参数资料
型号: ADV7180BST48Z
厂商: Analog Devices Inc
文件页数: 46/116页
文件大小: 0K
描述: IC VID DECOD SDTV 10BIT 48LQFP
标准包装: 1
类型: 视频解码器
应用: 数码相机,手机,便携式视频
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
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
相关PDF资料
PDF描述
AD9889BBBCZ-80 TRANSMITTER HDMI/DVI 76-CSPBGA
AD8325ARUZ IC LN DVR CATV FINE-STEP 28TSSOP
MAX3430EPA+ IC TXRX RS-485 3.3V 8-DIP
VI-BWM-IV-F3 CONVERTER MOD DC/DC 10V 150W
VI-BW3-IV-F4 CONVERTER MOD DC/DC 24V 150W
相关代理商/技术参数
参数描述
ADV7180BST48Z-RL 功能描述:视频 IC 48-Lead Low Profile Quad Flat Package RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel
ADV7180BSTZ 功能描述:IC VIDEO DECODER SDTV 64-LQFP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 标准包装:250 系列:- 类型:电平移位器 应用:LCD 电视机/监控器 安装类型:表面贴装 封装/外壳:28-WFQFN 裸露焊盘 供应商设备封装:28-WQFN(4x4)裸露焊盘 包装:带卷 (TR) 其它名称:296-32523-2TPS65198RUYT-ND
ADV7180BSTZ 制造商:Analog Devices 功能描述:Video IC
ADV7180BSTZ-REEL 功能描述:IC VIDEO DECODER SDTV 64-LQFP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 标准包装:250 系列:- 类型:电平移位器 应用:LCD 电视机/监控器 安装类型:表面贴装 封装/外壳:28-WFQFN 裸露焊盘 供应商设备封装:28-WQFN(4x4)裸露焊盘 包装:带卷 (TR) 其它名称:296-32523-2TPS65198RUYT-ND
ADV7180KCP32Z 功能描述:IC VIDEO DECODER 10BIT 32LFCSP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话,手机,视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064