Overview
The ADAU1445YSVZ-3A is a SigmaDSP Digital Audio Processor produced by Analog Devices Inc. This fully programmable audio digital signal processor (DSP) is designed to enhance sound processing capabilities. It features a SigmaDSP core with full 28-bit processing (56-bit in double-precision mode) and supports synchronous parameter loading to ensure filter stability. The processor is part of the ADAU1442, ADAU1445, and ADAU1446 family, differing primarily in asynchronous sample rate converter (ASRC) functionality and packaging. The ADAU1445 can handle three clock domains and is packaged in a 100-lead TQFP (Thin Quad Flat Pack) with an exposed pad.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package Type | 100-Lead TQFP (14mm x 14mm w/ EP) |
| Supply Voltage Range | 2.97V to 3.63V |
| Core Clock Frequency | 172.032 MHz |
| Processing Capability | 28-bit (56-bit in double-precision mode) |
| ASRC Channels | 16 channels |
| Clock Domains | Three clock domains |
| Control Interface | SPI, I2C |
| Operating Temperature Range | -40°C to +105°C |
| Storage Temperature Range | -65°C to +150°C |
| RoHS Compliance | Yes |
Key Features
- Fully programmable audio digital signal processor (DSP) with a SigmaDSP core.
- Flexible audio routing matrix (FARM) allowing full flexibility in routing input and output signals.
- Synchronous parameter loading for ensuring filter stability and 100% code efficiency with SigmaStudio tools.
- Support for various audio processing blocks such as FIR and IIR filters, dynamics processors, mixers, and low-level DSP functions.
- Integration of third-party branded algorithms for enhanced audio quality.
- Multipurpose (MP) pins that can be used as general-purpose digital I/Os or as inputs to the 4-channel auxiliary control ADC.
- Ability to self-boot from an external EEPROM in systems without a microcontroller.
Applications
The ADAU1445YSVZ-3A is suitable for a wide range of audio processing applications, including:
- Professional audio equipment such as mixers, equalizers, and compressors.
- Consumer electronics like home theaters, soundbars, and high-fidelity audio systems.
- Automotive audio systems requiring advanced signal processing.
- Public address systems and live sound reinforcement.
- Audio processing in industrial and medical devices.
Q & A
- What is the primary function of the ADAU1445YSVZ-3A?
The ADAU1445YSVZ-3A is a fully programmable audio digital signal processor (DSP) designed for enhanced sound processing.
- What is the package type of the ADAU1445YSVZ-3A?
The ADAU1445YSVZ-3A is packaged in a 100-lead TQFP (Thin Quad Flat Pack) with an exposed pad.
- What are the key features of the SigmaDSP core in the ADAU1445YSVZ-3A?
The SigmaDSP core features full 28-bit processing (56-bit in double-precision mode), synchronous parameter loading, and 100% code efficiency with SigmaStudio tools.
- How many ASRC channels does the ADAU1445YSVZ-3A support?
The ADAU1445YSVZ-3A supports 16 channels of asynchronous sample rate converters (ASRCs).
- What control interfaces are available on the ADAU1445YSVZ-3A?
The ADAU1445YSVZ-3A can be controlled via SPI and I2C interfaces.
- Can the ADAU1445YSVZ-3A self-boot from an external EEPROM?
Yes, the ADAU1445YSVZ-3A can self-boot from an external EEPROM in systems without a microcontroller.
- What is the operating temperature range of the ADAU1445YSVZ-3A?
The operating temperature range is -40°C to +105°C.
- Is the ADAU1445YSVZ-3A RoHS compliant?
Yes, the ADAU1445YSVZ-3A is RoHS compliant.
- What software tool is used for programming and development of the ADAU1445YSVZ-3A?
The SigmaStudio graphical development environment is used for programming and development.
- What types of audio processing blocks are supported by the ADAU1445YSVZ-3A?
The ADAU1445YSVZ-3A supports audio processing blocks such as FIR and IIR filters, dynamics processors, mixers, and low-level DSP functions.
