參數(shù)資料
型號(hào)： ADV7180KST48Z
廠商： Analog Devices Inc
文件頁數(shù)： 46/116頁
文件大小： 0K
描述： IC VID DECOD SDTV 10BIT 48LQFP
標(biāo)準(zhǔn)包裝： 1
類型： 視頻解碼器
應(yīng)用： 數(shù)碼相機(jī)，手機(jī)，便攜式視頻
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-LQFP（7x7）
包裝： 托盤
Data Sheet
ADV7180
Rev. I | Page 35 of 116
CHROMA FILTER
Data from the digital fine clamp block is processed by the three
sets of filters that follow. Note that the data format at this point is
CVBS for CVBS inputs, chroma only for Y/C, or U/V interleaved
for YPrPb input formats.
Chroma antialias filter (CAA). The ADV7180 oversamples
the CVBS by a factor of 4 and the chroma/YPrPb by a factor
of 2. A decimating filter (CAA) is used to preserve the active
video band and to remove any out-of-band components.
The CAA filter has a fixed response.
Chroma shaping filters (CSH). The shaping filter block
(CSH) can be programmed to perform a variety of low-pass
responses. It can be used to selectively reduce the bandwidth
of the chroma signal for scaling or compression.
Digital resampling filter. This block allows dynamic
resampling of the video signal to alter parameters such as
the time base of a line of video. Fundamentally, the resampler
is a set of low-pass filters. The actual response is chosen by
the system without user intervention.
Figure 28 shows the overall response of all filters together.
0
–20
–40
–60
–80
–100
–120
010
8
6
4
212
FREQUENCY (MHz)
AM
P
L
IT
UD
E
(
d
B
)
COMBINED Y ANTIALIAS, CCIR MODE SHAPING FILTER,
YRESAMPLE
05
70
0-
02
0
Figure 25. Combined Y Antialias, CCIR Mode Shaping Filter
0
–10
–20
–30
–40
–50
–60
–70
010
8
6
4
212
FREQUENCY (MHz)
COMBINED Y ANTIALIAS, PAL NOTCH FILTERS,
Y RESAMPLE
AM
P
L
IT
UD
E
(
d
B
)
05
70
0-
0
21
Figure 26. Combined Y Antialias, PAL Notch Filters
0
–10
–20
–30
–40
–50
–60
–70
010
8
6
4
212
FREQUENCY (MHz)
COMBINED Y ANTIALIAS, NTSC NOTCH FILTERS,
Y RESAMPLE
AM
P
L
IT
UDE
(
d
B)
05
70
0-
0
22
Figure 27. Combined Y Antialias Filter, NTSC Notch Filters
0
–10
–20
–30
–40
–50
–60
05
4
3
2
16
FREQUENCY (MHz)
COMBINED C ANTIALIAS, C SHAPING FILTER,
C RESAMPLER
AT
T
E
N
U
AT
IO
N
(
d
B
)
05
70
0-
0
23
Figure 28. Chroma Shaping Filter Responses
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參數(shù)描述
ADV7180KST48Z-RL 功能描述:視頻 IC 48-Lead Low Profile Quad Flat Package RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
ADV7180WBCP32Z 制造商:Analog Devices 功能描述:IC, 10-BIT 4X OVERSAMPLING SDTV DECODER 制造商:Analog Devices 功能描述:SDTV VIDEO DECODER 32-PIN LFCSP EP TRAY - Trays
ADV7180WBCP32Z-RL 制造商:Analog Devices 功能描述:10-BIT, 4? OVERSAMPLING SDTV VIDEO DECODER - Tape and Reel
ADV7180WBCPZ 功能描述:IC VIDEO DECODER SDTV 40LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
ADV7180WBCPZ-REEL 功能描述:IC VIDEO DECODER SDTV 40LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
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