MAX3624A

更新时间： 2024-11-26 05:49:03

品牌	Logo	应用领域
美信 - MAXIM		时钟发生器
页数	文件大小	规格书
12页	387K
描述
Low-Jitter, Precision Clock Generator with Four Outputs

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数据手册

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MAX3624A 数据手册

19-5005; Rev 0; 10/09

Low-Jitter, Precision Clock Generator

with Four Outputs

MX3624A

General Description

Features

♦ Crystal Oscillator Interface: 19.375MHz to 27MHz

♦ CMOS Input: 19MHz to 40.5MHz

The MAX3624A is a low-jitter, precision clock generator

optimized for networking applications. The device inte-

grates a crystal oscillator and a phase-locked loop

(PLL) clock multiplier to generate high-frequency clock

outputs for Ethernet, Fibre Channel, SONET/SDH, and

other networking applications.

♦ Output Frequencies

Ethernet: 62.5MHz, 125MHz, 156.25MHz,

312.5MHz

Fibre Channel: 106.25MHz, 159.375MHz,

212.5MHz, 318.5MHz

Maxim’s proprietary PLL design features ultra-low jitter

(0.36ps

) and excellent power-supply noise rejec-

RMS

SONET/SDH: 77.76MHz, 155.52MHz, 311.04MHz

tion, minimizing design risk for network equipment.

♦ Low Jitter

The MAX3624A has three LVPECL outputs and one

LVCMOS output. Selectable output dividers and a

selectable feedback divider allow a range of output

frequencies.

0.14ps

0.36ps

(1.875MHz to 20MHz)

(12kHz to 20MHz)

RMS

♦ Excellent Power-Supply Noise Rejection

♦ No External Loop Filter Capacitor Required

Applications

Ethernet Networking Equipment

Fibre Channel Storage Area Network

SONET/SDH Network

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX3624AETJ+

-40°C to +85°C

32 TQFN-EP*

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

Pin Configuration and Typical Application Circuit appear at

end of data sheet.

Block Diagram

IN_SEL

BYPASS

SELA[1:0]

QAC_OE

QA_C

LVCMOS

BUFFER

SELA[1:0]

SELB[1:0]

FB_SEL[1:0]

BYPASS

RESET LOGIC/POR

RESET

DIVIDER

QA_OE

LVPECL

BUFFER

RESET

LVCMOS

REF_IN

620MHz TO 648MHz

VCO

QB1_OE

QB1

PFD

FILTER

RESET

27pF

X_IN

LVPECL

BUFFER

RESET

QB1

CRYSTAL

OSCILLATOR

DIVIDER

X_OUT

33pF

QB0_OE

QB0

DIVIDERS:

LVPECL

BUFFER

M = 16, 24, 25, 32

NA = 1, 2, 3, 4, 5, 6, 8, 10, 12

NB = 1, 2, 3, 4, 5, 6, 8, 10, 12

QB0

MAX3624A

FB_SEL[1:0]

SELB[1:0]

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...12

中文翻译

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与MAX3624A相关器件

型号	品牌	获取价格	描述	数据表
MAX3624AETJ+	MAXIM	获取价格	Low-Jitter, Precision Clock Generator with Four Outputs
MAX3624AETJ+T	MAXIM	获取价格	暂无描述
MAX3624UTJ	MAXIM	获取价格	Low-Jitter, Precision Clock Generator with Four Outputs
MAX3624UTJ+	MAXIM	获取价格	Low-Jitter, Precision Clock Generator with Four Outputs
MAX3624UTJ+T	MICROSEMI	获取价格	Clock Generator, CMOS
MAX3625	MAXIM	获取价格	Low-Jitter, Precision Clock Generator with Three Outputs
MAX3625A	MAXIM	获取价格	Low-Jitter, Precision Clock Generator with Three Outputs
MAX3625ACUG+	MAXIM	获取价格	Low-Jitter, Precision Clock Generator with Three Outputs
MAX3625ACUG+T	MAXIM	获取价格	Clock Generator
MAX3625B	MAXIM	获取价格	Low-Jitter, Precision Clock Generator with Three Outputs

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