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PDF CF5011 Data sheet ( Hoja de datos )
| Número de pieza | CF5011 | |
| Descripción | 1.8V Crystal Oscillator Module ICs | |
| Fabricantes | Nippon Precision Circuits | |
| Logotipo |  |
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CF5011 series
1.8V Crystal Oscillator Module ICs
OVERVIEW
The CF5011 series are low-voltage crystal oscillator module ICs that operate at 1.8V. The crystal oscillator cir-
cuit and output buffer employ a low-voltage CMOS process operating at 1.8V. The crystal oscillator circuit has
a built-in thin-film feedback resistor with good temperature characteristics and built-in capacitors with excel-
lent frequency response, making possible a stable 3rd-harmonic oscillator with only the addition of a crystal
element.
FEATURES
I 3rd-harmonic oscillation
I 1.6 to 2.0V operating supply voltage range
I 30 to 70MHz recommended operating frequency
range
I Inverter amplifier feedback resistor built-in
I Oscillator capacitors CG , CD built-in
SERIES CONFIGURATION
I Standby function
I fO output frequency (oscillator frequency)
I 8mA output drive capability (VDD = 1.6V)
I CMOS output duty level
I Chip form (CF5011×××)
Version
Recommended
operating
frequency [MHz]
CF5011ALA
CF5011ALB1
CF5011ALC1
CF5011ALD1
30 to 40
40 to 50
50 to 60
60 to 70
CF5011ANA
30 to 40
CF5011ANB
40 to 50
CF5011ANC
50 to 60
CF5011AND
60 to 70
1. Under development
gm ratio
1.0
1.0
1.0
1.5
1.0
1.0
1.0
1.5
Built-in capacitance [pF]
CG CD
14 16
8 16
8 16
8 16
14 16
8 16
8 16
8 16
Rf [kΩ]
4.0
3.9
2.2
2.7
4.0
3.9
2.2
2.7
Note: Recommended operating frequency is not the guaranteed value but is measured using NPC’s standard crystal.
ORDERING INFORMATION
Standby function
Yes
Yes
Yes
Yes
No
No
No
No
Device
CF5011×××–1
Package
Chip form
NIPPON PRECISION CIRCUITS INC.—1
1 page  
MEASUREMENT CIRCUITS
Measurement cct 1
CF5011 series
Measurement cct 4
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Signal
Generator
C1
R1
VDD
XT
Q
XTN
INHN
VSS
R2
Q output
1.0VP−P , 10MHz sine wave input signal
C1 : 0.001µF
R1 : 50Ω
R2 : 137.5Ω
VOH
0V
X'tal
XT VDD
Q
XTN
INHN
VSS
V
VPR
RUP1 = VDD
IPR
(VPR = VSS)
RUP2 = VDD VPR
IPR
(VPR = 0.7V DD)
IPR A
Measurement cct 2
Measurement cct 5
VDD
XT
Q
XTN
INHN VSS
IOL, IZ
IZ
A
V VOL
VDD
XT
XTN
INHN
A
VSS
IRf
Rf2 =
VDD
IRf
Measurement cct 3
Load cct 1
A IDD
XT VDD
X'tal Q
XTN
INHN VSS
Q output
CL = 15pF
CL
(Including probe capacitance)
NIPPON PRECISION CIRCUITS INC.—5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet CF5011.PDF ] | |
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