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ADAU1452 Dataheets PDF



Part Number ADAU1452
Manufacturers Analog Devices
Logo Analog Devices
Description SigmaDSP Digital Audio Processor
Datasheet ADAU1452 DatasheetADAU1452 Datasheet (PDF)

Data Sheet FEATURES Qualified for automotive applications Fully programmable audio DSP for enhanced sound processing Features SigmaStudio, a proprietary graphical programming tool for the development of custom signal flows Up to 294.912 MHz, 32-bit SigmaDSP core at 1.2 V Up to 6144 SIMD instructions per sample at 48 kHz Up to 40 kWords of parameter/data RAM Up to 800 ms digital audio delay pool at 48 kHz Audio I/O and routing 4 serial input ports, 4 serial output ports 48-channel, 32-bit digital.

  ADAU1452   ADAU1452


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Data Sheet FEATURES Qualified for automotive applications Fully programmable audio DSP for enhanced sound processing Features SigmaStudio, a proprietary graphical programming tool for the development of custom signal flows Up to 294.912 MHz, 32-bit SigmaDSP core at 1.2 V Up to 6144 SIMD instructions per sample at 48 kHz Up to 40 kWords of parameter/data RAM Up to 800 ms digital audio delay pool at 48 kHz Audio I/O and routing 4 serial input ports, 4 serial output ports 48-channel, 32-bit digital I/O up to a sample rate of 192 kHz Flexible configuration for TDM, I2S, left and right justified formats, and PCM Up to 8 stereo ASRCs from 1:8 up to 7.75:1 ratio and 139 dB DNR Stereo S/PDIF input and output (not on the ADAU1450) Four PDM microphone input channels Multichannel, byte addressable TDM serial ports Clock oscillator for generating master clock from crystal SigmaDSP Digital Audio Processor ADAU1452/ADAU1451/ADAU1450 Integer PLL and flexible clock generators Integrated die temperature sensor I2C and SPI control interfaces (both slave and master) Standalone operation Self boot from serial EEPROM 6-channel, 10-bit SAR auxiliary control ADC 14 multipurpose pins for digital controls and outputs On-chip regulator for generating 1.2 V from 3.3 V supply 72-lead, 10 mm × 10 mm LFCSP package with 5.3 mm exposed pad Temperature range: −40°C to +105°C APPLICATIONS Automotive audio processing Head units Navigation systems Rear seat entertainment systems DSP amplifiers (sound system amplifiers) Commercial and professional audio processing FUNCTIONAL BLOCK DIAGRAM—ADAU1452/ADAU1451 XTALIN/MCLK MP13 TO MP0 SELFBOOT AUXADC5 TO AUXADC0 XTALOUT SPI/I2C* SPI/I2C* PLLFILT ADAU1452/ ADAU1451 VDRIVE THD_P THD_M REGULATOR I2C/SPI SLAVE I2C/SPI MASTER GPIO/ AUX ADC PLL CLOCK OSCILLATOR CLKOUT TEMPERATURE SENSOR INPUT AUDIO ROUTING MATRIX S/PDIF RECEIVER 294.912MHz 2 PROGRAMMABLE AUDIO PROCESSING CORE RAM, ROM, WATCHDOG, MEMORY PARITY CHECK SDATA_IN3 TO SDATA_IN0 (48-CHANNEL DIGITAL AUDIO INPUTS) SERIAL DATA INPUT PORTS (×4) DIGITAL MIC INPUT OUTPUT AUDIO ROUTING MATRIX S/PDIF TRANSMITTER SPDIFIN SPDIFOUT 8 × 2-CHANNEL ASYNCHRONOUS SAMPLE RATE CONVERTERS SERIAL DATA OUTPUT PORTS (×4) SDATA_OUT3 TO SDATA_OUT0 (48-CHANNEL DIGITAL AUDIO OUTPUTS) BCLK_IN3 TO BCLK_IN0/ LRCLK_IN3 TO LRCLK_IN0 (INPUT CLOCK PAIRS) INPUT CLOCK DOMAINS (×4) DEJITTER AND CLOCK GENERATOR OUTPUT CLOCK DOMAINS (×4) BCLK_OUT3 TO BCLK_OUT0 LRCLK_OUT3 TO LRCLK_OUT0 (OUTPUT CLOCK PAIRS) *SPI/I2C INCLUDES THE FOLLOWING PIN FUNCTIONS: SS_M, MOSI_M, SCL_M, SCLK_M, SDA_M, MISO_M, MISO, SDA, SCLK, SCL, MOSI, ADDR1, SS, AND ADDR0 PINS. Figure 1. Rev. B Document Feedback One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2013–2014 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. 11486-001 ADAU1452/ADAU1451/ADAU1450 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Functional Block Diagram—ADAU1452/ADAU1451 ................. 1 Revision History ............................................................................... 3 General Description ......................................................................... 4 Differences Between the ADAU1452, ADAU1451, and ADAU1450 ..................................................................................... 4 Functional Block Diagram—ADAU1450 ...................................... 5 Specifications..................................................................................... 6 Electrical Characteristics ............................................................. 8 Timing Specifications .................................................................. 9 Absolute Maximum Ratings .......................................................... 17 Thermal Characteristics ............................................................ 17 Maximum Power Dissipation ................................................... 17 ESD Caution ................................................................................ 17 Pin Configuration and Function Descriptions ........................... 18 Theory of Operation ...................................................................... 22 System Block Diagram ............................................................... 22 Overview.......................


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