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參數資料
| 型號： | LM2202N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 230 MHz Video Amplifier System |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDIP20 |
| 封裝： | N20A |
| 文件頁數： | 1/17頁 |
| 文件大?。?/td> | 416K |
| 代理商： | LM2202N |
LM2202
230 MHz Video Amplifier System
General Description
The LM2202 is a very high frequency video amplifier system
intended for use in high resolution monochrome or RGB
color monitor applications. In addition to the wideband video
amplifier the LM2202 contains a gated differential input black
level clamp comparator for brightness control, a DC con-
trolled attenuator for contrast control and a DC controlled
sub contrast attenuator for drive control. The DC control for
the contrast attenuator is pinned out separately to provide a
more accurate control system for RGB color monitor applica-
tions. All DC controls offer a high input impedance and oper-
ate over a 0V to 4V range for easy interface to bus controlled
alignment systems. The LM2202 operates from a nominal
12V supply but can be operated with supply voltages down
to 8V for applications that require reduced IC package power
dissipation characteristics.
Features
n
Wideband video amplifier
(f
3dB
= 230 MHz at V
O
= 4 V
PP
)
n
t
r
, t
f
= 1.5 ns at V
O
= 4 V
PP
n
Externally gated comparator for brightness control
n
0V to 4V high input impedance DC contrast control
(
>
40 dB range)
n
0V to 4V high input impedance DC drive control
(
±
3 dB range)
n
Easy to parallel three LM2202s for optimum color
tracking in RGB systems
n
Output stage clamps to 0.65V and provides up to 9V
output voltage swing
n
Output stage directly drives most hybrid or discrete CRT
amplifier stages
n
Replacement for the LM1202
Applications
n
High resolution CRT monitors
n
Video switches
n
Video AGC amplifier
n
Wideband amplifier with gain and DC offset control
Block and Connection Diagram
DS012591-1
Order Number LM2202N or LM2202M
See NS Package Number N20A or M20B
April 1999
L
1999 National Semiconductor Corporation
DS012591
www.national.com
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