Overview
The ADAU1401YSTZ-RL, produced by Analog Devices Inc., is a comprehensive single-chip audio system. It integrates a 28-/56-bit audio DSP, two Σ-Δ ADCs, four Σ-Δ DACs, and microcontroller-like control interfaces. This chip is designed to enhance audio quality through advanced signal processing capabilities, including equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening. The ADAU1401 is fully programmable using the SigmaStudio™ software, allowing users to configure custom signal processing flows graphically.
Key Specifications
| Parameter | Min | Max | Unit | Comments | |
|---|---|---|---|---|---|
| ADC THD + N | -83 | - | - | dB | - |
| DAC THD + N | -90 | - | - | dB | - |
| Analog Input to Analog Output Dynamic Range | - | - | 98.5 | dB | - |
| Sampling Rates | - | - | 192 | kHz | - |
| Core Voltage | 1.7 | 1.8 | 1.84 | V | - |
| Operating Temperature Range | -40 | - | 105 | °C | - |
| Package Type | - | - | 48-LQFP (7x7) | - | - |
| Communication Interfaces | - | - | I2C, 4-wire SPI | - | - |
Key Features
- 28-/56-bit audio DSP for advanced signal processing.
- Two Σ-Δ ADCs and four Σ-Δ DACs with high dynamic range.
- Support for sampling rates up to 192 kHz.
- On-chip voltage regulator compatible with 3.3 V systems.
- Microcontroller-like control interfaces.
- Programmable using SigmaStudio™ software.
- Glueless connection to additional ADCs and DACs.
- Communication through I2C® bus or 4-wire SPI port.
- Twelve multipurpose pins for external control and flag/output functions.
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 ADAU1401YSTZ-RL?
The ADAU1401YSTZ-RL is a single-chip audio system produced by Analog Devices Inc., featuring a 28-/56-bit audio DSP, ADCs, DACs, and microcontroller-like control interfaces. - What are the key signal processing capabilities of the ADAU1401?
The ADAU1401 supports signal processing such as equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening. - What is the maximum sampling rate supported by the ADAU1401?
The ADAU1401 supports sampling rates up to 192 kHz. - How does the ADAU1401 communicate with other devices?
The ADAU1401 communicates through an I2C® bus or a 4-wire SPI port. - What software is used to program the ADAU1401?
The ADAU1401 is programmed using the SigmaStudio™ software. - What is the dynamic range of the analog input to analog output of the ADAU1401?
The dynamic range is 98.5 dB. - What are the typical applications of the ADAU1401?
Applications include multimedia speaker systems, MP3 player speaker docks, automotive head units, minicomponent stereos, digital televisions, studio monitors, speaker crossovers, musical instrument effects processors, and in-seat sound systems. - What is the operating temperature range of the ADAU1401?
The operating temperature range is -40°C to 105°C. - What package type does the ADAU1401 come in?
The ADAU1401 comes in a 48-LQFP (7x7) package. - Can the ADAU1401 be connected to additional ADCs and DACs?
Yes, the ADAU1401 allows glueless connection to additional ADCs and DACs.
