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參數(shù)資料
| 型號： | ADV7441ABSTZ-5P |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DECODER DIGITIZER 144LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | Advantiv® |
| 類型： | 視頻解碼器 |
| 應(yīng)用： | HDTV，投影儀，機頂盒 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 144-LQFP |
| 供應(yīng)商設(shè)備封裝： | 144-LQFP（20x20） |
| 包裝： | 托盤 |
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Data Sheet
ADV7441A
Rev. H | Page 15 of 28
COMPONENT VIDEO PROCESSING
The ADV7441A supports 525i, 625i, 525p, 625p, 720p, 1080i,
1080p, and many other HDTV formats. It provides automatic
adjustments for gain (contrast) and offset (brightness), as well
as manual adjustment controls. Furthermore, the ADV7441A
not only supports analog component YPrPb/RGB video formats
with embedded synchronization or with separate HS, VS, and CS,
but also supports YCrCb-to-RGB and RGB-to-YCrCb conversions
by any-to-any, 3 × 3 color-space conversion matrices.
In addition, the ADV7441A features brightness, saturation, and
hue controls. Standard identification (STDI) enables detection
of the component format at the system level, and a synchroniza-
tion source polarity detector (SSPD) determines the source and
polarity of the synchronization signals that accompany the
input video.
Certified Macrovision copy protection detection is available on
component formats (525i, 625i, 525p, and 625p).
When no video input is present, free-run output mode provides
stable timing.
The ADV7441A supports user-defined pixel sampling for
nonstandard video sources and arbitrary pixel sampling
for nonstandard video sources.
RGB GRAPHICS PROCESSING
The ADV7441A provides 170 MSPS conversion rate support of
RGB input resolutions up to 1600 × 1200 at 60 Hz (UXGA) and
automatic or manual clamp and gain controls for graphics models.
The RGB graphics processing functionality features contrast
and brightness controls, automatic detection of synchronization
source and polarity by the SSPD block, standard identification
enabled by the STDI block, and user-defined pixel sampling
support for nonstandard video sources.
Additional RGB graphics processing features of the ADV7441A
include the following:
Sampling PLL clock with 500 ps p-p jitter at 170 MSPS.
32-phase DLL support of optimum pixel clock sampling.
Color-space conversion of RGB to YCrCb and decimation
to a 4:2:2 format for videocentric back-end IC interfacing.
Data enable (DE) output signal supplied for direct
connection to the HDMI/DVI transmitter IC.
GENERAL FEATURES
The ADV7441A features HS, VS, and FIELD output signals with
programmable position, polarity, and width. It also includes
programmable interrupt request output pins, INT1 and INT2.
The part offers low power consumption—1.8 V digital core,
1.8 V analog, and 3.3 V digital input/output—and a low power
power-down mode.
The ADV7441A operates over a temperature range of 40°C
to +85°C and is available in a 144-lead, 20 mm × 20 mm, RoHS-
compliant LQFP.
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