Datasheet > MK2058-01

MK2058-01

更新时间： 2024-11-27 22:17:39

品牌	Logo	应用领域
矽成 - ICSI		衰减器通信时钟
页数	文件大小	规格书
10页	144K
描述
Communications Clock Jitter Attenuator

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MK2058-01 数据手册

MK2058-01

Communications Clock Jitter Attenuator

Description

Features

The MK2058-01 is a VCXO (Voltage Controlled Crystal

Oscillator) based clock jitter attenuator designed for

system clock distribution applications. This monolithic

IC, combined with an external inexpensive quartz

crystal, can be used to replace a more costly hybrid

VCXO retiming module. The device accepts and

outputs the same clock frequency in selectable ranges

covering 4kHz to 27MHz. A dual input mux is also

provided.

• Excellent jitter attenuation for telecom clocks

• Also serves as a general purpose clock jitter

attenuator for distributed system clocks and

recovered data or video clocks

• 2:1 Input MUX for input reference clocks

• VCXO-based clock generation offers very low jitter

and phase noise generation

• Output clock is phase and frequency locked to the

selected input reference clock

• Fixed input to output phase relationship

By controlling the VCXO frequency within a

phase-locked loop (PLL), the output clock is phase and

frequency locked to the input clock. Through selection

of external loop filter components, the PLL loop

bandwidth and damping factor can be tailored to meet

system clock requirements. A loop bandwidth down to

the Hz range is possible.

• +115ppm minimum crystal frequency pullability

range, using recommended crystal

• Industrial temperature range

• Low power CMOS technology

• 20 pin SOIC package

• Single 3.3V power supply

Block Diagram

Pullable xtal

VDD

ISET

VDD

ICLK2

Input Clock

Phase

Selectable

Divider

CLK

VCXO

ICLK1

Detector

Charge

Pump

ISEL

SEL2:0

CHGP

VIN

GND

MDS 2058-01 B

Revision 071001

Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 295-9800 ● www.icst.com

12 3 4 5 6 7...10

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