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LM2438 Fiches technique(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce LM2438
Description  Monolithic Triple 13.5 ns CRT Driver
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2438 Fiches technique(HTML) 1 Page - National Semiconductor (TI)

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LM2438
Monolithic Triple 13.5 ns CRT Driver
General Description
The LM2438 is an integrated high voltage CRT driver circuit
designed for use in color monitor applications. The IC con-
tains three high input impedance, wide band amplifiers
which directly drive the RGB cathodes of a CRT. Each chan-
nel has its gain internally set to −14 and can drive CRT ca-
pacitive loads as well as resistive loads present in other ap-
plications, limited only by the package’s power dissipation.
The IC is packaged in an industry standard 9-lead TO-220
molded plastic power package. See Thermal Considerations
section.
Features
n Well matched with LM1279 video preamp
n 0V to 5V input range
n Stable with 0–20 pF capacitive loads and inductive
peaking networks
n Convenient TO-220 staggered lead package style
n Standard LM243X Family Pinout which is designed for
easy PCB layout
Applications
n 1024 x 768 displays up to 60 Hz refresh
n Pixel clock frequencies up to 60 MHz
n Monitors using video blanking
Schematic and Connection Diagrams
DS101043-1
FIGURE 1. Simplified Schematic Diagram
(One Channel)
DS101043-2
Note: TabisatGND
Top View
Order Number LM2438T
August 1999
© 1999 National Semiconductor Corporation
DS101043
www.national.com


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