LM1292 Datasheet (National Semiconductor)

LM1292, Video PLL System

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.

LM1292 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 k