Overview
Features and Benefits
- 28-/56-bit, 50 MIPS digital audio processor
- 2 ADCs: SNR of 100 dB, THD + N of −83 dB
- 4 DACs: SNR of 104 dB, THD + N of −90 dB
- Complete standalone operation
- Self-boot from serial EEPROM
- Auxiliary ADC with 4-input mux for analog control
- Fully programmable with SigmaStudio graphical tool
- GPIOs for digital controls and outputs
- 28-bit × 28-bit multiplier with 56-bit accumulator for full double-precision processing
- Clock oscillator for generating a master clock from crystal
- PLL for generating master clock from 64 × fS,
256 × fS, 384 × fS, or 512 × fS, clocks - See data sheet for additional features
Product Details
The ADAU1701 is a complete single-chip audio system with a 28-/56-bit audio DSP, ADCs, DACs, and microcontroller-like control interfaces. Signal processing includes equalization, cross-over, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening. This processing can be used to compensate for real-world limitations of speakers, amplifiers, and listening environments, providing dramatic improvements in perceived audio quality.
Its signal processing is comparable to that found in high end studio equipment. Most processing is done in full 56-bit, double precision mode, resulting in very good low level signal performance. The ADAU1701 is a fully programmable DSP. The easy to use SigmaStudio™ software allows the user to graphically configure a custom signal processing flow using blocks such as biquad filters, dynamics processors, level controls, and GPIO interface controls.
ADAU1701 programs can be loaded on power-up either from a serial EEPROM through its own self-boot mechanism or from an external microcontroller. On power-down, the current state of the parameters can be written back to the EEPROM from the ADAU1701 to be recalled the next time the program is run.
Two Σ-Δ ADCs and four Σ-Δ DACs provide a 98.5 dB analog input to analog output dynamic. Each ADC has a THD + N of −83 dB, and each DAC has a THD + N of −90 dB. Digital input and output ports allow a glueless connection to additional ADCs and DACs. The ADAU1701 communicates through an I2C® bus or a 4-wire SPI port.
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)
Product Categories
Markets and Technologies
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (2)
Documentation & Resources
-
AN-1006: Using the EVAL-ADUSB2EBZ5/19/2020
-
AN-951: Using Hardware Controls with SigmaDSP GPIO Pins (Rev. A)1/6/2011PDF439 kB
-
AN-923: Designing a System Using the ADAU1701/ADAU1702 in Self-Boot Mode (Rev. 0)8/1/2007PDF134 kB
-
UG-072: Evaluation Board User Guide for ADAU14012/28/2010PDF888 kB
-
FAQs7/26/2017
Software & Systems Requirements
Software Development Tools
SigmaStudio®
Graphical development tool for programming, development, and tuning software for ADI DSP audio processors and A2B® transceivers.
Tools & Simulations
Design Tools
Reference Designs (1)
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
PCN-PDN Information
Support & Discussions
ADAU1701 Discussions
RE: How to correctly convert GPIO input (23.5) to 28.0 number format?
2 week(s) ago in SigmaDSP Processors & SigmaStudio Dev. Tool
RE: Read and ariete eeprom
5 week(s) ago in SigmaDSP Processors & SigmaStudio Dev. Tool
Sample & Buy
See our Ordering FAQs for answers to questions about online orders, payment options and more.
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.
Evaluation Boards
Pricing displayed is based on 1-piece.
Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.