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參數(shù)資料
| 型號： | ADV7189BBSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 39/104頁 |
| 文件大小： | 0K |
| 描述： | IC VIDEO DECODER SDTV 80-LQFP |
| 標準包裝： | 1 |
| 類型： | 視頻解碼器 |
| 應(yīng)用： | 機頂盒，視頻播放器，錄音機 |
| 電壓 - 電源，模擬： | 3.15 V ~ 3.45 V |
| 電壓 - 電源，數(shù)字： | 1.65 V ~ 2 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-LQFP |
| 供應(yīng)商設(shè)備封裝： | 80-LQFP（14x14） |
| 包裝： | 托盤 |
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ADV7189B
Rev. B | Page 4 of 104
INTRODUCTION
The ADV7189B is a high quality, single chip, multiformat video
decoder that automatically detects and converts PAL, NTSC,
and SECAM standards in the form of composite, S-Video, and
component video into a digital ITU-R BT.656 format.
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 charac-
teristics, including tape-based sources, broadcast sources,
security/ surveillance cameras, and professional systems.
ANALOG FRONT END
The ADV7189B analog front end comprises three 12-bit noise
shaped video ADCs that digitize the analog video signal before
applying it to the standard definition processor. The analog front
end employs differential channels to each ADC to ensure high
performance in mixed-signal applications.
The front end also includes a 12-channel input mux that
enables multiple video signals to be applied to the ADV7189B.
Current and voltage clamps are positioned in front of each
ADC to ensure the video signal remains within the range of
the converter. Fine clamping of the video signals is performed
downstream by digital fine clamping within the ADV7189B.
The ADCs are configured to run in 4× oversampling mode.
STANDARD DEFINITION PROCESSOR
The ADV7189B is capable of decoding a large selection of base-
band video signals in composite, S-Video, and component
formats. The video standards supported by the ADV7189B
include PAL B/D/I/G/H, PAL60, PAL M, PAL N, PAL Nc,
NTSC M/J, NTSC 4.43, and SECAM B/D/G/K/L. The ADV7189B
can automatically detect the video standard and process it
accordingly. The ADV7189B has a 5-line, super-adaptive, 2D
comb filter that gives superior chrominance and luminance
separation when decoding a composite video signal. This highly
adaptive filter automatically adjusts its processing mode
according to video standard and signal quality with no user
intervention required. Video user controls such as brightness,
contrast, saturation, and hue are also available within the
ADV7189B.
The ADV7189B implements a patented adaptive-digital-line-
length-tracking (ADLLT) algorithm to track varying video
line lengths from sources such as a VCR. ADLLT enables the
ADV7189B to track and decode poor quality video sources
such as VCRs, noisy sources from tuner outputs, VCD players,
and camcorders. The ADV7189B contains a chroma transient
improvement (CTI) processor that sharpens the edge rate of
chroma transitions, resulting in sharper vertical transitions.
The ADV7189B can process a variety of VBI data services,
such as closed captioning (CC), wide screen signaling (WSS),
copy generation management system (CGMS), EDTV, Gemstar
1×/2×, and extended data service (XDS). The ADV7189B
is fully Macrovision certified; detection circuitry enables
Type I, Type II, and Type III protection levels to be identified
and reported to the user. The decoder is also fully robust to all
Macrovision signal inputs.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7189BBSTZ268H | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder |
| ADV7189BBSTZ268H2 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder |
| ADV7189BKST | 制造商:Analog Devices 功能描述: |
| ADV7189BKSTZ | 功能描述:IC DECODER VIDEO W/ADC 80LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7189BKSTZ10F | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder |
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