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ADA4420-6ARUZ-R7 PDF预览

ADA4420-6ARUZ-R7

更新时间: 2024-11-02 14:50:47
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管商用集成电路
页数 文件大小 规格书
16页 224K
描述
Low Cost 6-Channel HD/SD Video Filter

ADA4420-6ARUZ-R7 数据手册

 浏览型号ADA4420-6ARUZ-R7的Datasheet PDF文件第2页浏览型号ADA4420-6ARUZ-R7的Datasheet PDF文件第3页浏览型号ADA4420-6ARUZ-R7的Datasheet PDF文件第4页浏览型号ADA4420-6ARUZ-R7的Datasheet PDF文件第5页浏览型号ADA4420-6ARUZ-R7的Datasheet PDF文件第6页浏览型号ADA4420-6ARUZ-R7的Datasheet PDF文件第7页 
Low Cost 6-Channel HD/SD Video Filter  
ADA4420-6  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Sixth-order filters  
INSD1  
INSD2  
INSD3  
OUTSD1  
OUTSD2  
OUTSD3  
×1  
×1  
×1  
×1  
×1  
×1  
×2  
×2  
×2  
×2  
×2  
×2  
SD  
SD  
SD  
HD  
HD  
HD  
Transparent input sync tip clamp  
−1 dB bandwidth of 26 MHz typical for HD  
HD rejection @ 75 MHz: 48 dB typical  
NTSC differential gain: 0.19%  
NTSC differential phase: 0.76°  
Rail-to-rail outputs  
Low quiescent current: 32 mA typical  
Disable feature  
Output dc offset  
CLAMP  
CLAMP  
CLAMP  
CLAMP  
CLAMP  
CLAMP  
DIS  
INHD1  
OUTHD1  
OUTHD2  
OUTHD3  
APPLICATIONS  
Set-top boxes  
DVD players and recorders  
HDTVs  
Projectors  
Personal video recorders  
INHD2  
INHD3  
ADA4420-6  
Figure 1.  
GENERAL DESCRIPTION  
The ADA4420-6 is a low cost video reconstruction filter specifically  
designed for consumer applications. It consists of six independent  
sixth-order Butterworth filters/buffers, three for standard  
definition (Y/C or CVBS) and three for high definition  
component signals (YPrPb or RGB).  
Each channel features a transparent sync tip clamp, allowing ac  
coupling of the inputs without requiring dc restoration.  
The output drivers on the ADA4420-6 have rail-to-rail output  
capabilities with 6 dB gain. A built-in offset of 250 mV allows  
the outputs to be dc-coupled, eliminating the need for large  
coupling capacitors. Each output is capable of driving two 75 Ω  
doubly terminated cables.  
The ADA4420-6 operates from a single 5 V supply and has a  
low quiescent current of 32 mA, making it ideal for applications  
where power consumption is critical. A disable feature allows  
for further power conservation by reducing the supply current  
to less than 8 μA typical when the device is not in use.  
The ADA4420-6 is available in either a 16-lead QSOP or a 20-lead  
TSSOP, and operates in the extended industrial temperature  
range of −40°C to +85°C.  
Rev. A  
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  
www.analog.com  
Fax: 781.461.3113 ©2008–2011 Analog Devices, Inc. All rights reserved.  
 
 
 

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