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參數(shù)資料
| 型號： | ADV7183 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Video Decoder with 9-Bit ADC(帶9位A/D轉換器和自適應梳狀濾波器視頻譯碼器) |
| 中文描述： | 視頻解碼器（帶8位9位ADC的A / D轉換器和自適應梳狀濾波器視頻譯碼器） |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 86K |
| 代理商： | ADV7183 |
Fully integrated line stores enable 3-line comb filtering in both
luminance and chrominance data paths, plus real time horizon-
tal and vertical scaling of captured video down to icon size.
The 9-bit accurate A/D conversion provides professional quality
SNR performance. This allows true 8-bit resolution in the 8-
bit output mode.
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Video Decoder with 9-Bit ADC, 3-Line
Adaptive Comb Filter & Scaler
FEATURES
Analog Video to Digital YUV Video Decoder
NTSC-(M/N), PAL-(B/D/G/H/I/M/N)
Integrates Two 9-Bit Accurate ADCs
Clocked from a Single 27 MHz Crystal
Dual Video Clocking Schemes
Line Locked Clock Compatible (LLC)
Fixed Frequency Oversamping 10-Bit Operation
Adaptive-Digital-Line-Length-Tracking (ADLLT
)
Real Time Clock & Status Information Output
Integrated AGC (Automatic Gain Control) & Clamping
Simplified Digital Interface
On-Board Digital FIFO
Optimised Programmable Video Source Modes
Broadcast TV
VCR/Camcorder
Security/Surveillance
Multiple, Programmable Analog Input Formats:
CVBS (Composite Video)
SVHS (Y/C
4 Analog Input Video Channels
Real Time Horizontal and Vertical Scaling
Adaptive 3-Line Luma and Chroma Comb Filter
Automatic NTSC/PAL Identification
VMI & VIP compliant video pixel port
Digital Output Formats (16-Bit Wide Bus):
YCrCb (4:2:2 or 4:1:1)
CCIR601/CCIR656 8-Bit
0.5V to 2.0V pk-pk i/p range
Differential Gain < 1%
Differential Phase < 1
o
Programmable Video Controls
Pk-White/Hue/Brightness/Saturation/Contrast
CCIR/Square Pixel Operation
Integrated On-Chip Video Timing Generator
Synchronous or Asynchronous Output Timing
Line Locked Clock Output
Close Captioning Passthrough Operation
Vertical Blanking Interval Support
Power Down Mode
2-Wire Serial MPU Interface (I
2
C Compatible)
+5V/+3V CMOS Supply Operation
80-Pin LQFP Package
APPLICATIONS
Video Conferencing
Hybrid Analog/Digital Set Top Boxes
PC Video/Multimedia
Camcorders
Security Systems/Surveillance
GENERAL DESCRIPTION
The ADV7183 is an integrated video decoder that automati-
cally recognises and converts a standard analog baseband
television signal compatible with world wide standards NTSC
or PAL into 4:2:2 or 4:1:1 component video data compatible
with 16-bit/8-Bit CCIR601/CCIR656 8-Bit standards.
The advanced and highly flexible digital output interface
enables perfomance video decoding and conversion in both
frame-buffer based and 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, secruity/surveillance cameras and
professional systems.
The 4 analog inputs channel accept standard composite or S-
Video video signals in an extensive number of combinations.
AGC and Clamp Restore circuitry allow an input video signal
peak to peak range of 0.5V up to 2V. Alternatively these can
be bypassed for manual settings.
The fixed 27 MHz clocking of the ADCs and datapath for all
modes allows very precise and accurate sampling and digital
filtering. The Line Locked Clock output allows the output
data rate, timing signals and output clock signals to be synchro-
nous, asynchronous or line locked even with +/-5% line length
variation. The output control signals allow glueless interface
connection in almost any application.
The ADV7183 modes are set up over a two wire serial bidirec-
tional port (I
C compatible).
The ADV7183 is fabricated in a +5V CMOS process. Its
monolithic CMOS construction ensures greater functionality
with lower power dissipation.
The ADV7183 is packaged in a small 80 pin LQFP package.
June 98 Rev .00
* ADV is a Registered Trademark of Analog Devices, Inc.
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
Preliminary Information
ADV7183
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相關代理商/技術參數(shù) |
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| ADV7183A | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder |
| ADV7183ABST | 制造商:Analog Devices 功能描述: 制造商:Rochester Electronics LLC 功能描述: |
| ADV7183AKST | 制造商:Analog Devices 功能描述:MULTIFORMAT SDTV VIDEO DECODER 制造商:Rochester Electronics LLC 功能描述:10BIT NTSC/PAL/SECAMVIDDECOD I.C - Tape and Reel 制造商:Analog Devices 功能描述:IC VIDEO ENCODER |
| ADV7183AKST-U1 | 制造商:Analog Devices 功能描述:VID DECODER 80LQFP - Bulk |
| ADV7183AKST-X2 | 制造商:Analog Devices 功能描述:VID DECODER - Bulk |
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