LM2465 National Semiconductor, LM2465 Datasheet

LM2465

Manufacturer Part Number

LM2465

Description

Monolithic Triple 5.5 ns High Gain CRT Driver

Manufacturer

National Semiconductor

Datasheet

1.LM2465.pdf (12 pages)

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Meier Automation Equipment Co., Limited

Part Number:

LM2465TA

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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.

Schematic and Connection Diagrams

FIGURE 1. Simplified Schematic Diagram

(One Channel)

DS200190

DS200190-1

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

n Same pinout as LM2467/8/9, maintaining the standard

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

Note: Tab is at GND

peaking networks

LM243X Family pinout for easy PCB layout

Order Number LM2465TA

Top View

DS200190-2

www.national.com

March 2001

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