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| 型号： | ADAU1401AWBSTZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/52页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO PROC 28/56BIT 48LQFP |
| 标准包装： | 2,000 |
| 系列： | SigmaDSP® |
| 类型： | 音频处理器 |
| 应用： | 监控器，电视 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
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SigmaDSP 28-/56-Bit Audio Processor
with Two ADCs and Four DACs
ADAU1401A
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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
2010 Analog Devices, Inc. All rights reserved.
FEATURES
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
GPIOs for digital controls and outputs
Fully programmable with SigmaStudio graphical tool
28-bit × 28-bit multiplier with 56-bit accumulator for full
double-precision processing
Clock oscillator for generating master clock from crystal
PLL for generating master clock from 64 × fS, 256 × fS,
384 × fS, or 512 × fS clocks
Flexible serial data input/output ports with I2S-compatible,
left-justified, right-justified, and TDM modes
Sampling rates of up to 192 kHz supported
On-chip voltage regulator for compatibility with 3.3 V systems
48-lead, plastic LQFP
Qualified for automotive applications
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)
GENERAL DESCRIPTION
The ADAU1401A is a complete, single-chip audio system with
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 limita-
tions of speakers, amplifiers, and listening environments, providing
dramatic improvements in perceived audio quality.
The signal processing of the ADAU1401A 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 ADAU1401A is a fully program-
mable 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.
The ADAU1401A 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 ADAU1401A 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 ADAU1401A communicates through an I2C bus
or a 4-wire SPI port.
FUNCTIONAL BLOCK DIAGRAM
2
GPIO
INPUT/OUTPUT MATRIX
DIGITAL VDD DIGITAL GROUND
ANALOG VDD ANALOG
GROUND
PLL MODE PLL LOOP
FILTER
CRYSTAL
3.3V
28-/56-BIT, 50MIPS
AUDIO PROCESSOR CORE, 40ms DELAY MEMORY
2-CHANNEL
ANALOG
INPUT
1.8V
REGULATOR
STEREO
ADC
FILTA/
ADC_RES
RESET/
MODE
SELECT
CONTROL INTERFACE
AND SELF-BOOT
8-CHANNEL
DIGITAL INPUT
8-CHANNEL
DIGITAL OUTPUT
8-BIT AUX
ADC
RESET SELF-BOOT
DIGITAL IN OR GPIO
AUX ADC OR GPIO
DIGITAL OUT OR GPIO
I2C/SPI AND WRITEBACK
DAC
4-CHANNEL
ANALOG
OUTPUT
FILTD/CM
PLL
CLOCK OSCILLATOR
ADAU1401A
3
2
3
5
0850
6-
001
Figure 1.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADAU1401YSTZ | 功能描述:IC AUDIO PROC 28/56BIT 48LQFP RoHS:是 类别:集成电路 (IC) >> 线性 - 音频处理 系列:SigmaDSP® 其它有关文件:STA321 View All Specifications 标准包装:1 系列:Sound Terminal™ 类型:音频处理器 应用:数字音频 安装类型:表面贴装 封装/外壳:64-LQFP 裸露焊盘 供应商设备封装:64-LQFP EP（10x10） 包装:Digi-Reel® 其它名称:497-11050-6 |
| ADAU1401YSTZ-RL | 功能描述:IC AUDIO PROC 28/56BIT 48LQFP RoHS:是 类别:集成电路 (IC) >> 线性 - 音频处理 系列:SigmaDSP® 其它有关文件:STA321 View All Specifications 标准包装:1 系列:Sound Terminal™ 类型:音频处理器 应用:数字音频 安装类型:表面贴装 封装/外壳:64-LQFP 裸露焊盘 供应商设备封装:64-LQFP EP（10x10） 包装:Digi-Reel® 其它名称:497-11050-6 |
| ADAU1421YSTZ | 制造商:Analog Devices 功能描述: |
| ADAU1421YSTZ-REEL | 制造商:Analog Devices 功能描述: |
| ADAU1442 | 制造商:AD 制造商全称:Analog Devices 功能描述:SigmaDSP Digital Audio Processor |
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