ADAU1401AWBSTZ Analog Devices SigmaDSP Audio Processor 28/56-bit DSP with Integrated 2ADC/4DAC 24-bit 192kHz LQFP-48

ADAU1401AWBSTZ Product Overview

The ADAU1401AWBSTZ is a highly integrated SigmaDSP audio processor from Analog Devices, housed in an LQFP-48 package. The ADAU1401AWBSTZ features a 28/56-bit DSP engine (50 MIPS) and, together with the SigmaStudio graphical development tool, makes it easy to implement complex audio algorithms such as filters, equalizers, dynamics processing, and reverbs—without writing any low-level code. The analog front-end of the ADAU1401AWBSTZ integrates two 24-bit ADCs (100 dB SNR) and four 24-bit DACs (104 dB SNR), supporting sampling rates up to 192 kHz. The ADAU1401AWBSTZ digital audio interfaces support I2S, TDM, and other formats, while control is handled via I2C or SPI. The ADAU1401AWBSTZ requires a single 1.8 V–3.6 V supply, with an on-chip PLL. Operating temperature spans -40 °C to +105 °C, making the ADAU1401AWBSTZ ideal for automotive audio, professional audio processing, TV soundbars, multimedia docking stations, and a wide range of embedded audio systems.

ADAU1401AWBSTZ Core Features

DSP Architecture: The ADAU1401AWBSTZ features a 28/56-bit SigmaDSP, 50 MIPS

Analog Input: The ADAU1401AWBSTZ provides 2-channel 24-bit ADC, SNR 100 dB

Analog Output: The ADAU1401AWBSTZ offers 4-channel 24-bit DAC, SNR 104 dB

Sampling Rate: The ADAU1401AWBSTZ supports up to 192 kHz

Digital Audio I/F: The ADAU1401AWBSTZ includes I2S, TDM, left/right-justified

Control Interface: The ADAU1401AWBSTZ uses I2C, SPI

Power Supply: The ADAU1401AWBSTZ operates from a single 1.8 V–3.6 V, on-chip PLL

Software Tool: The ADAU1401AWBSTZ is supported by SigmaStudio graphical development, no coding required

Package: The ADAU1401AWBSTZ comes in an LQFP-48 (7×7 mm)

Temperature Range: The ADAU1401AWBSTZ operates from -40°C to +105°C (industrial)

ADAU1401AWBSTZ Applications

Automotive Audio: The ADAU1401AWBSTZ is used in in-vehicle DSP amplifiers, active noise cancellation, engine harmonic elimination

TVs & Soundbars: The ADAU1401AWBSTZ enables virtual surround, audio enhancement, multi-channel processing

Professional Audio: The ADAU1401AWBSTZ powers digital mixers, effects processors, active speakers

Multimedia Docks: The ADAU1401AWBSTZ is ideal for iPod/iPhone audio processing docks

Embedded Audio: The ADAU1401AWBSTZ supports smart home audio, voice assistants, conferencing systems

ADAU1401AWBSTZ Key Advantages

Complete Signal Chain: The ADAU1401AWBSTZ combines DSP + ADC + DAC in a single chip reduces PCB area and BOM

Easy-to-Use SigmaStudio: The ADAU1401AWBSTZ enables drag-and-drop algorithm design for rapid concept-to-prototype

High Audio Quality: The ADAU1401AWBSTZ delivers 24-bit/192 kHz processing with low-noise analog front-end

Industrial Wide Temperature: The ADAU1401AWBSTZ operates from -40°C to +105°C suitable for automotive and outdoor equipment

Flexible Digital Interfaces: The ADAU1401AWBSTZ supports various audio formats with I2C/SPI control

Proven Reliability: The ADAU1401AWBSTZ is a classic ADI SigmaDSP series with massive global commercial validation

Mature Ecosystem: The ADAU1401AWBSTZ benefits from a rich algorithm library, reference designs, and third-party support

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