CF5020ALD-2

更新时间： 2024-01-18 15:10:32

品牌	Logo	应用领域
NPC		振荡器晶体振荡器
页数	文件大小	规格书
12页	100K
描述
High-Frequency, 3rd Overtone Crystal Oscillator Module ICs

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CF5020ALD-2 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
Reach Compliance Code：	unknown	风险等级：	5.57
Is Samacsys：	N	Base Number Matches：	1

CF5020ALD-2 数据手册

CF5020 series

High-Frequency, 3rd Overtone Crystal Oscillator Module ICs

OVERVIEW

The CF5020 series are high-frequency, 3rd overtone crystal oscillator module ICs. They incorporate an oscilla-

tor circuit and an output buffer that operate at high frequency on a single chip. The oscillator circuit employs

CMOS inverters and a built-in damping resistor R , reducing the crystal current compared with existing

devices. The damping resistor R is fabricated using NPC’s unique high-precision thin-ﬁlm resistor technol-

ogy, which suppresses oscillator characteristic variations due to changes in temperature and voltage to a mini-

mum. The CF5020 series can be utilized to construct stable, high-frequency, 3rd overtone crystal oscillators.

FEATURES

ꢀ R built-in to reduce crystal current in the oscilla-

ꢀ Standby function

tor circuit

• High impedance in standby mode, oscillator stops

^ꢀLow standby current

^ꢀ2.25 to 3.6V operating supply voltage range

^ꢀRecommended operating frequency range

(varies with version)

• 2.5V operation: 60 to 155MHz

• 3.0V operation: 60 to 170MHz

^ꢀ– 40 to 85°C operating temperature range

^ꢀOscillator capacitors with excellent frequency

response built-in

• Power-saving pull-up resistor built-in

^ꢀOscillation detector function

^ꢀCMOS output duty level (1/2VDD)

^ꢀ50 5% output duty (at 1/2VDD)

^ꢀ30pF output load (3.3V operation)

^ꢀMolybdenum-gate CMOS process

^ꢀChip form (CF5020AL×)

^ꢀFeedback resistors with good temperature charac-

teristics built-in

APPLICATIONS

^ꢀCrystal oscillator modules (3rd overtone oscillation)

SERIES CONFIGURATION

Oscillator circuit constants

Standby mode

Oscillator

stop

Recommended operating

INHN

input

level

frequency range [MHz]

Built-in capacitance Feedback Damping

resistance resistance

Version

Output

state

gm ratio

2.5V operation 3.0V operation

[pF]

Rf [kΩ]

[Ω]

function

CF5020ALA

CF5020ALB

CF5020ALC

CF5020ALD

60 to 80

70 to 115

105 to 135

110 to 155

60 to 90

80 to 125

115 to 145

135 to 170

0.6

0.8

1.0

2.5

200

4.5

High

impedance

CMOS

Yes

3.3

2.2

*1. The recommended operating frequency is a yardstick value derived from the crystal used for NPC characteristics authentication. However, the oscilla-

tor frequency band is not guaranteed. Speciﬁcally, the characteristics can vary greatly due to crystal characteristics and mounting conditions, so the

oscillation characteristics of components must be carefully evaluated.

ORDERING INFORMATION

Device

Package

CF5020AL×–2

Chip form

NIPPON PRECISION CIRCUITS INC.—1

12 3 4 5 6 7...12

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