Overview
The ADAU1701JSTZ from Analog Devices is a comprehensive single-chip audio system that integrates a 28-/56-bit audio DSP, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and microcontroller-like control interfaces. This processor is designed to enhance audio quality by compensating for real-world limitations of speakers, amplifiers, and listening environments. It offers advanced signal processing capabilities, including equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening. The ADAU1701JSTZ operates in full 56-bit, double precision mode, ensuring excellent low-level signal performance comparable to high-end studio equipment.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 24 bits | ||
| Total Harmonic Distortion + Noise (ADC input) | -83 dB | Typical | |
| Total Harmonic Distortion + Noise (DAC output) | -90 dB | Typical | |
| Sampling Rates | Up to 192 kHz | ||
| Operating Temperature | 0°C to +70°C | ||
| Package Style | 48-lead LQFP | ||
| Voltage Range | 2.97V to 3.63V, 1.62V to 1.98V | AVDD and DVDD respectively | |
| Communication Interfaces | I2C, SPI |
Key Features
- Complete standalone operation with self-boot from serial EEPROM
- Auxiliary ADC with 4-input mux for analog control and GPIOs for digital controls and outputs
- Fully programmable using SigmaStudio graphical tool
- Low-latency 568 million instructions-per-second (MIPS) clocked DSP core
- Extensive peripheral features including 1400 DMA channels, 2048 asm commands, and various converters and filters
- On-chip voltage regulator for compatibility with 3.3V systems
- Embedded I2C slaves, I2S slave/master interfaces, multi-channel serial control, and general-purpose I/Os
- SHARC low-power instruction set architecture (ISA) compatibility
Applications
- Multimedia speaker systems
- MP3 player speaker docks
- Automotive head units
- Minicomponent stereos
- Digital televisions
- Studio monitors
- Speaker crossovers
- Musical instrument effects processors
- In-seat sound systems (aircraft/motor coaches)
Q & A
- What is the ADAU1701JSTZ?
The ADAU1701JSTZ is a 28-/56-bit audio DSP from Analog Devices, integrating ADCs, DACs, and microcontroller-like control interfaces.
- What are the key signal processing capabilities of the ADAU1701JSTZ?
The processor offers equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening.
- What is the resolution and THD + N of the ADCs and DACs?
The resolution is 24 bits, with a THD + N of -83 dB for ADCs and -90 dB for DACs.
- What are the supported sampling rates?
The ADAU1701JSTZ supports sampling rates up to 192 kHz.
- What communication interfaces does the ADAU1701JSTZ support?
The processor supports I2C and SPI communication interfaces.
- What is the operating temperature range of the ADAU1701JSTZ?
The operating temperature range is 0°C to +70°C.
- What package style does the ADAU1701JSTZ come in?
The ADAU1701JSTZ comes in a 48-lead LQFP package.
- Can the ADAU1701JSTZ operate standalone?
Yes, it can operate standalone and self-boot from a serial EEPROM.
- What tools are used to program the ADAU1701JSTZ?
The ADAU1701JSTZ is fully programmable using the SigmaStudio graphical tool.
- What are some common applications of the ADAU1701JSTZ?
Common applications include multimedia speaker systems, MP3 player speaker docks, automotive head units, and studio monitors.
