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ADV7183B Datasheet(PDF) 1 Page - Analog Devices

Part No. ADV7183B
Description  Multiformat SDTV Video Decoder
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADV7183B Datasheet(HTML) 1 Page - Analog Devices

 
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Multiformat SDTV Video Decoder
ADV7183B
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
www.analog.com
Fax: 781.461.3113
© 2005 Analog Devices, Inc. All rights reserved.
FEATURES
Multiformat video decoder supports NTSC-(J, M, 4.43),
PAL-(B/D/G/H/I/M/N), SECAM
Integrates three 54 MHz, 10-bit ADCs
Clocked from a single 27 MHz crystal
Line-locked clock-compatible (LLC)
Adaptive Digital Line Length Tracking (ADLLT™), signal
processing, and enhanced FIFO management give mini-
TBC functionality
5-line adaptive comb filters
Proprietary architecture for locking to weak, noisy, and
unstable video sources such as VCRs and tuners
Subcarrier frequency lock and status information output
Integrated AGC with adaptive peak white mode
Macrovision® copy protection detection
Chroma transient improvement (CTI)
Digital noise reduction (DNR)
Multiple programmable analog input formats
Composite video (CVBS)
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 or 16-bit)
ITU-R BT.656 YCrCb 4:2:2 output + HS, VS, and FIELD
0.5 V to 1.6 V analog signal input range
Differential gain: 0.5% typ
Differential phase: 0.5° 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×
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
APPLICATIONS
DVD recorders
Video projectors
HDD-based PVRs/DVDRs
LCD TVs
Set-top boxes
Security systems
Digital televisions
AVR receivers
GENERAL DESCRIPTION
The ADV7183B integrated video decoder automatically detects
and converts a standard analog baseband television signal-
compatible with worldwide standards NTSC, PAL, and SECAM
into 4:2:2 component video data-compatible with 16-/8-bit
CCIR601/CCIR656.
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 10-bit accurate A/D conversion provides professional
quality video performance and is unmatched. This allows true
8-bit resolution in the 8-bit output mode.
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 up to 1.6 V.
Alternatively, these can be bypassed for manual settings.
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 ADV7183B modes are set up
over a 2-wire, serial, bidirectional port (I2C-compatible).
The ADV7183B is fabricated in a 3.3 V CMOS process. Its
monolithic CMOS construction ensures greater functionality
with lower power dissipation.
The ADV7183B is packaged in a small 80-lead LQFP
Pb-free package.


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