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Datasheet> All Categories > Passive components> oscillator> VT-700-FAR-3560-12M8000000
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VT-700-FAR-3560-12M8000000

Description
CMOS Output Clock Oscillator, 12.8MHz Nom, SMD, 4 PIN
CategoryPassive components    oscillator   
File Size833KB，6 Pages
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
Download Datasheet Parametric View All

VT-700-FAR-3560-12M8000000 Overview

CMOS Output Clock Oscillator, 12.8MHz Nom, SMD, 4 PIN

VT-700-FAR-3560-12M8000000 Parametric

Parameter NameAttribute value
MakerMicrosemi
Reach Compliance Codeunknown
Other featuresTR, 7 INCH
Ageing1 PPM/YEAR
maximum descent time3 ns
Frequency Adjustment - MechanicalNO
frequency stability3.5%
JESD-609 codee4
Installation featuresSURFACE MOUNT
Nominal operating frequency12.8 MHz
Maximum operating temperature55 °C
Minimum operating temperature
Oscillator typeCMOS
Output load15 pF
physical size7.0mm x 5.0mm x 2.0mm
longest rise time3 ns
Maximum supply voltage3.15 V
Minimum supply voltage2.85 V
Nominal supply voltage3 V
surface mountYES
Terminal surfaceGold (Au) - with Nickel (Ni) barrier

VT-700-FAR-3560-12M8000000 Preview

Temperature Compensated Crystal Oscillator
Previous Vectron Model VTC1
VT-700
VT-700
Description
Vectron’s VT-700 Temperature Compensated Crystal Oscillator (TCXO) is a quartz stabilized, clipped sine wave output or CMOS
output, analog temperature compensated oscillator, operating off either a 2.8, 3.0, 3.3 or 5.0 volt supply, hermetically sealed 5x7
ceramic package.
Features
•
•
•
•
•
•
Clipped Sine Wave or CMOS Output
Output Frequencies to 40 MHz
Fundamental Crystal Design
Optional VCXO Function available
Gold over nickel contact pads
Hermetically Sealed Ceramic SMD package
•
•
•
•
•
•
Applications
Wireless Communications
Base Stations
Point to point radios
Broadband Access
Test Equipment
Handsets
• Product is compliant to RoHS directive
and fully compatible with lead free assembly
Block Diagram
V
DD
Crystal
Output
Analog
Temperature
Comp.
Vcontrol or NC
Gnd
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page1
Performance Specifications
Specifications
Table 1. Electrical Performance, Clipped Sine Wave Option
Parameter
Output Frequency, +5V option
+2.8, +3.0, +3.3V options
Supply Voltage
1
Supply Current, 8 to 14.999MHz
15.000 to 25.9999MHz
26.000 to 39.9999MHz
40.000MHz
Operating Temperature
Stability Over Operating Temperature
Initial Accuracy, “No Adjust” Option
2
Power Supply Stability
Load Stability
Aging
Pull Range
Control Voltage to reach Pull Range
Control Voltage Impedance
Output Level
3
Output Load
Phase Noise, 10.000MHz
10Hz
100Hz
1kHz
10kHz
100kHz
Start Up Time
1. The VT-700 power supply pin should be filtered, eg, a 0.1 and 0.01uf capacitor.
2. Initial Accuracy is ±2.0ppm after 2 IR Reflows.
3. The Output is AC coupled.
-94
-118
-135
-147
-152
2
V
O
p/p
TPR
0.5
1
0.8
10K II 10pF
dBc/Hz
±5, ±8, ±10, ±12
2.5
Symbol
f
O
V
DD
I
DD
Min.
10
8
Typ
Max
27
40
Units
MHz
V
+2.8, +3.0, +3.3 or +5.0
1.5
2.0
2.5
3.0
0/55, -10/60, -20/70, -30/80, -40/85
±0.5, ±1.0, ±.5, ±2.0, ±2.5, ±3.0, ±4.0, ±5.0
±1.0
±0.2
±0.2
±1.0
mA
T
OP
°C
ppm
ppm
ppm
ppm
ppm/yr
ppm
V
Mohm
V
ms
Clipped Sine Wave Output
Phase Noise for a Clipped Sinewave Output
Description
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page2
Performance Specifications
Specifications
Table 2. Electrical Performance, CMOS Option
Parameter
Output Frequency
Supply Voltage
1
Supply Current
Operating Temperature
Stability Over Operating Temperature
Initial Accuracy, “No Adjust” Option
2
Power Supply Stability
Load Stability
Aging
Pull Range
Control Voltage to reach Pull Range
Control Voltage Impedance
Output Level
3
Output Logic High
Output Logic Low
Output Logic High Drive
Output Logic Low Drive
Rise and Fall Time
4
Output Load
Phase Noise, 10.000MHz
10Hz
100Hz
1kHz
10kHz
100kHz
Start Up Time
1. The VT-700 power supply pin should be filtered, eg, a 0.1 and 0.01uf capacitor.
2. Initial Accuracy is ±2.0ppm after 2 IR Reflows.
3. The Output is DC coupled.
4. Rise and Fall time are measured at 20/80% levels.
-95
-121
-143
-154
-155
2
V
OH
V
OL
I
OH
I
OL
t
R
/t
F
TPR
0.5
1
0.9*VDD
4
±5, ±8, ±10, ±12
2.5
Symbol
f
O
V
DD
I
DD
T
OP
Min.
10
3.135
Typ
3.3
Max
40
3.465
10
Units
MHz
V
mA
°C
ppm
ppm
ppm
ppm
ppm/yr
ppm
V
Mohm
V
V
mA
mA
ns
pF
dBc/Hz
0/55, -10/60, -20/70, -30/80, -40/85
±0.5, ±1.0, ±.5, ±2.0, ±2.5, ±3.0, ±4.0, ±5.0
±1.0
±0.3
±0.2
±1.0
0.1*VDD
-4
3
15
ms
Phase Noise
Description
Allan Deviation
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page3
Outline Drawing
Recommended Pad Layout
5.7
FREQUENCY
Date Code
1.2
Keep Out Area
4.2
1.8
Dimensions in mm
Table 3. Pinout
Pin #
1
2
3
4
Symbol
V
C
GND
f
o
V
DD
Function
TCXO Control Voltage or Ground
Electrical and Lid Ground
Output Frequency
Supply Voltage
VCXO Function
VCXO Feature:
The VT-700 can be ordered with a VCXO function for applications were it will be used in a PLL, or the output frequency
needs fine tune or calibration adjustments. This is a high impedance input , 1Mohm, and can be driven with an op-amp or terminated with
adjustable resistors etc.
Pin 1 should not be left floating on the VCXO optional device.
S
“No Adjust” Option:
In applications were the VT-700 will not be used in a PLL , or the output frequency does not need fine tune
adjustments, the best device to use would be a VT-700-xxx-xxx0 By using the “no adjust” option, the circuit is simplified as Vc does not
need to be adjusted or set to a predetermined voltage and pin 1 should be grounded (pin 1 can be left open but should not be set to a
voltage such as an RF signal or power supply voltage.
Maximum Ratings
Absolute Maximum Ratings and Handling Precautions
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not implied or any other
excess of conditions represented in the operational sections of this data sheet. Exposure to absolute maximum ratings for extended
periods may adversely affect device reliability.
S
Although ESD protection circuitry has been designed into the VT-700, proper precautions should be taken when handling and mounting,
VI employs a Human Body Model and Charged Device Model for ESD susceptibility testing and design evaluation.
ESD thresholds are dependent on the circuit parameters used to define the model. Although no industry standard has been adopted for
the CDM a standard resistance of 1.5kOhms and capacitance of 100pF is widely used and therefor can be used for comparison purposes.
Table 4. Maximum Ratings
Parameter
Storage Temperature
Supply Voltage
Control Voltage
ESD, Human Body Model
ESD, Charged Device Model
Symbol
T
STORE
V
DD
V
C
Rating
-55/125
6
0/V
DD
1500
1000
Unit
ºC
V
V
V
V
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page4
Table 5. Environmental Compliance
Parameter
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Solderability
Fine and Gross Leak
Resistance to Solvents
Moisture Sensitivity Level
Contact Pads
Condition
MIL-STD-883 Method 2002
MIL-STD-883 Method 2007
MIL-STD-883 Method 1010
MIL-STD-883 Method 2003
MIL-STD-883 Method 1014
MIL-STD-883 Method 2015
MSL1
Gold over Nickel
Suggested IR Profile
Devices are built using lead free epoxy and can be subjected to standard lead free IR reflow conditions shown in Table 5. Contact pads are
gold over nickel and lower maximum temperatures can also be used, such as 220C.
Table 6. Reflow Profile
Parameter
PreHeat Time
Ts-min
Ts-max
Ramp Up
Time above 217C
Time to Peak Temperature
Time at 260C
Time at 240C
Ramp down
The
Reliability
IR Reflow
S
Symbol
t
s
Value
200 sec Max
150°C
200°C
3ºC/sec Max
150 sec Max
480 sec Max
10 sec Max
60 sec Max
6ºC/sec Max
R
UP
t
L
t
AMB-P
t
P
t
P2
R
DN
Tape & Reel
Table 7. Tape and Reel Information
Tape Dimensions (mm)
W
16
F
7.5
Do
1.5
Po
4
P1
8
A
180
B
1.5
Reel Dimensions (mm)
C
13
D
20.2
N
60
W1
16.4
W2
20.4
#/Reel
1000
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page5
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