Datasheet > 813N252I-09

813N252I-09

更新时间： 2024-11-08 01:10:11

品牌	Logo	应用领域
艾迪悌 - IDT		石英晶振压控振荡器
页数	文件大小	规格书
23页	698K
描述
VCXO Jitter Attenuator & FemtoClock Multiplier

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813N252I-09 数据手册

VCXO Jitter Attenuator &

813N252I-09

Datasheet

FemtoClock Multiplier

General Description

Features

The 813N252I-09 is a PLL based synchronous multiplier that is

optimized for PDH or SONET to Ethernet clock jitter attenuation and

frequency translation. The device contains two internal frequency

multiplication stages that are cascaded in series. The first stage is a

VCXO PLL that is optimized to provide reference clock jitter

attenuation. The second stage is a FemtoClock™frequency multiplier

that provides the low jitter, high frequency Ethernet output clock that

easily meets Gigabit and 10 Gigabit Ethernet jitter requirements.

Pre-divider and output divider multiplication ratios are selected using

device selection control pins. The multiplication ratios are optimized

to support most common clock rates used in PDH, SONET and

Ethernet applications. The VCXO requires the use of an external,

inexpensive pullable crystal. The VCXO uses external passive loop

filter components which allows configuration of the PLL loop

bandwidth and damping characteristics. The device is packaged in a

space-saving 32-VFQFN package and supports industrial

temperature range.

• Two LVPECL output pairs

Each output supports independent frequency selection at 25MHz,

125MHz, 156.25MHz and 312.5MHz

• Two differential inputs support the following input types: LVPECL,

LVDS, LVHSTL, SSTL, HCSL

• Accepts input frequencies from 8kHz to 155.52MHz including

8kHz, 1.544MHz, 2.048MHz, 19.44MHz, 25MHz, 77.76MHz,

125MHz and 155.52MHz

• Attenuates the phase jitter of the input clock by using a low-cost

pullable fundamental mode VCXO crystal

• VCXO PLL bandwidth can be optimized for jitter attenuation and

reference tracking using external loop filter connection

• FemtoClock frequency multiplier provides low jitter, high frequency

output

• Absolute pull range: 50ppm

• FemtoClock VCO frequency: 625MHz

• RMS phase jitter @ 125MHz, using a 25MHz crystal

(12kHz – 20MHz): 0.25ps (typical) and 0.35ps (maximum)

• 3.3V supply voltage

• -40°C to 85°C ambient operating temperature

• Available in lead-free (RoHS 6) package

Pin Assignment

32 31 30 29 28 27 26 25

LF1

LF0

VEE

nQB

ISET

V^CCO

nQA

VEE

CLK_SEL

V^CC

RESERVED

V^EE

ODASEL_0

10 11 12 13 14 15 16

813N252I-09

32 Lead VFQFN

5mm x 5mm x 0.925mm package body

3.15mm x 3.15mm EPad

K Package

Top View

Revision C, December 10, 2015

12 3 4 5 6 7...23

中文翻译

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与813N252I-09相关器件

型号	品牌	获取价格	描述	数据表
813N252I-09_15	IDT	获取价格	VCXO Jitter Attenuator & FemtoClock Multiplier
813N2532	IDT	获取价格	Jit ter At tenuator & FemtoClock NG Mult iplier
813N2532AKLF	IDT	获取价格	Clock Generator, 156.25MHz, 5 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD-2, VFQFN
813N2532AKLFT	IDT	获取价格	Clock Generator, 156.25MHz, 5 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD-2, VFQFN
813N2532CKILF	IDT	获取价格	Jit ter At tenuator & FemtoClock NG Mult iplier
813N2532CKILFT	IDT	获取价格	Jit ter At tenuator & FemtoClock NG Mult iplier
813N2532CKLF	IDT	获取价格	Jit ter At tenuator & FemtoClock NG Mult iplier
813N2532CKLFT	IDT	获取价格	Jit ter At tenuator & FemtoClock NG Mult iplier
813N2532I	IDT	获取价格	Jit ter At tenuator & FemtoClock NG Mult iplier
813-SL100.0M-28	OSCILENT	获取价格	Low-Loss 100MHz

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