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ADV7189 데이터시트(PDF) 1 Page - Analog Devices

부품명 ADV7189
상세설명  Multiformat SDTV Video Decoder
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Multiformat SDTV Video Decoder
ADV7189
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, Noise Shaped Video®, 12-bit ADCs
Clocked from a single 27 MHz crystal
Line-locked clock-compatible (LLC)
Adaptive-Digital-Line-Length-Tracking (ADLLT™)
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
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
0.5 V to 1.6 V analog signal input range
Differential gain: 0.4% typ
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 ouput 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
80-lead LQFP Pb-free package
APPLICATIONS
High end DVD recorders
Video projectors
HDD-based PVRs/DVDRs
LCD TVs
Set-top boxes
Professional video products
AVR receivers
GENERAL DESCRIPTION
The ADV7189 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 20-/16-/10-/
8-bit CCIR601/CCIR656.
The advanced, 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 charac-
teristics, including tape-based sources, broadcast sources,
security/surveillance cameras, and professional systems.
The 12-bit accurate A/D conversion provides unmatched
professional quality video performance. This allows true 10-bit
resolution in the 10-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 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 allow 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 ADV7189 modes
are set up over a 2-wire, serial, bidirectional port (I2C-
compatible).
The ADV7189 is fabricated in a 3.3 V CMOS process. Its
monolithic CMOS construction ensures greater functionality
with lower power dissipation.
The ADV7189 is packaged in a small 80-lead LQFP Pb-free
package.


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