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参数资料
| 型号： | FMS6414CS |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | Dual Channel Video Drivers with Integrated Filters |
| 中文描述： | 2 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封装： | SOIC-8 |
| 文件页数： | 3/7页 |
| 文件大小： | 34K |
| 代理商： | FMS6414CS |
FMS6414
PRODUCT SPECIFICATION
REV. 1.0.1 6/27/02
3
Functional Description
Introduction
The FMS6414 is a monolithic continuous time video lter
designed for reconstructing the luminance, chrominance,
or composite video signals from D/A source. The chip is
intended for use in applications with AC coupled input and
AC coupled outputs. (See Figure 1) The reconstruction lters
approximate a 4th-order Butterworth characteristic with an
optimization toward low over-shoot and at group delay.
The video outputs are each capable of driving 2VP-P into an
AC coupled 150
video load, with up to 35pF of load
capacitance at the output pin. The channel is clamped during
sync to establish the appropriate output voltage swing range.
Thus the input coupling capacitors do not behave according
to the conventional RC time constant. Clamping for all
channels settles to less than 10mv within 5ms of a change in
video input source. In most applications the input coupling
capacitors are 0.1F. The input typically sinks 1A during
active video, which nominally tilts a horizontal line by about
2mV at the Video output. During sync, the clamp typically
sources 20A to restore the DC level. The net result is that
the average input current is zero. Any change in the input
coupling capacitor’s value will inversely alter the amount of
tilt per line. Such a change will also linearly affect the clamp
response time. This product is robust and stable under all
stated load and input conditions. Capacitive bypassing VCC
directly to ground ensures this performance.
Video I/O
The video inputs are driven by either a low impedance
source of 1VP-P or the output of a 75
terminated line.
The input is required to be AC coupled via a 0.1F coupling
capacitor which allows for a settling time of 5ms. The video
output is capable of driving an AC coupled 150
load at
2VP-P, or 1VP-P into a 75
load. Up to 35pF of load
capacitance (at the output pin) can be driven without stability
or slew issues. The output is AC coupled with a 220F or
larger AC coupling capacitor.
Typical Applications Diagram
Figure 1.
1
NC (Reserved)
2
3
GND_VIDEO
4
COUT
NC (Reserved)
VCC_VIDEO
8
7
6
5
FMS6414
SYNC STRIP,
REF, AND TIMING
gM
x2
1V
gM
1V
YIN
YOUT
0.1
F
220
F
1
F
0.1
F
Video Cable
75
75
+5.0V
COUT
220
F
Video Cable
75
75
CIN
0.1
F
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相关代理商/技术参数 |
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| FMS6414CS_Q | 功能描述:视频 IC 75 Ohm Cable-Driver Dual Channel 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 |
| FMS6414CSX | 功能描述:视频 IC 77 Ohm Cable-Driver Dual Channel 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 |
| FMS6414DEMO | 功能描述:视频 IC 76 Ohm Cable-Driver Dual Channel 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 |
| FMS6417 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Selectable RGB (YUV) HD/SD Video Filter Driver with Y, C, Composite, and Modulator Outputs |
| FMS6417A | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Selectable RGB (YUV) HD/SD Video Filter Driver with Y, C, Composite, and Modulator Outputs |
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