Datasheet > CF5008A3-2

CF5008A3-2

更新时间： 2024-02-09 05:33:26

品牌	Logo	应用领域
NPC		/
页数	文件大小	规格书
9页	156K
描述
Oscillator, 7.5MHz Nom, CMOS,

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技术参数
数据手册

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CF5008A3-2 技术参数

是否Rohs认证：	符合	生命周期：	Contact Manufacturer
Reach Compliance Code：	unknown	风险等级：	5
标称工作频率：	7.5 MHz	最高工作温度：	80 °C
最低工作温度：	-20 °C	最大输出低电流：	8 mA
封装等效代码：	DIE OR CHIP	电源：	3/5 V
认证状态：	Not Qualified	子类别：	Other Oscillators
最大压摆率：	58 mA	技术：	CMOS
Base Number Matches：	1

CF5008A3-2 数据手册

CF5008 s eries

FUNCTIONAL DESCRIPTION

Standby Function

The oscillator output on Q changes as shown in the following table when INH goes LOW.

INH

HIGH (or open)

LOW

Oscillator

Normal operation

High impedance

TYPICAL APPLICATION CIRCUIT

Typical circuit structures (C and C ) that use a varicap device have a reduced frequency range due to the

effects of parasitic capacitance. The CF5008 series, however, have built-in components C and R that are

connected in series with the varicap device, increasing the frequency output range.

VCXO Module

VDD

VSS

VCC

GND

X'tal

Control

Input

1/2

Output

VARI-CAP

INH

Output

Enable

Control Circuits

XT2

RB2

CF5008

PARASITIC CAPACITANCE

Parasitic capacitance are unwanted capacitance effects that occur due to the junction capacitance where the

protection diodes and transistor drains are connected to the substrate. The following equivalent circuit ﬁgure

shows the calculated parasitic capacitances. The surface area for each component is calculated from the IC lay-

out pattern, and the capacitance calculated per unit area.

Rf 150k

20p

2.4p

5.01p

VDD

VSS

10p

1/2

70p

100k

4.7p

Control Circuits

XT2

INH

50k

NIPPON PRECISION CIRCUITS—5

1 2 3 456 7 8 9

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