requiring precise and efficient digital signal processing.
- Consumer Electronics: Used in advanced consumer audio devices such as home theaters, soundbars, and high-fidelity audio systems.
- Industrial Audio Systems: Applicable in industrial settings where robust and reliable audio processing is required.
Q & A
- What is the maximum DSP core frequency of the ADAU1462WBCPZ300?
The maximum DSP core frequency is 294.912 MHz.
- How many serial input and output ports does the ADAU1462WBCPZ300 have?
The device has 4 serial input ports and 4 serial output ports.
- What is the operating temperature range of the ADAU1462WBCPZ300?
The operating temperature range is -40°C to +105°C.
- Does the ADAU1462WBCPZ300 support PDM microphone inputs?
Yes, it supports up to four PDM microphone input channels.
- What is the package type of the ADAU1462WBCPZ300?
The package type is a 72-Lead LFCSP (10mm x 10mm w/ EP).
- Can the ADAU1462WBCPZ300 operate in standalone mode?
Yes, it has self-boot functionality and a master control port for standalone operation.
- What is the dynamic range of the ASRCs in the ADAU1462WBCPZ300?
The ASRCs have a dynamic range of up to 139 dB.
- How many ASRCs does the ADAU1462WBCPZ300 support?
The device supports up to 8 stereo ASRCs.
- What is the power consumption of the ADAU1462WBCPZ300?
The device consumes only a few hundred milliwatts in typical conditions.
- Is the ADAU1462WBCPZ300 compatible with other SigmaDSP devices?
Yes, it is pin and register compatible with the ADAU1450, ADAU1451, and ADAU1452.
