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ADAU1452

ADAU1452

Analog Devices
Higher-performance SigmaDSP option from the same family for more processing resources.
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Overview

The ADAU1452 is a higher-performance SigmaDSP audio processor from Analog Devices designed for real-time audio processing. It provides a high internal clock rate and substantial on-chip RAM and ROM for complex filter graphs, delays and algorithms. Control is via standard serial control interfaces (I2C or SPI) and it comes in compact surface-mount packages suitable for embedded audio products.

Why Choose This Part

Designed specifically for audio processing, the ADAU1452 offers high processing bandwidth and large on-chip RAM (160 kB) plus ROM (32 kB) for program storage and runtime data without relying on external memory. Standard I2C and SPI control makes it straightforward to integrate with an MCU or control processor, and the available VFQFN exposed-pad package lets you implement compact board designs.

Applications

Active loudspeaker and powered speaker processing
Use for crossover filters, EQ, dynamic range control and delay alignment in active speaker designs.
Automotive infotainment and car audio
Implement multi-channel EQ, DSP-based loudness/room compensation and channel routing in vehicle audio systems.
Soundbars and home theater AV receivers
Manage multi-band processing, bass management and speaker/room calibration in consumer AV products.
Conference systems and microphone arrays
Run beamforming, echo cancellation and multichannel mixing for conferencing and voice-capture applications.

Key Specifications

Type Sigma
Interface I2C, SPI
Clock Rate 294.912MHz
On-Chip RAM 160kB
Mounting Type Surface Mount
Voltage - I/O 3.30V
Package / Case 72-VFQFN Exposed Pad, CSP
Voltage - Core 1.20V
Non-Volatile Memory ROM (32kB)
Operating Temperature -40degC ~ 105degC (TA)
Supplier Device Package 72-LFCSP-VQ (10x10)

Getting Started

Develop with Analog Devices SigmaStudio graphical design tool and the companys evaluation kits and reference designs for the SigmaDSP family. In hardware, provide the specified power rails (3.3V for I/O and 1.2V for core) and use an MCU or USB-to-I2C/SPI adapter to load parameters and control the device. Start by importing block-diagram projects in SigmaStudio and iterating filter/processing graphs while monitoring audio paths.

Also Consider

ADAU1701 Analog Devices - A widely used SigmaDSP with lower resource count but strong toolchain and many reference designs.
ADAU1451 Analog Devices - A sibling part in the same SigmaDSP family for designs that need a different performance/cost balance.