Datasheet > 微控制器和处理器 > 时钟发生器> NB2579ASNR2

NB2579ASNR2

更新时间： 2024-10-02 03:47:03

品牌	Logo	应用领域
安森美 - ONSEMI		晶体时钟发生器微控制器和处理器外围集成电路光电二极管
页数	文件大小	规格书
8页	116K
描述
Low Power, Reduced EMI Clock Synthesizer

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中文翻译

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技术参数
数据手册

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NB2579ASNR2 技术参数

是否无铅：	含铅	生命周期：	Obsolete
零件包装代码：	TSOP	包装说明：	TSOT-23, TSOP-6
针数：	6	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	1 week	风险等级：	5.49
Is Samacsys：	N	JESD-30 代码：	R-PDSO-G6
JESD-609代码：	e0	长度：	3 mm
端子数量：	6	最高工作温度：	70 °C
最低工作温度：		最大输出时钟频率：	40 MHz
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSOP6,.11,37	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	235
电源：	2.5/3.3 V	主时钟/晶体标称频率：	40 MHz
认证状态：	Not Qualified	座面最大高度：	1.1 mm
子类别：	Clock Generators	最大供电电压：	3.6 V
最小供电电压：	3 V	标称供电电压：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn80Pb20)
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	1.5 mm	uPs/uCs/外围集成电路类型：	CLOCK GENERATOR, OTHER
Base Number Matches：	1

NB2579ASNR2 数据手册

NB2579A

Low Power, Reduced EMI

Clock Synthesizer

The NB2579A is a versatile spread spectrum frequency modulator

designed specifically for a wide range of clock frequencies. The

NB2579A reduces ElectroMagnetic Interference (EMI) at the clock

source, allowing system wide reduction of EMI of all clock dependent

signals. The NB2579A allows significant system cost savings by

reducing the number of circuit board layers, ferrite beads and

shielding that are traditionally required to pass EMI regulations.

The NB2579A uses the most efficient and optimized modulation

profile approved by the FCC and is implemented by using a

proprietary all digital method.

The NB2579A modulates the output of a single PLL in order to

“spread” the bandwidth of a synthesized clock, and more importantly,

decreases the peak amplitudes of its harmonics. This results in

significantly lower system EMI compared to the typical narrow band

signal produced by oscillators and most frequency generators.

Lowering EMI by increasing a signal’s bandwidth is called ‘spread

spectrum clock generation’.

http://onsemi.com

MARKING

DIAGRAM*

TSOP−6

(TSOT−23−6)

SN SUFFIX

E01AYWG

CASE 318G

E01 = Specific Device Code

= Assembly Location

= Year

= Work Week

= Pb−Free Package

The NB2579A is targeted towards all portable devices with very

low power requirements like MP3 players and digital still cameras.

(Note: Microdot may be in either location)

*For additional marking information, refer to

Application Note AND8002/D.

Features

• Generates an EMI Optimized Clocking Signal at the Output

• Integrated Loop Filter Components

• Operates with a 3.3 V / 2.5 V Supply

• Operating Current less than 4.0 mA

• Low Power CMOS Design

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 7 of this data sheet.

• Input Frequency Range: 13 MHz to 30 MHz

• Generates a 1X Low EMI Spread Spectrum clock of the Input

Frequency

• Spread Spectrum Enable Control

• Frequency Deviation "1% @ 24 MHz

• Available in TSOP−6 Package (TSOT−23−6)

• Pb−Free Package is Available

Publication Order Number:

December, 2006 − Rev. 3

NB2579A/D

12 3 4 5 6 7 8

中文翻译

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与NB2579ASNR2相关器件

型号	品牌	获取价格	描述	数据表
NB2579ASNR2G	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer
NB2669A	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer
NB2669ASNR2	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer
NB2669ASNR2G	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer
NB2760A	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer
NB2760ASNR2	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer
NB2760ASNR2G	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer
NB2762A	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer
NB2762ASNR2	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer
NB2762ASNR2G	ONSEMI	获取价格	Low Power, Reduced EMI Clock Synthesizer

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