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AD1839A

更新时间: 2024-01-02 04:33:46
品牌 Logo 应用领域
亚德诺 - ADI 解码器编解码器
页数 文件大小 规格书
24页 998K
描述
2 ADC, 6 DAC, 96 kHz, 24-Bit Sigma-Delta Codec

AD1839A 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFP
包装说明:QFP,针数:52
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.6
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:S-PQFP-G52
JESD-609代码:e3长度:10 mm
功能数量:1端子数量:52
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:QFP
封装形状:SQUARE封装形式:FLATPACK
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:2.45 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:10 mmBase Number Matches:1

AD1839A 数据手册

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2 ADC, 6 DAC,  
96 kHz, 24-Bit Sigma-Delta Codec  
AD1839A  
FEATURES  
GENERAL DESCRIPTION  
5 V stereo audio system with 3.3 V tolerant digital interface  
Supports up to 96 kHz sample rates  
192 kHz sample rate available on 1 DAC  
Supports 16-/20-/24-bit word lengths  
The AD1839A is a high performance single-chip codec that  
features three stereo DACs and one stereo ADC. Each DAC  
comprises a high performance digital interpolation filter, a  
multibit Σ-∆ modulator featuring Analog Devices’ patented  
technology, and a continuous-time voltage-out analog section.  
Each DAC has independent volume control and clickless mute  
functions. The ADC comprises two 24-bit conversion channels  
with multibit Σ-∆ modulators and decimation filters.  
Multibit Σ-modulators with perfect differential linearity  
restoration for reduced idle tones and noise floor  
Data-directed scrambling DACs—least sensitive to jitter  
Single-ended output  
ADCs: −95 dB THD + N, 105 dB SNR and dynamic range  
DACs: −92 dB THD + N, 108 dB SNR and dynamic range  
The AD1839A also contains an on-chip reference with a  
nominal value of 2.25 V.  
On-chip volume controls per channel with 1024-step linear  
scale  
The AD1839A contains a flexible serial interface that allows  
glueless connection to a variety of DSP chips, AES/EBU  
receivers, and sample rate converters. The AD1839A can be  
configured in left-justified, right-justified, I2S, or DSP compati-  
ble serial modes. Control of the AD1839A is achieved by means  
of an SPI® compatible serial port. While the AD1839A can be  
operated from a single 5 V supply, it also features a separate  
supply pin for its digital interface that allows the device to be  
interfaced to other devices using 3.3 V power supplies. The  
AD1839A is available in a 52-lead MQFP package and is  
specified for the −40°C to +85°C industrial temperature range.  
DAC and ADC software controllable clickless mutes  
Digital de-emphasis processing  
Supports 256 × fS, 512 × fS, and 768 × fS master mode clocks  
Power-down mode and soft power-down mode  
Flexible serial data port with right-justified, left-justified,  
I2S compatible, and DSP serial modes  
TDM interface mode supports 8-in/8-out operation using a  
single SHARC® SPORT  
52-lead MQFP plastic package  
APPLICATIONS  
DVD video and audio players  
Home theater systems  
Automotive audio systems  
Audio/visual receivers  
Digital audio effects process  
FUNCTIONAL BLOCK DIAGRAM  
DVDD DVDD ODVDD ALRCLK ABCLK ASDATA CCLK CLATCH CIN COUT  
MCLK PD/RST M/S AVDD AVDD  
AAUXDATA3  
DLRCLK  
CONTROL PORT  
VOLUME  
CLOCK  
OUTL1  
OUTR1  
OUTL2  
OUTR2  
OUTL3  
DIGITAL  
FILTER  
Σ-∆  
DBCLK  
DAC  
DSDATA1  
DSDATA2  
DSDATA3  
DAUXDATA  
VOLUME  
SERIAL DATA  
I/O PORT  
VOLUME  
DIGITAL  
FILTER  
Σ-∆  
DAC  
VOLUME  
VOLUME  
ADCLP  
ADCLN  
Σ-∆  
ADC  
DIGITAL  
FILTER  
DIGITAL  
FILTER  
Σ-∆  
DAC  
OUTR3  
FILTD  
FILTR  
VOLUME  
ADCRP  
ADCRN  
Σ-∆  
ADC  
DIGITAL  
FILTER  
V
AD1839A  
REF  
DGND DGND AGND AGND AGND AGND  
Figure 1.  
Rev. B  
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  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  

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