Datasheet > T73227-M08

T73227-M08

更新时间： 2024-11-09 08:30:51

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描述
27 MHz VCXO Clock Generator IC

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T73227-M08 数据手册

T73227

27 MHz VCXO Clock Generator IC

October 2002

1.0 Features

3.0 Description

•

One-chip tunable voltage controlled crystal oscillator

(VCXO) allows precise system frequency tuning

The T73227 is a single-chip, low-jitter Voltage-Controlled-

Crystal-Oscillator. The device accepts a 27 MHz, 20 pF

crystal, and produces a low jitter output at the same fre-

quency. A 0 to 3.0V control signal is used to fine tune the

output clock frequency in the ±100ppm range. This finds

use in systems that have frequency matching require-

ments, such as digital satellite receivers.

•

3.3V operation

8 pin SOIC and MSOP packages

Uses inexpensive 20pF pullable crystals with no

external capacitors required.

•

12mA drive capability at TTL levels

2.0 Applications

•

Set-top boxes

MPEG Video clock source

Oscillator replacement

Figure 1: Block Diagram

VDD1

VDD2

Load Cap Control

VIN

CLK

Output

Buffer

27 MHz

Pullable

Crystal

Load

Caps

Oscillator

GND2

GND1

This document contains information on a preproduction product. Specifications and information herein are subject to change without notice.

10.29.02

ISO9001

12 3 4 5

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