Vectron’s VT-800 Temperature Compensated Crystal Oscillator (TCXO) is a quartz stabilized, clipped sine wave output,
temperature compensated oscillator, operating off either 2.8, 3.0, 3.3 or 5.0 volt supply, hermetically sealed 3.2x5 ceramic
package.
Features
•
•
•
•
•
•
Clipped Sine Wave 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
Specifications
Specifications
Table 1. Electrical Performance
Parameter
Output Frequency, +5V option
+2.8, +3.0, +3.3V options
Supply Voltage
1
Supply Current, 10 to 14.999MHz
15.000 to 25.999MHz
26.000 to 40.000MHz
Operating Temperature,
ordering option
Stability Over T
OP,
ordering option
Initial Accuracy, “ No Adjust” Option
Power Supply Stability
Load Stability
Aging
Pull Range,
ordering option
Control Voltage to Reach Pull Range
Control Voltage Impedance
Output Level
2
Output Load
Phase Noise, 10.000MHz
10Hz
100Hz
1kHz
10kHz
100kHz
Start Up Time
1. The VT-800 power supply pin should be filtered, eg, a 0.1 and 0.01uf capacitor
2. The Output is DC coupled
-91
-116
-137
-149
-150
10
V
O
p/p
TPR
0.5
1
0.8
10K II 10pF
dBc/Hz
±5.0, ±8.0, ±10.0, ±12.0
2.5
Symbol
f
O
V
DD
I
DD
Min.
10
10
Typ
Max
27
40
Units
MHz
V
+2.8, +3.0, +3.3 or +5.0
1.5
2.0
2.5
0/55, -10/60, -20/70, -30/80, -40/85
±0.5, ±1.0, ±1.5, ±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
Outline Drawing
Recommended Pad Layout
1.1
1.4
Frequency
Date Code
2.3
Dimensions in mm
3.8
Table 2. Pinout
Pin #
1
2
3
4
Symbol
V
C
GND
f
o
V
DD
Function
TCXO Control Voltage or No Connect
Electrical and Lid Ground
Output Frequency
Supply Voltage
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page2
VCXO Feature:
The VT-800 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-800 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-800-xxx-xxx0. By using the “no adjust” option, the circuit is simplified as V
C
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.)
Clipped Sine Wave Output
Phase Noise at 10MHz
VCXO Function
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-800, 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 3. 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
-0.6/6
-0.6/V
DD
+0.6
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
Page3
Table 4. 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 5. 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
S
The
Reliability
IR Reflow
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
25C to peak
t
P
t
P2
R
DN
Tape & Reel
Table 6. 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
Page4
Ordering Information
Table 7. Standard Frequencies (MHz)
10.000
15.000
19.200
24.5454
40.000
10.245
16.000
19.440
24.5535
12.504
16.325291
19.6608
24.576
12.800
16.36625
19.680
25.000
13.000
16.367667
19.800
25.600
13.568
16.3683
20.000
26.000
14.000
16.396
20.910
27.000
14.31818
16.800
21.250
27.456
14.4844
17.500
23.104
28.800
14.7456
18.414
24.000
32.768
VT-800 - E F G - 206A -xxMxxxxxxx
Product
TCXO
Package
3.2x5 Ceramic
Voltage Options
D: +5.0 Vdc
±5%
E: +3.3 Vdc
±5%
F: +3.0 Vdc
±5%
G: +2.8 Vdc
±5%
Output
F: Clipped Sine Wave
Temp Range
R: 0/55
°C
K: -10/60
°C
J: -20/70
°C
G: -30/80
°C
E: -40/85
°C
Frequency
in MHz
Tuning
0: Fixed, No tuning
A:
±5ppm
B:
±8ppm
C:
±10ppm
D:
±12ppm
Stability
507:
±0.5ppm
106:
±1.0ppm
156:
±1.5ppm
206:
±2.0ppm
256:
±2.5ppm
306:
±3.0ppm
356:
±3.5ppm
406:
±4.0ppm
506:
±5.0ppm
Note:
Not all combination of options are available.
Other specifications may be available upon request.
Example: VT-800-EFG-206A-26M0000000
For Additional Information, Please Contact
Vectron International
267 Lowell Road, Suite 102
Hudson, NH 03051
Tel: 1.888.328.7661
Fax: 1.888.329.8328
USA:
Vectron International
Landstrasse, D-74924
Neckarbischofsheim, Germany
Tel: +49 (0) 3328.4784.17
Fax: +49 (0) 3328.4784.30
Europe:
Vectron International
68 Yin Cheng Road (C), 22
nd
Floor
One LuJiaZui
Pudong, Shanghai 200120, China
Tel: +86.21.6194.6886
Fax: +86.21.6194.6699
Asia:
Disclaimer
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.
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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