参数资料
型号: LM2202M/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 音频/视频放大
英文描述: 1 CHANNEL, VIDEO AMPLIFIER, PDSO20
封装: M20B
文件页数: 7/17页
文件大小: 416K
代理商: LM2202M/NOPB
Power Down Characteristics
The LM2202 includes a built-in power down spot killer to pre-
vent a flash on the screen upon power down. The LM2202’s
output voltage decreases as the device is being powered
down, thus preventing a flash on the screen. In some pream-
plifiers, the video output signal may go high as the device is
being powered down. This may cause a whiter-than-white
level at the output of the CRT driver, thus causing a flash on
the screen.
PC Board Layout Considerations
For
optimum
performance
and
stable
operation,
a
double-sided printed circuit board with adequate ground
plane and power supply decoupling as close to the V
CC pins
as possible is recommended. For suggestions on optimum
PC board layout, please see the reference section below.
Reference
Ott, Henry W,
Noise Reduction Techniques in Electronic
Systems , John Wiley & Sons, New York, 1976.
www.national.com
15
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