LM2479

120V Triple Bias Clamp

General Description

The LM2479 is an Integrated 120V triple bias clamp circuit

for DC recovery of each of the AC coupled outputs of a CRT

driver. It is well matched with the DAC outputs of the

LM126X family of pre-amplifiers. Each amplifier has its gain

internally set to -18. The IC is packaged in an industry

standard 8 lead molded DIP package.

Features

n

Wide range integrated triple bias clamp

n

High input impedance

n

Single supply operation

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Matched to the LM126X family of preamplifiers

Recommended Applications

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CRT monitors requiring DC restoration at the cathodes

Block Diagrams

Package Pinout

DS101391-1

FIGURE 1. Simplified Schematic (One Channel)

DS101391-2

FIGURE 2. LM2479 Package Pinout

Order Number LM2479NA

NS Package Number: N08E

October 2000

© 2000 National Semiconductor Corporation

DS101391

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