Overview
The Analog Devices ADAU1446YSTZ-3A is a SigmaDSP® Digital Audio Processor designed to provide high flexibility and advanced audio processing capabilities. This processor is part of the ADAU1446 series and is known for its flexible audio routing matrix (FARM), which allows for complex signal routing and clocking management. The ADAU1446YSTZ-3A is particularly suited for applications requiring sophisticated audio signal processing, such as speaker equalization, multiband compression, and limiting.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADAU1446YSTZ-3A |
| Package | 100-Lead LQFP (14mm x 14mm) |
| Core Frequency | 172 MHz |
| Operating Temperature Range | -40 to 105 °C |
| Interface | I²C, SPI, Self-boot |
| Serial Input Ports | 9 |
| Serial Output Ports | 9 |
| Program Memory | 4 Words |
| Data Memory | 12 Words |
| Instructions per Sample | 3584 |
| RoHS Compliance | Yes |
Key Features
- Flexible Audio Routing Matrix (FARM): Allows for complex signal routing and clocking management, including multiplexing inputs from multiple sources and routing to or from the SigmaDSP core.
- SigmaDSP Core: Features full 28-bit processing (56-bit in double-precision mode), synchronous parameter loading, and 100% code efficiency with SigmaStudio™ tools.
- Audio Processing Capabilities: Includes speaker equalization, multiband compression, limiting, and support for third-party branded algorithms.
- Operational Modes: Can be controlled via SPI/I²C port or self-boot from an external EEPROM without a microcontroller.
- Multipurpose Pins: Can be used as general-purpose digital I/Os or as inputs to the 4-channel auxiliary control ADC.
- Support for SigmaStudio™: A graphical development environment that includes audio processing blocks such as FIR and IIR filters, dynamics processors, and mixers.
Applications
The ADAU1446YSTZ-3A is suitable for a wide range of audio processing applications, including:
- Professional audio equipment
- Consumer audio devices
- Automotive audio systems
- Public address systems
- Audio conferencing systems
It is particularly useful in scenarios where advanced audio signal processing and flexible routing are required to enhance the perceived audio quality.
Q & A
- What is the core frequency of the ADAU1446YSTZ-3A?
The core frequency is 172 MHz.
- What type of package does the ADAU1446YSTZ-3A come in?
The ADAU1446YSTZ-3A comes in a 100-Lead LQFP (14mm x 14mm) package.
- What interfaces does the ADAU1446YSTZ-3A support?
The ADAU1446YSTZ-3A supports I²C, SPI, and self-boot interfaces.
- What is the operating temperature range of the ADAU1446YSTZ-3A?
The operating temperature range is -40 to 105 °C.
- Is the ADAU1446YSTZ-3A RoHS compliant?
Yes, the ADAU1446YSTZ-3A is RoHS compliant.
- What is the purpose of the Flexible Audio Routing Matrix (FARM) in the ADAU1446YSTZ-3A?
The FARM allows for complex signal routing and clocking management, enabling the multiplexing of inputs from multiple sources and routing to or from the SigmaDSP core.
- Can the ADAU1446YSTZ-3A be controlled without a microcontroller?
Yes, the ADAU1446YSTZ-3A can self-boot from an external EEPROM without a microcontroller.
- What development environment is supported by the ADAU1446YSTZ-3A?
The ADAU1446YSTZ-3A is supported by the SigmaStudio™ graphical development environment.
- What kind of audio processing capabilities does the ADAU1446YSTZ-3A offer?
The ADAU1446YSTZ-3A offers capabilities such as speaker equalization, multiband compression, limiting, and support for third-party branded algorithms.
- What are some typical applications of the ADAU1446YSTZ-3A?
Typical applications include professional audio equipment, consumer audio devices, automotive audio systems, public address systems, and audio conferencing systems.
