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ADAU1701JSTZ-RL PDF预览

ADAU1701JSTZ-RL

更新时间: 2024-01-12 04:02:01
品牌 Logo 应用领域
亚德诺 - ADI 消费电路商用集成电路
页数 文件大小 规格书
43页 625K
描述
SigmaDSP 28/56-Bit Audio Processor with 2ADC/4DAC

ADAU1701JSTZ-RL 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFP
包装说明:LFQFP, QFP48,.35SQ,20针数:48
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:0.75
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:S-PQFP-G48
JESD-609代码:e3长度:7 mm
湿度敏感等级:3功能数量:1
端子数量:48最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:LFQFP封装等效代码:QFP48,.35SQ,20
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):260电源:1.8,3.3 V
认证状态:Not Qualified座面最大高度:1.6 mm
子类别:Other Consumer ICs最大供电电压 (Vsup):3.63 V
最小供电电压 (Vsup):2.97 V表面贴装:YES
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7 mmBase Number Matches:1

ADAU1701JSTZ-RL 数据手册

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SigmaDSP® 28/56-Bit Audio  
Processor with 2ADC/4DAC  
ADAU1701  
Preliminary Technical Data  
FEATURES  
APPLICATIONS  
28/56-bit, 50 MHz digital audio processor  
Stereo ADC: 100 dB SNR and -80 dB THD+N  
4-channel DAC: 104 dB SNR and -90 dB THD+N  
Complete stand-alone operation  
Multimedia speaker systems  
MP3 player speaker docks  
Automotive head units  
Mini-component stereos  
Digital televisions  
Self-boot from serial EEPROM  
Studio monitors  
Speaker crossovers  
Auxiliary ADC with four-input mux for analog  
control  
Musical instrument effects processors  
In-seat sound systems (aircraft/motor coaches)  
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  
FUNCTIONAL BLOCK DIAGRAM  
PLL  
PLL for generating master clock from 64 × fS, 256 × fS,  
384 × fS, or 512 × fS clocks  
DIGITAL DIGITAL  
VDD GROUND  
3
ANALOG  
VDD  
3
PLL  
LOOP  
ANALOG  
GROUND  
3
3.3 V  
MODE FILTER  
CRYSTAL  
3
3
2
Flexible serial data I/O ports with I2S compatible, left-  
justified, right-justified, and TDM modes  
Sampling rates up to 192 kHz supported  
On-chip voltage regulator for compatibility with 3.3 V  
systems  
48-lead LQFP plastic package  
1.8 V  
REGULATOR  
CLOCK  
OSCILLATOR  
PLL  
FILTD / CM  
2
2-CHANNEL  
ANALOG  
INPUT  
STEREO  
ADC  
DAC  
DAC  
4-CHANNEL  
ANALOG  
OUTPUT  
S
28/56-BIT, 50 MHz  
AUDIO PROCESSOR CORE  
40 ms DELAY MEMORY  
FILTA /  
ADC_RES  
2
CONTROL  
INTERFACE  
AND  
8-CH  
DIGITAL  
OUTPUT  
RESET/  
MODE  
SELECT  
8-CH  
DIGITAL  
INPUT  
8-BIT  
AUX  
ADC  
GPIO  
SELFBOOT  
INPUT/OUTPUT MATRIX  
4
4
4
5
DIGITAL IN  
OR  
GPIO  
AUX ADC  
OR  
GPIO  
DIGITAL OUT  
OR  
GPIO  
SELF  
BOOT  
RESET  
I2C/SPI &  
WRITEBACK  
Figure 1.  
GENERAL DESCRIPTION  
filters, dynamics processors, level controls, and GPIO interface  
controls.  
The ADAU1701 is a complete audio system-on-a-chip  
including a 28/56-bit audio DSP, ADCs and DACs, and  
microcontroller-like control interfaces. Signal processing  
includes equalization, crossover, bass enhancement, multiband  
dynamics processing, delay compensation, speaker  
compensation, and stereo image widening. These algorithms  
can be used to compensate for the real-world limitations of  
speakers, amplifiers, and listening environments, resulting in a  
dramatic improvement of perceived audio quality.  
ADAU1701 programs can be loaded on power-up either from a  
serial EEPROM though 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  
ADAU1701 to be recalled the next time the program is run.  
The ADAU1701’s two sigma-delta (Σ-Δ ) ADCs and four Σ-Δ  
DACs provide an analog-in to analog-out dynamic range  
greater than 100 dB. The ADC’s THD+N is -80 dB and the  
DAC’s is -90 dB. Digital input and output ports allow a glueless  
connection to additional ADCs and DACs. The ADAU1701  
communicates through either an I2C bus or a 4-wire SPI port.  
The signal processing used in the ADAU1701 is comparable to  
that found in high end studio equipment. Most of the  
processing is done in full 56-bit double-precision mode,  
resulting in very good low level signal performance. The  
ADAU1701 is a fully-programmable DSP. The easy-to-use  
SigmaStudio software allows the user to graphically configure a  
custom signal processing flow using blocks such as biquad  
Rev. PrF  
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 registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2006 Analog Devices, Inc. All rights reserved.  

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