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參數(shù)資料
| 型號： | VT-701-DAR-356B-19M8000000 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | TCVCXO, clock |
| 英文描述： | TCVCXO, CLOCK, 19.8 MHz, CMOS OUTPUT |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED. CERAMIC, SMD, 10 PIN |
| 文件頁數(shù)： | 3/5頁 |
| 文件大小： | 0K |
| 代理商： | VT-701-DAR-356B-19M8000000 |
Vectron International 267 Lowell Road, Hudson, NH 03051 Tel: 1-88-VECTRON-1 http://www.vectron.com
Page3
VCXO Feature: The VT-701 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.
“No Adjust” Option: In applications were the VT-701 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-701-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.
S
Phase Noise Graph
VCXO Function
Test Circuit
t
R
t
F
V
OH
V
OL
50%
On Time
Period
I
DD
V
DD
V
C
I
C
15pF
4
12
3
.1μF
.01μF
+
-
+
-
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.
Although ESD protection circuitry has been designed into the VT-701, 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.
S
Table 3. Maximum Ratings
Parameter
Symbol
Rating
Unit
Storage Temperature
T
STORE
-55/125
C
Supply Voltage
V
DD
6V
Control Voltage
V
C
0/V
DD
V
ESD, Human Body Model
1500
V
ESD, Charged Device Model
1000
V
Table 4. Environmental Compliance
Parameter
Condition
Mechanical Shock
MIL-STD-883 Method 2002
Mechanical Vibration
MIL-STD-883 Method 2007
Temperature Cycle
MIL-STD-883 Method 1010
Solderability
MIL-STD-883 Method 2003
Fine and Gross Leak
MIL-STD-883 Method 1014
Resistance to Solvents
MIL-STD-883 Method 2015
Moisture Sensitivity Level
MSL1
Contact Pads
Gold over Nickel
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