Datasheet > 550AA644M531DGR

550AA644M531DGR

更新时间： 2025-09-26 19:46:59

品牌	Logo	应用领域
思佳讯 - SKYWORKS		/
页数	文件大小	规格书
16页	279K
描述
频率(MHz):644.531 MHz;最小工作温度(℃）:-40°C;最大工作温度(℃）:85°C;安装类型:表面贴装型;封装:6-SMD，无引线;

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550AA644M531DGR 数据手册

Si550

REVISION D

VOLTAGE-CONTROLLED CRYSTAL OSCILLATOR (VCXO)

10 MHZ TO 1.4 GHZ

Features



Available with any frequency from

10 to 945 MHz and select

frequencies to 1.4 GHz



Internal fixed crystal frequency

ensures high reliability and low

aging

Available CMOS, LVPECL,

LVDS, and CML outputs

3.3, 2.5, and 1.8 V supply options

Industry-standard 5 x 7 mm

package and pinout

Si5602



3rd generation DSPLL with

superior jitter performance (0.5 ps)

3x better temperature stability than

SAW-based oscillators



Excellent PSRR performance



Pb-free/RoHS-compliant

Ordering Information:

Applications

See page 11.



SONET/SDH

xDSL

10 GbE LAN/WAN



Low-jitter clock generation

Optical modules

Clock and data recovery



Pin Assignments:

See page 10.

Description

(Top View)

The Si550 VCXO utilizes Skyworks Solutions’ advanced DSPLL circuitry to

provide a low-jitter clock at high frequencies. The Si550 supports any

frequency from 10 to 945 MHz and select frequencies to 1417 MHz. Unlike

traditional VCXOs, where a different crystal is required for each output

frequency, the Si550 uses one fixed crystal to provide a wide range of output

frequencies. This IC-based approach allows the crystal resonator to provide

exceptional frequency stability and reliability. In addition, DSPLL clock

synthesis provides superior supply noise rejection, simplifying the task of

generating low-jitter clocks in noisy environments typically found in

communication systems. The Si550 IC-based VCXO is factory-configurable

for a wide variety of user specifications, including frequency, supply voltage,

output format, tuning slope, and temperature stability. Specific configurations

are factory programmed at time of shipment, thereby eliminating the long

lead times associated with custom oscillators.

V_C

V_DD

CLK–

CLK+

GND

Functional Block Diagram

V_DD

Any-Frequency

Fixed

Frequency

10 MHz–1.4 GHz

CLK+

CLK–

DSPLL^®

Clock Synthesis

ADC

GND

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 17, 2021

12 3 4 5 6 7...16

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与550AA644M531DGR相关器件

型号	品牌	获取价格	描述	数据表
550AA669M326DG	SILICON	获取价格	Oscillator, 10MHz Min, 1417MHz Max, 669.326MHz Nom
550AA669M326DGR	SILICON	获取价格	Oscillator, 10MHz Min, 1417MHz Max, 669.326MHz Nom
550AA669M326DGR	SKYWORKS	获取价格	频率(MHz):669.326 MHz;最小工作温度(℃）:-40°C;最大工作温度(℃）
550AA669M327DGR	SILICON	获取价格	Oscillator, 10MHz Min, 1417MHz Max, 669.327MHz Nom
550AA669M327DGR	SKYWORKS	获取价格	频率(MHz):669.327 MHz;最小工作温度(℃）:-40°C;最大工作温度(℃）
550AA670M000DGR	SKYWORKS	获取价格	频率(MHz):670 MHz;最小工作温度(℃）:-40°C;最大工作温度(℃）:85°
550AA693M750DG	SILICON	获取价格	Oscillator, 10MHz Min, 1417MHz Max, 693.75MHz Nom
550AA693M750DGR	SILICON	获取价格	Oscillator, 10MHz Min, 1417MHz Max, 693.75MHz Nom
550AA693M750DGR	SKYWORKS	获取价格	频率(MHz):693.75 MHz;最小工作温度(℃）:-40°C;最大工作温度(℃）:
550AA698M812DGR	SKYWORKS	获取价格	频率(MHz):698.812 MHz;最小工作温度(℃）:-40°C;最大工作温度(℃）

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