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CF5019ALA-2 PDF预览

CF5019ALA-2

更新时间: 2024-02-09 23:35:35
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 96K
描述
High-Frequency, 3rd Overtone Crystal Oscillator Module ICs

CF5019ALA-2 技术参数

生命周期:Contact ManufacturerReach Compliance Code:unknown
风险等级:5Is Samacsys:N
Base Number Matches:1

CF5019ALA-2 数据手册

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CF5019 series  
High-Frequency, 3rd Overtone Crystal Oscillator Module ICs  
OVERVIEW  
The CF5019 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  
D
devices. The damping resistor R is fabricated using NPC’s unique high-precision thin-film resistor technol-  
D
ogy, which suppresses oscillator characteristic variations due to changes in temperature and voltage to a mini-  
mum. The CF5019 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  
D
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 (CF5019AL×)  
Feedback resistors with good temperature charac-  
teristics built-in  
APPLICATIONS  
Crystal oscillator modules (3rd overtone oscillation)  
SERIES CONFIGURATION  
Oscillator circuit constants  
Built-in capacitance Feedback Damping  
resistance resistance  
Standby mode  
Oscillator  
stop  
Recommended operating  
*1  
INHN  
input  
level  
frequency range [MHz]  
Version  
Output  
state  
gm ratio  
2.5V operation 3.0V operation  
C
[pF]  
C
[pF]  
G
D
Rf [k]  
R
[]  
function  
D
CF5019ALA  
CF5019ALB  
CF5019ALC  
CF5019ALD  
CF5019ALE  
60 to 80  
70 to 115  
105 to 135  
110 to 155  
90 to 125  
60 to 90  
80 to 125  
115 to 145  
135 to 170  
95 to 135  
0.6  
0.8  
1.0  
1.0  
0.8  
4
7
3
3
5
7
2.5  
200  
57  
57  
57  
57  
3
1
1
2
4.5  
High  
impedance  
3.3  
CMOS  
Yes  
2.2  
3.3  
*1.The recommended operating frequency is a yardstick value derived from the crystal used for NPC characteristics authentication.  
However, the oscillator 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  
CF5019AL×–2  
Chip form  
SEIKO NPC CORPORATION —1  

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