Datasheet > ICS3726M-12T

ICS3726M-12T

更新时间： 2024-11-14 04:22:55

品牌	Logo	应用领域
矽成 - ICSI		晶体外围集成电路石英晶振压控振荡器光电二极管时钟
页数	文件大小	规格书
6页	134K
描述
HIGH PERFORMANCE VCXO

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中文翻译

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数据手册

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ICS3726M-12T 数据手册

PRELIMINARY INFORMATION

ICS3726-12

HIGH PERFORMANCE VCXO

Description

Features

The ICS3726-12 is a low cost, low-jitter,

• Packaged in 8-pin SOIC

high-performance 3.3 volt VCXO designed to replace

expensive discrete VCXOs modules. The ICS3726-12

offers a wider operating frequency range and improved

power supply noise rejection. The on-chip Voltage

Controlled Crystal Oscillator accepts a 0 to 3.3 V input

voltage. Using ICS’ patented VCXO techniques, the

device uses an inexpensive external pullable crystal in

the range of 20 to 52 MHz to produce a VCXO output

clock at that same frequency.

• Operational frequency range of 20 MHz to 52 MHz

• Uses an inexpensive external crystal

• On-chip patented VCXO with pull range of 400 ppm

• VCXO tuning voltage of 0 to VDD

• Operating voltage of 3.3 V

• 12 mA output drive capability at TTL levels

• Works with surface mount crystal with CL=10 pF

• Advanced, low-power, sub-micron CMOS process

• Available in Pb (lead) free package

This part is ideal for Set-Top Box, multimedia clock

synthesizers and ADSL/VDSL applications.

The frequency of the on-chip VCXO is adjusted by an

external control voltage input into pin VIN. Because

VIN is a high-impedance input, it can be driven directly

from an PWM RC integrator circuit. Frequency output

increases with VIN voltage input. The usable range of

VIN is 0 to VDD.

Block Diagram

VDD

VIN

Voltage

Controlled

Crystal

20 to 52 MHz

Pullable Crystal

Clock (REFOUT)

Oscillator

Optional tuning

crystal capacitors

GND

MDS 3726-12 B

Revision 120505

Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com

12 3 4 5 6

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