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參數資料
| 型號： | ADV7190 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs |
| 中文描述： | 視頻編碼器與六10位DAC和DAC的輸出6視頻編碼器 |
| 文件頁數： | 13/69頁 |
| 文件大小： | 628K |
| 代理商： | ADV7190 |
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ADV7190/ADV7191
–13–
REV. 0
Table I. Luminance Internal Filter Specifications (4 Oversampling)
Passband
Ripple
1
(dB)
3 dB Bandwidth
2
(MHz)
Stopband
Cutoff
3
(MHz)
Stopband
Attentuation
4
(dB)
Filter Type
Filter Selection
MR04 MR03 MR02
0
0
0
0
0
1
0
1
1
0
1
0
1
1
Low-Pass (NTSC)
Low-Pass (PAL)
Notch (NTSC)
Notch (PAL)
Extended (SSAF)
CIF
QCIF
0
1
0
1
0
1
0
0.16
0.1
0.09
0.1
0.04
0.127
Monotonic
4.24
4.81
2.3/4.9/6.6
3.1/5.6/6.4
6.45
3.02
1.5
6.05
6.41
8.03
8.02
8.03
5.09
3.74
–75.2
–64.6
–87.3
–79.7
–86.6
–62.6
–88.2
NOTES
1
Passband ripple is defined to be fluctuations from the 0 dB response in the passband, measured in (dB). The passband is defined to have 0-fc frequency limits for a
low-pass filter, 0–f1 and f2–infinity for a notch filter, where fc, f1, f2 are the –3 dB points.
2
3 dB bandwidth refers to the –3 dB cutoff frequency.
3
Stopband cutoff refers to the frequency at the attenuation point referred to under Note 4.
4
Stopband Attenuation refers to the attenuation point (dB) at the frequency referred to under Note 3.
Table II. Chrominance Internal Filter Specifications (4 Oversampling)
Passband
Ripple
1
(dB)
3 dB Bandwidth
2
(MHz)
Stopband
Cutoff
3
(MHz)
Stopband
Attentuation
4
(dB)
Filter Type
Filter Selection
MR07 MR06 MR05
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1.3 MHz Low-Pass
0.65 MHz Low-Pass
1.0 MHz Low-Pass
2.0 MHz Low-Pass
3.0 MHz Low-Pass
CIF
QCIF
0
1
0
1
0
1
0
0.09
Monotonic
Monotonic
0.048
Monotonic
Monotonic
Monotonic
1.395
0.65
1.0
2.2
3.2
0.65
0.5
2.46
2.41
1.89
3.1
5.3
2.41
1.75
–83.9
–71.1
–64.43
–65.9
–84.5
–71.1
–33.1
NOTES
1
Passband ripple is defined to be fluctuations from the 0 dB response in the passband, measured in (dB). The passband is defined to have 0-fc frequency limits for a
low-pass filter, 0–f1 and f2–infinity for a notch filter, where fc, f1, f2 are the –3 dB points.
2
3 dB bandwidth refers to the –3 dB cutoff frequency.
3
Stopband cutoff refers to the frequency at the attenuation point referred to under Note 4.
4
Stopband Attenuation refers to the attenuation point (dB) at the frequency referred to under Note 3.
Each DAC can be individually powered off if not required. A
complete description of DAC output configurations is given in
the MR2 Bit Description section.
Video output levels are illustrated in Appendix 9.
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 five low-pass
responses, a CIF response and a QCIF response, as can be seen on
the following pages.
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
2
C. The variation of frequency responses can be seen on the
following pages. For more detailed plots refer to AN-562
Analog Devices’ Application note.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7190KST | 制造商:AD 制造商全稱:Analog Devices 功能描述:Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs |
| ADV7190KSTZ | 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP |
| ADV7191 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs |
| ADV7191KST | 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:54M 4X STD DEF ENCODER NON-MACRO I.C. - Tape and Reel |
| ADV7191KSTZ | 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP 制造商:Analog Devices 功能描述:IC VIDEO ENCODER |
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