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參數(shù)資料
| 型號： | MAX11505 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Four-Channel, Standard-Definition Video Filter |
| 中文描述： | 四通道、標清視頻濾波器 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大小： | 247K |
| 代理商： | MAX11505 |
M
Transparent Clamps
All inputs feature transparent clamps that allow either
AC or DC input coupling. The clamp remains inactive
while the input signal is above ground, offering true DC
input coupling. If the signal goes below ground, as
occurs when it is AC-coupled, the clamp sets the sync
tip slightly below the ground level.
Input Coupling
The choice of AC- or DC-coupling the input depends
on the video source. Many DACs provide a current
output and are terminated to ground with a resistor;
such signals are conveniently DC-coupled. Use AC-
coupling when the DC level of the video signal is
unknown or outside the specified input range of the
MAX11504/MAX11505, such as SCART or V
CC
-termi-
nated DAC outputs.
DC-Coupled Inputs
If the input is DC-coupled, the input voltage must
remain above zero but not exceed the maximum input
voltage of 1.4V (typical).
AC-Coupled Inputs
If the input is AC-coupled, the transparent clamps are
active and set the lowest point of the signal at ground.
This is appropriate for unipolar signals such as Y, R, G
or B with or without sync pulse (Figure 3).
Four-Channel, Standard-Definition
Video Filter
6
_______________________________________________________________________________________
INPUT SIGNAL
OUTPUT SIGNAL
IN_
OUT_
MAX11504
MAX11505
0.32V
1.02V
0.02V
0V
0.92V
2.32V
0.32V
Figure 2. Typical DC-Coupled Signal
IN_
0.1
μ
F
DAC
ENCODER
MAX11504
MAX11505
Figure 3. Simple AC-Coupling for Unipolar Signals (Y, R, G, B).
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX11505CUB+ | 功能描述:視頻 IC 4Ch Standard-Def Video Filter 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 |
| MAX11505CUB+T | 功能描述:視頻 IC 4Ch Standard-Def Video Filter 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 |
| MAX11506 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, 6-Channel SD Plus HD/SD Selectable Video Filters and Buffers |
| MAX11506CEE | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, 6-Channel SD Plus HD/SD Selectable Video Filters and Buffers |
| MAX11506CEE+ | 功能描述:視頻 IC 6Ch SD+HD/SD Select Video Filters & Buff 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 |
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