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| 型號(hào)： | EVAL-ADV7189EBM |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat SDTV Video Decoder |
| 中文描述： | 標(biāo)清多格式視頻解碼器 |
| 文件頁數(shù)： | 1/104頁 |
| 文件大?。?/td> | 890K |
| 代理商： | EVAL-ADV7189EBM |
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Multiformat SDTV Video Decoder
ADV7189
FEATURES
Multiformat video decoder supports NTSC-(M,N, 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
GENERAL DESCRIPTION
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
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: 781.326.8703
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 (I
2
C 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 receiver
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 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 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 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 ADV7189 modes
are set up over a 2-wire, serial, bidirectional port (I
2
C
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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