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CF5074BのメーカーはNippon Precision Circuitsです、この部品の機能は「VCXO Module IC」です。 |
部品番号 | CF5074B |
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部品説明 | VCXO Module IC | ||
メーカ | Nippon Precision Circuits | ||
ロゴ | |||
このページの下部にプレビューとCF5074Bダウンロード(pdfファイル)リンクがあります。 Total 13 pages
CF5074B
VCXO Module IC with Built-in Varicap
OVERVIEW
The CF5074B is VCXO module IC with built-in varicap diodes. The integrated varicap diode BiCMOS pro-
cess allows the device to be fabricated on a single chip. A newly developed oscillator circuit features reduced
drive level of crystal and wide pullrange. A VCXO module can be constructed with just the connection of a
crystal unit, making the devices ideal as surface-mounted, compact VCXO modules.
FEATURES
I 2.25 to 3.6V operating supply voltage range
I 50MHz to 80MHz operating frequency range
I Varicap diode built-in
I Oscillation start-up detector function
I CMOS output duty level
I 4mA (min) output drive capability
I 15pF output load
I Standby function
• High impedance in standby mode
I BiCMOS process
I Chip form (CF5074B)
APPLICATIONS
I VCXO modules
ORDERING INFORMATION
Device
CF5074B−1
CF5074B−3
Package
Chip form
SEIKO NPC CORPORATION —1
1 Page CF5074B
ABSOLUTE MAXIMUM RATINGS
VSS = 0V unless otherwise noted.
Parameter
Supply voltage range
Input voltage range
Output voltage range
Storage temperature range
Output current
Symbol
VDD
VIN
VOUT
TSTG
IOUT
Rating
−0.5 to 7.0
−0.5 to VDD + 0.5
−0.5 to VDD + 0.5
−65 to +150
20
RECOMMENDED OPERATING CONDITIONS
VSS = 0V unless otherwise noted.
Parameter
Operating supply voltage
Output frequency
Output load capacitance
Input voltage
Operating temperature
Symbol
VDD
fOUT
CL
VIN
TOPR
Min
2.25
50
–
VSS
–40
Rating
Typ
–
–
–
–
+25
Max
3.6
80
15
VDD
+85
Unit
V
V
V
°C
mA
Unit
V
MHz
pF
V
°C
SEIKO NPC CORPORATION —3
3Pages Measurement Circuit 7
RVC = VDD
IVC
IVC A
VDD
VC
VSS
Measurement Circuit 8
Impedance
Analyzer
(HP4194A)
VC
VSS
VC input signal: 100Hz to 10kHz, 0.1Vp-p, VC = 0V
CF5074B
Measurement Circuit 9
Gain-phase
Analyzer
(HP4194A)
Modulation
signal
C1
R1
VC VDD
R2 XT
Modulaiton
Analyzer
(HP8901B)
Demodulation
signal
XTN
Q
VSS
Crystal
C1 = 20µF, R1 = R2 = 100MΩ, VDD = 3.3V
VC modulation signal: 100Hz to 100kHz, 3.3Vp-p
Load Circuit 1
Q output
CL
(Including probe capacitance)
SEIKO NPC CORPORATION —6
6 Page | |||
ページ | 合計 : 13 ページ | ||
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PDF ダウンロード | [ CF5074B データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
CF5074A | VCXO Module ICs | Nippon Precision Circuits |
CF5074B | VCXO Module IC | Nippon Precision Circuits |