Monolithic Triple 5.5 ns High Gain CRT Driver
LM2465 Monolithic Triple 5.5 ns High Gain CRT Driver
March 2001
LM2465 Monolithic Triple 5.5 ns High Gain CRT Driver
G...
Description
LM2465 Monolithic Triple 5.5 ns High Gain CRT Driver
March 2001
LM2465 Monolithic Triple 5.5 ns High Gain CRT Driver
General Description
The LM2465 is an integrated high voltage CRT driver circuit designed for use in color monitor applications. The IC contains three high input impedance, wide band amplifiers which directly drive the RGB cathodes of a CRT. Each channel has its gain internally set to −20 and can drive CRT capacitive loads as well as resistive loads present in other applications, limited only by the package’s power dissipation. The IC is packaged in an industry standard 9-lead TO-220 molded plastic package.
Features
n Higher gain to match LM126X CMOS preamplifiers n 0V to 3.75V input range n Stable with 0–20 pF capacitive loads and inductive peaking networks n Same pinout as LM2467/8/9, maintaining the standard LM243X Family pinout for easy PCB layout n Convenient TO-220 staggered lead package style
Applications
n Up to 1280 x 1024 at 75Hz n Pixel clock frequencies up to 135 MHz n Monitors using video blanking
Schematic and Connection Diagrams
DS200190-2
Note: Tab is at GND
Top View Order Number LM2465TA
DS200190-1
FIGURE 1. Simplified Schematic Diagram (One Channel)
© 2001 National Semiconductor Corporation
DS200190
www.national.com
LM2465
Absolute Maximum Ratings (Notes 1, 3)
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Supply Voltage...
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