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EVAL-ADV7189BEB

更新时间: 2024-11-06 05:20:43
品牌 Logo 应用领域
亚德诺 - ADI 解码器电视
页数 文件大小 规格书
104页 870K
描述
Multiformat SDTV Video Decoder

EVAL-ADV7189BEB 数据手册

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Multiformat SDTV Video Decoder  
ADV7189B  
FEATURES  
Multiformat video decoder supports NTSC-(J, M, 4.43),  
PAL-(B/D/G/H/I/M/N), SECAM  
0.5 V to 1.6 V analog signal input range  
Differential gain: 0.4% typ  
Integrates three 54 MHz, Noise Shaped Video®, 12-bit ADCs  
Clocked from a single 28 MHz crystal  
Differential phase: 0.4° typ  
Programmable video controls  
Peak white/hue/brightness/saturation/contrast  
Integrated on-chip video timing generator  
Free-run mode (generates stable video output with no I/P)  
VBI decode support for close captioning, WSS, CGMS, EDTV,  
Gemstar® 1×/2×  
Line-locked clock-compatible (LLC)  
Adaptive-Digital-Line-Length-Tracking (ADLLT™), signal  
processing, and enhanced FIFO management gives mini-  
TBC functionality  
5-line adaptive comb filters  
Proprietary architecture for locking to weak, noisy, and  
unstable video sources such as VCRs and tuners  
Power-down mode  
2-wire serial MPU interface (I2C®-compatible)  
3.3 V analog, 1.8 V digital core; 3.3 V IO supply  
2 temperature grades: 0°C to +70°C and –40°C to +85°C  
80-lead LQFP Pb-free package  
Subcarrier frequency lock and status information output  
Integrated AGC with adaptive peak white mode  
Macrovision® copy protection detection  
CTI (chroma transient improvement)  
DNR (digital noise reduction)  
Multiple programmable analog input formats  
CVBS (composite video)  
S-Video (Y/C)  
YPrPb component (VESA, MII, SMPTE, and BetaCam)  
12 analog video input channels  
Automatic NTSC/PAL/SECAM identification  
Digital output formats (8-bit/10-bit/16-bit/20-bit)  
ITU-R BT.656 YCrCb 4:2:2 output + HS, VS, and FIELD  
APPLICATIONS  
High-end DVD recorders  
Video projectors  
HDD-based PVRs/DVDRs  
LCD TVs  
Set-top boxes  
Professional video products  
AVR receivers  
GENERAL DESCRIPTION  
The ADV7189B integrated video decoder automatically detects  
and converts a standard analog baseband television signal, com-  
patible with worldwide standards NTSC, PAL, and SECAM into  
4:2:2 component video data-compatible with 20-, 16-, 10-, and  
8-bit CCIR601/CCIR656.  
The 12 analog input channels accept standard composite,  
S-Video, YPrPb video signals in an extensive number of  
combinations. AGC and clamp restore circuitry allow an  
input video signal peak-to-peak range of 0.5 V to 1.6 V.  
Alternatively, these can be bypassed for manual settings.  
The advanced and highly flexible digital output interface  
enables performance video decoding and conversion in line-  
locked, clock-based systems. This makes the device ideally  
suited for a broad range of applications with diverse analog  
video characteristics, including tape-based sources, broadcast  
sources, security/surveillance cameras, and professional  
systems.  
The fixed 54 MHz clocking of the ADCs and datapath for  
all modes allows very precise, accurate sampling and digital  
filtering. The line-locked clock output allows the output data  
rate, timing signals, and output clock signals to be synchronous,  
asynchronous, or line locked even with 5% line length variation.  
The output control signals allow glueless interface connections  
in almost any application. The ADV7189B modes are set up  
over a 2-wire, serial, bidirectional port (I2C-compatible).  
The 12-bit accurate A/D conversion provides professional  
quality video performance and is unmatched. This allows  
true 10-bit resolution in the 10-bit output mode.  
The ADV7189B is fabricated in a 3.3 V CMOS process. Its  
monolithic CMOS construction ensures greater functionality  
with lower power dissipation. The ADV7189B is packaged in a  
small, 80-lead LQFP Pb-free package.  
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: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  

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