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AD9981KST-80 PDF预览

AD9981KST-80

更新时间： 2024-02-10 17:33:01
品牌 Logo 应用领域
亚德诺 - ADI 接口集成电路
页数 文件大小 规格书
44页 510K
描述
IC SPECIALTY INTERFACE CIRCUIT, PQFP80, PLASTIC, LQFP-80, Interface IC:Other

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AD9981KST-80 技术参数

生命周期：Active零件包装代码：QFP
包装说明：LQFP,针数：80
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.13
Is Samacsys：N接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：R-PQFP-G80JESD-609代码：e3
长度：16 mm功能数量：1
端子数量：80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：LQFP封装形状：RECTANGULAR
封装形式：FLATPACK, LOW PROFILE认证状态：Not Qualified
座面最大高度：1.6 mm最大供电电压：1.9 V
最小供电电压：1.7 V标称供电电压：1.8 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子面层：TIN
端子形式：GULL WING端子节距：0.65 mm
端子位置：QUAD宽度：14 mm
Base Number Matches：1

AD9981KST-80 数据手册

 浏览型号AD9981KST-80的Datasheet PDF文件第2页浏览型号AD9981KST-80的Datasheet PDF文件第3页浏览型号AD9981KST-80的Datasheet PDF文件第4页浏览型号AD9981KST-80的Datasheet PDF文件第5页浏览型号AD9981KST-80的Datasheet PDF文件第6页浏览型号AD9981KST-80的Datasheet PDF文件第7页 
High Performance  
10-Bit Display Interface  
AD9981  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
10-bit analog-to-digital converter  
95 MSPS maximum conversion rate  
9% or less p-p PLL clock jitter at 95 MSPS  
Automated offset adjustment  
2:1 input mux  
Power-down via dedicated pin or serial register  
4:4:4, 4:2:2, and DDR output format modes  
Variable output drive strength  
Odd/even field detection  
10  
AUTO OFFSET  
AD9981  
PR/RED  
PR/RED  
1
0
10  
10  
10  
10  
10  
10  
IN  
2:1  
MUX  
10-BIT  
ADC  
RED  
OUT  
CLAMP  
CLAMP  
CLAMP  
PGA  
10  
IN  
AUTO OFFSET  
Y/GREEN  
Y/GREEN  
1
0
IN  
2:1  
MUX  
10-BIT  
ADC  
PGA  
10  
GREEN  
OUT  
IN  
AUTO OFFSET  
PB/BLUE  
PB/BLUE  
1
0
IN  
2:1  
MUX  
10-BIT  
ADC  
BLUE  
PGA  
OUT  
External clock input  
IN  
Regenerated Hsync output  
Programmable output high impedance control  
Hsyncs per Vsyncs counter  
HSYNC1  
HSYNC2  
2:1  
MUX  
DATACK  
SOGOUT  
O/E FIELD  
HSOUT  
SYNC  
PROCESSING  
VSYNC1  
VSYNC2  
2:1  
MUX  
Pb-free package  
PLL  
POWER  
MANAGEMENT  
SOGIN1  
SOGIN2  
2:1  
MUX  
APPLICATIONS  
Advanced TVs  
Plasma display panels  
LCDTV  
VSOUT/A0  
EXTCLK/COAST  
CLAMP  
FILT  
REFHI  
VOLTAGE  
REFS  
SDA  
SCL  
REFCM  
REFLO  
SERIAL REGISTER  
HDTV  
RGB graphics processing  
LCD monitors and projectors  
Scan converters  
Figure 1.  
GENERAL DESCRIPTION  
The AD9981 is a complete, 10-bit, 95 MSPS, monolithic analog  
interface optimized for capturing YPbPr video and RGB  
graphics signals. Its 95 MSPS encode rate capability and full-  
power analog bandwidth of 200 MHz supports all HDTV  
video modes and graphics resolutions up to XGA (1024 × 768  
at 85 Hz).  
With internal Coast generation, the PLL maintains its output  
frequency in the absence of sync input. A 32-step sampling  
clock phase adjustment is provided. Output data, sync, and  
clock phase relationships are maintained.  
The auto-offset feature can be enabled to automatically restore  
the signal reference levels and to automatically calibrate out any  
offset differences between the three channels. The AD9981 also  
offers full sync processing for composite sync and sync-on-  
green applications. A clamp signal is generated internally or  
may be provided by the user through the CLAMP input pin.  
The AD9981 includes a 95 MHz triple ADC with an internal  
reference, a PLL, programmable gain, offset, and clamp controls.  
The user provides only 3.3 V and 1.8 V power supplies and an  
analog input. Three-state CMOS outputs may be powered from  
1.8 V to 3.3 V.  
Fabricated in an advanced CMOS process, the AD9981 is  
provided in a space-saving, 80-pin, Pb-free, LQFP surface  
mount plastic package. It is specified over the 0°C to +70°C  
temperature range.  
The AD9981’s on-chip PLL generates a sample clock from  
the three-level sync (for YPbPr video) or the horizontal sync  
(for RGB graphics). Sample clock output frequencies range from  
10 MHz to 95 MHz. PLL clock jitter is 9% or less p-p typical at  
95 MSPS.  
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  
Fax: 781.326.8703  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  
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