LM1292 - Video PLL System

Product Overview

National Semiconductor

Datasheet Details

Part number	LM1292
Manufacturer	National Semiconductor
File Size	217.88 KB
Description	Video PLL System
Datasheet	LM1292 Datasheet
Additional preview pages of the LM1292 datasheet.

LM1292 Product details

Description

The LM1292 is a very low jitter, integrated horizontal time base solution specifically designed to operate in high performance, continuous-sync video monitors.

It automatically synchronizes to any H frequency from 22 kHz to 125 kHz and provides the drive pulse to the high power deflection circuit.

Features

n Wide continuous autosync range.
22 kHz.
125 kHz (1:5.7) with no component switching or external adjustments n No manufacturing trims required.
internal VCO capacitor trimmed on chip n No costly high-precision components needed n Very low phase jitter (below 800 ps at 125 kHz) n DC controlled H phase and duty cycle n Video mute pulse for blanking during H frequency transitions n Input sync prioritization n Clamp pulse position and width control n Continuous clamp pulse.

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Published: Mar 22, 2005 |