概述
数据手册FTVACB 概述
Voltage Controlled Crystal Oscillator (VCXO) 压控晶体振荡器（ VCXO ）
FTVACB 数据手册
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PDF下载Product Data Sheet
F-Type
Voltage Controlled Crystal Oscillator (VCXO)
Features
nIndustry Common Pinout
nCommercial or Industrial Temperature Range
nTTL or CMOS Drive Capability
nHermetic Package
n5.0 V or 3.3 V Supply
Description
The F-Type Voltage Controlled Crystal Oscillator
(VCXO) is used in a phase lock loop applications
including clock recovery and frequency translation
applications. The metal package is grounded for
improved EMI performance.
The FTV Voltage Controlled Crystal Oscillator
Pin Information
Table 1. Pin Function
Pin
1
7
8
14
Symbol
VC
GND
Output
VDD
Function
VCXO Control Voltage
Case Ground
14
1
8
7
VCXO Output
Power Supply Voltage (3.3 or 5.0 V ±10%)
Performance Characteristics
Table 2. Electrical Performance
Parameter
Symbol
To
f0
Minimum
Typical
Maximum
Units
°C
MHz
ppm
V
Operating Temperature Range
Center Frequency1
Absolute Pull Range
Supply Voltage2
Supply Current
Output Voltage Levels3
Output High
0 to 70, -20 To 70, or -40 to 85
-
1
52
+/- 20 to +/-100
3.3 or 5.0 (+/-10%)
0.45 mA/MHz
VDD
IDD
-
35
mA
VOH
VOL
0.9 VDD
-
V
V
Output Low
0.1 VDD
Transition times3
Rise Time
TR
TF
-
-
-
-
5.0
5.0
ns
ns
Fall Time
Fanout
Start-Up Time
-
-
-
2
-
10
-
0.9 VDD
10 TTL
TTL
ms
V
tsu
VC
Fo
Control Voltage
Fanout
0.1 VDD
-
-
Loads
1. Other frequencies may be available, please contact factory with your special requirements.
2. A 0.1 mF low frequency tantalum bypass capacitor in parallel with a 0.01 mF high frequency ceramic capacitor is recommended. Both should be located as close to the FTU-Type bias pin as is practical
3. Figure 1 defines these parameters. Figure 2 illustrates the equivalent TTL load and operating conditions under which these parameters are specified and tested.
TF
TR
I
DD
650W
VOH
VS
14
1
+
-
8
VDD
7
VOL
I
C
15pF
1.83k
W
On Time
+
-
V
0V
C
Period
Figure 1. Output Waveform
Figure 2. Output Test Conditions (25±5°C)
Vectron International · 267 Lowell Road, Hudson, NH 03051 · Tel: 1-88-VECTRON-1· http://www.vectron.com
1
F-Type VCXO
Table 3. ESD Threshold Voltage
Handling Precautions
Model
Threshold
Unit
Volts Min.
Volts Min.
Although protection circuitry has been designed into this
device, proper precautions should be taken to avoid exposure
to electrostatic discharge (ESD) during handling and mounting.
VTI employs a human-body model (HBM) and a charged-
device model (CDM) for ESD-susceptibility testing and
protection design evaluation.
Human-Body (HBM)
1000*
500
Charged-Device (CDM)
*Mil-STD-883D, Method 3015, Class 1
Table 4. Mechanical and Environmental Compliance
Parameter
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Gross Leak
Conditions
MIL-STD-883C, 2002.3, A
MIL-STD-883C, 2007.1, A
MIL-STD-883C, 1010, A
100% Deionized Water
MIL-STD-883C, 1014.7
2 lbs Perpendicular to Top and Bottom
MIL-STD-202E, 211A, C
MIL-STD-202E, 215
ESD voltage thresholds are dependent on the circuit
parameters used to define the mode. Although no industry-
wide standard has been adopted for the CDM, a standard HBM
(resistance = 1500W, capacitance = 100pF) is widely used and
therefore can be used for comparison purposes. The HBM
ESD threshold presented here was obtained by using these
circuit parameters.
Fine Leak
Seal Strength
Bend Test
Marking
Storage Temperature
-55°C to 125°C
Outline Diagram
VTI
FTVGCA
35.3280
743
Figure 3 Outline Diagram
Ordering Information
Table 5. Part Numbering
Example Part #
F
T
V
G
C
A
Package
Supply
Voltage (V)
VCXO
Type
Pull (ppm)
Operating
Temp. (°C)
Output
Load
4 pin DIP
VCXO
0 to 70
-40 to 85
-20 to 70
TTL
50 ±5%
TTL
50 ±10%
CMOS
50 ±5%
CMOS
50 ±10%
F
T
V
F
C
L
I
A
B
J
5.0±10%
±32
±50
D
G
H
A
3.3±10%
±100
K
±100
TPR
Other specifications may be available on request.
For Additional Information Please Contact:
USA: Vectron International · 267 Lowell Road, Hudson, NH 03051 · Tel: 1-88-VECTRON-1 · Fax: 1-888-FAX-VECTRON
EUROPE:
Tel: 49 (0) 3328 4784 17 • Fax: 49 (0) 3328 4784 30
ASIA:
Tel: +86 21 28909740 / 41 / 42 • Fax: +86 21 28909240 / 2890999
I
rev 1.2, 4/27/98, 08/16/02
Vectron International reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is assumed as a result of their use or
application. No rights under any patent accompany the sale of any such product(s) or information.
2
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