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PDF LM2427 Data sheet ( Hoja de datos )
| Número de pieza | LM2427 | |
| Descripción | Triple 80 MHz CRT Driver | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM2427 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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April 1995
LM2427
Triple 80 MHz CRT Driver
General Description
The LM2427 is a high performance triple CRT driver for
simplifying color monitor designs The device contains three
large signal transimpedance amplifiers and provides direct
cathode drive capability A plastic power package and pin-
to-pin compatibility make the LM2427 ideal for new designs
or as a low cost replacement for designs using the LH2426
or CR5527
Features
Y Low-cost plastic power package
Y Typical rise fall times of 3 5 ns
Y 80 MHz video bandwidth at 50 VPP with 8 pF load
Y Operation from 80V power supply
Applications
Y CRT driver for color monitors
Y Drives CRT cathode directly
Y Pin-to-pin compatible with the LH2426 and CR5527
CRT drivers
Schematic and Connection Diagrams
(One Section)
Top View
TL H 11967 – 2
Order Number LM2427T
See NS Package Number MKT-TA12A
TL H 11967 – 1
C1995 National Semiconductor Corporation TL H 11967
RRD-B30M115 Printed in U S A
1 page  
PC BOARD LAYOUT CONSIDERATIONS
Input pins 2 6 and 10 are amplifier summing junctions All
connections to these points should be as short as possible
and should be separated from other signals The compo-
nents connected to these pins should be located close to
the LM2427 and the total conductor length connected to
these points should be no more than one inch
For optimum performance an adequate ground plane isola-
tion between channels good supply bypassing and minimiz-
ing unwanted feedback are necessary Also the length of
the signal traces from the preamplifier to the LM2427 and
from the LM2427 to the CRT cathode should be as short as
possible The following references are recommended
Ott Henry W ‘‘Noise Reduction Techniques in Electronic
Systems’’ John Wiley Sons New York 1976
‘‘Guide to CRT Video Design’’ National Semiconductor Ap-
plication Note 861
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LM2427.PDF ] | |
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