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ADAV400 Datasheet

  • ADAV400

  • SigmaDSP? Multichannel Audio Processor with Embedded 2ADC/8D...

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Audio Codec with
Embedded SigmaDSP
廬
Processor
ADAV400
FEATURES
Fully programmable audio digital signal processing (DSP) for
enhanced sound processing
Scalable digital audio delay line
Pool of 400 ms @ 48 kHz (200 ms for stereo channel)
High performance, integrated analog-to-digital converters
(ADCs) and digital-to-analog converters (DACs)
1 stereo analog input (ADC)
4 stereo analog inputs with mux-to-stereo ADC
4 stereo (8-channel) analog outputs (DACs)
Dedicated headphone output with integrated amplifier
Multichannel digital I/O
8-channel I
2
S input and output modes
8- and 16-channel TDM input and output modes
2-channel (1 stereo) asynchronous I
2
S input with
integrated sample rate converter (SRC), supporting
sample rates from 5 kHz to 50 kHz
Features SigmaStudio鈩? a proprietary graphical
programming tool for fast development of custom
signal flows
Includes various third-party audio algorithms
I
2
C廬 control interface
Operates from 3.3 V (analog), 1.8 V (digital core),
3.3 V (digital interface)
Features on-chip regulator for single 3.3 V operation
80-lead LQFP package (14 mm 脳 14 mm)
Temperature range: 0擄C to 70擄C
APPLICATIONS
ATV and AV audio applications
TV audio processing
Set top box (STB)
HTiB
General audio enhancement
FUNCTIONAL BLOCK DIAGRAM
ADAV400
MULTICHANNEL
DIGITAL OUTPUTS
SDO0
SDO1
SDO2
SDO3
LRCLK1
PROGRAMMABLE
AUDIO
PROCESSOR
CORE
BCLK1
VOUT1
VOUT2
DAC
VOUT3
VOUT4
DAC
HPOUTL
HPOUTR
AUXL1
AUXR1
A鈥揤
SYNC DELAY
MEMORY
DAC
AUXL2
AUXR2
05811-001
MCLKI
MCLKO
SCL
SDA
AD0
BCLK0
LRCLK0
PLL
SYSTEM
CLOCKS
I
2
C INTERFACE
DAC
SRC
ASYNCHRONIZE
DIGITAL INPUT
SDIN0
SDIN1
SDIN2
SDIN3
AINL1
AINR1
AINL4
AINR4
ADC
SYNCHRONIZE
MULTICHANNEL
DIGITAL INPUT
Figure 1.
Rev. 0
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
漏2006 Analog Devices, Inc. All rights reserved.

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