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AD1955ARSRL

更新时间: 2024-01-21 17:05:07
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
24页 903K
描述
High Performance Multibit with SACD Playback

AD1955ARSRL 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SSOP包装说明:PLASTIC, SSOP-28
针数:28Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.31商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PDSO-G28JESD-609代码:e0
长度:10.2 mm功能数量:1
端子数量:28最高工作温度:105 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:2 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:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:5.3 mm

AD1955ARSRL 数据手册

 浏览型号AD1955ARSRL的Datasheet PDF文件第2页浏览型号AD1955ARSRL的Datasheet PDF文件第3页浏览型号AD1955ARSRL的Datasheet PDF文件第4页浏览型号AD1955ARSRL的Datasheet PDF文件第5页浏览型号AD1955ARSRL的Datasheet PDF文件第6页浏览型号AD1955ARSRL的Datasheet PDF文件第7页 
High Performance Multibit -DAC  
a
with SACD Playback  
AD1955  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
5 V Power Supply Stereo Audio DAC System  
Accepts 16-/18-/20-/24-Bit Data  
Supports 24-Bit, 192 kHz Sample Rate PCM Audio Data  
Supports SACD Bit Stream and External Digital Filter  
Interface  
DSD  
BITSTREAM  
INPUT  
MASTER  
CLOCK INPUT  
CONTROL  
DATA INPUT  
3
4
DIGITAL  
SUPPLY  
Accepts a Wide Range of PCM Sample Rates Including:  
32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, and  
192 kHz  
Multibit Sigma-Delta Modulator with "Perfect Differen-  
tial Linearity Restoration" for Reduced Idle Tones and  
Noise Floor  
AUTO-CLOCK  
DIVIDER  
SPI CONTROL  
16-/20-/24-BIT  
AUDIO DATA/  
EXTERNAL  
DIGITAL  
3/4  
MUX  
DSD FILTER  
FILTER INPUT  
Data Directed Scrambling DAC––Low Sensitivity to Jitter  
Supports SACD Playback with "Bit Expansion" Filter  
Differential Current Output for Optimum Performance  
8.64 mA p-p Differential Output  
120 dB SNR/DNR (not muted) at 48 kHz Sample Rate  
(A-Weighted Stereo)  
SERIAL DATA  
INTERFACE  
EXTERNAL  
FILTER I/F  
RESET  
MUTE  
DIGITAL  
FILTER ENGINE  
S/H  
ANALOG  
SUPPLY  
123 dB SNR/DNR (Mono)  
110 dB THD + N  
110 dB Stop-Band Attenuation with 0.0002 dB  
Pass-Band Ripple  
ZERO  
FLAGS  
NOISE-SHAPED  
SCRAMBLING  
MULTIBIT -ꢁ  
MODULATOR  
8Oversampling Digital Filter  
On-Chip Clickless Volume Control  
VOLTAGE  
REFERENCE  
I-DAC  
I-DAC  
Supports SACD-Mute Pattern Detection  
Supports 64 fS/128 fS DSD SACD with Phase Mode  
Internal Digital Filter Pass-Through for External Filter  
Master Clock: 256 fS, 512 fS, 768 fS  
Hardware and Software Controllable Clickless Mute  
Serial (SPI) Control for Serial Mode, Number of Bits,  
Sample Rate, Volume, Mute, De-Emphasis, Mono Mode  
Digital De-Emphasis for 32 kHz, 44.1 kHz, and 48 kHz  
Sample Rates  
L-CH  
DIFFERENTIAL  
CURRENT OUTPUT  
R-CH  
PRODUCT OVERVIEW  
The AD1955 is a complete, high performance, single-chip, stereo  
digital audio playback system. It is comprised of a multibit sigma-  
delta modulator, high performance digital interpolation filters,  
and continuous-time differential current output DACs. Other  
features include an on-chip clickless stereo attenuator and mute  
capability, programmed through an SPI compatible serial control  
port. The AD1955 is fully compatible with all known DVD audio  
formats including 192 kHz as well as 96 kHz sample frequencies  
and 24 bits. It is also backward compatible by supporting 50 µs/  
15 µs digital de-emphasis intended for redbookcompact discs,  
as well as de-emphasis at 32 kHz and 48 kHz sample rates.  
Flexible Serial Data Port with Right-Justified, Left-  
Justified, I2S, and DSP Modes  
28-Lead SSOP Plastic Package  
APPLICATIONS  
High End DVD Audio  
SACD  
CD  
Home Theater Systems  
Automotive Audio Systems  
Sampling Musical Keyboards  
Digital Mixing Consoles  
Digital Audio Effects Processors  
The AD1955 has a very flexible serial data input port that  
allows for glueless interconnection to a variety of ADCs, DSPs,  
SACD decoders, external digital filters, AES/EBU receivers, and  
(continued on page 12)  
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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices.  
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  
© Analog Devices, Inc., 2002  

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