参数资料
型号: ADV7173KSTZ
厂商: Analog Devices Inc
文件页数: 3/60页
文件大小: 0K
描述: IC DAC VIDEO NTSC 6-CH 48LQFP
标准包装: 1
类型: 视频编码器
应用: 多媒体
电压 - 电源,模拟: 4.75 V ~ 5.25 V
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
产品目录页面: 786 (CN2011-ZH PDF)
REV. B
ADV7172/ADV7173
–11–
FILTER TYPE
FILTER SELECTION
PASSBAND RIPPLE
(dB)
3 dB BANDWIDTH
(MHz)
STOPBAND
CUTOFF (MHz)
STOPBAND
ATTENUATION (dB)
MR04
0
1
MR03
0
1
0
1
MR02
0
1
0
1
0
1
0
LOW-PASS (NTSC)
LOW-PASS (PAL)
NOTCH (NTSC)
NOTCH (PAL)
EXTENDED (SSAF)
CIF
QCIF
0.091
0.15
0.015
0.095
0.051
0.018
MONOTONIC
4.157
4.74
6.54
6.24
6.217
3.0
1.5
7.37
7.96
8.3
8.0
7.06
7.15
–56
–64
–68
–66
–61
–50
Figure 4. Luminance Internal Filter Specifications
FILTER TYPE
FILTER SELECTION
PASSBAND RIPPLE
(dB)
3 dB BANDWIDTH
(MHz)
STOPBAND
CUTOFF (MHz)
STOPBAND
ATTENUATION (dB)
MR07
0
1
MR06
0
1
0
1
MR05
0
1
0
1
0
1
0
1.3MHz LOW PASS
0.65MHz LOW PASS
1.0MHz LOW PASS
2.0MHz LOW PASS
RESERVED
CIF
QCIF
0.084
MONOTONIC
0.0645
0.084
MONOTONIC
1.395
0.65
1.0
2.2
0.7
0.5
3.01
3.64
3.73
5.0
3.01
4.08
–45
–58.5
–49
–40
–45
–50
Figure 5. Chrominance Internal Filter Specifications
FREQUENCY – MHz
0
012
2
MAGNITUDE
dB
46
8
10
–10
–20
–30
–50
–60
–40
–70
Figure 6. NTSC Low-Pass Luma Filter
FREQUENCY – MHz
0
012
2
MAGNITUDE
dB
46
8
10
–10
–20
–30
–50
–60
–40
–70
Figure 7. PAL Low-Pass Luma Filter
INTERNAL FILTER RESPONSE
The Y Filter supports several different frequency responses,
including two low-pass responses, two notch responses, an
Extended (SSAF) response with or without gain boost/attenuation,
a CIF response and a QCIF response. The UV Filter supports
several different frequency responses, including four low-pass
responses, a CIF response and a QCIF response. These can be
seen in Figures 4 to 18.
In Extended Mode there is the option of twelve responses
in the range from –4 dB to +4 dB. The desired response can
be chosen by the user by programming the correct value via
the I
2C. The variation of frequency responses can be seen in
Figures 19 to 21.
(continued from page 2)
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