VTC4-C3DE-12M800 [VECTRON]
Voltage Controlled Temperature Compensated Crystal Oscillator; 压控温度补偿晶体振荡器
| 型号： | VTC4-C3DE-12M800 |
| 厂家： | 
Vectron International, Inc |
| 描述： | Voltage Controlled Temperature Compensated Crystal Oscillator |
| 文件： | 总7页 (文件大小：186K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
VTC4 series
Voltage Controlled Temperature Compensated Crystal Oscillator
Features
· Clipped Sine Wave Output
· Output Frequencies to 27 MHz
· Fundamental Crystal Design
· Optional VCXO Function available
· Gold over nickel contact pads
· Hermetically Sealed Ceramic SMD package
· Product is compliant to RoHS directive
The VTC4, VCTXCO
and fully compatible with lead free assembly
Applications
· Wireless Communications
· Base Stations
· Point to point radios
· Broadband Access
· Test Equipment
· Handsets
Description
Vectron’s VTC4 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.
Vectron International 267 Lowell Road, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VTC4 Data Sheet
Performance Characteristics
Table 1. Electrical Performance for the Clipped Sine Wave Output Option
Parameter
Symbol
Min
Typical Maximum
Units
Frequency
fO
10.000
27.000
MHz
Typical Supply Voltage
Ordering option, see last page
Supply Current
10.000 MHz to < 15.000 MHz
15.000 MHz to 27.00 MHz
Output Level
2.8V, 3.0V, 3.3V or 5.0V
IDD
mA
V
1.5
2.0
2.5
Vp/p
ZVc
0.8
1
Output Load
10K II 10pf
Control Voltage Impedance
Control Voltage to reach pull
All options (5.0, 3.3,3.0 and 2.8V)
Pull Range
Ordering option, see last page
Temperature Stability
Ordering option, see last page.
Initial Accuracy, “No Adjust” option
Power Supply Stability
Load Stability
Mohm
V
0.5
TPR
±5, ±8, ±10, ±15 or ±20
ppm
ppm
±0.5 to ±5.0
±0.5
±0.2
±0.2
±1.0
ppm
ppm
ppm
Aging
ppm/year
°C
Operating temperature
Ordering option, see last page
Phase Noise, 12.800MHz
10 Hz offset
100 Hz offset
1 kHz offset
10 kHz offset
100 kHz offset
5MHz offset
Start-up time
0/55, -10/60, -20/70, -30/80, -40/85
dBc/Hz
-89
-113
-137
-150
-155
-156
2
ms
1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended.
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VTC4 Data Sheet
Figure 1. Typical Phase Noise Plot
Figure 2. Clipped Sine Wave Output
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VTC4 Data Sheet
VCXO Functional Description
VCXO Feature: The VTC4 can be ordered with a VCXO function for applications were it will be used in a
PLL, or the output frequency needs fine tune adjustments. This is a high impedance input, 1 Mohm, 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 devices.
“No Adjust” Feature: In applications were the VTC4 will be not be used in a PLL, or the output frequency
does not fine tune adjustments, the best device to use would be a VTC4-x0xxx. By using the “no adjust”
option, the circuit is simplified as Vc does not need to 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 the supply).
Outline Diagrams, Pad Layout and Pin Out
Table 2. Pinout
Pin #
1
Symbol
N/C or
VC
GND
fO
Function
No Connect (VTC4-x0xx)
or VCXO Control Voltage
Electrical and Case Ground
Output Frequency
2
3
4
VDD
Supply Voltage
NOTE: Additional pads are used to program and adjust the TCXO during manufacturing and should be left
open; do not terminate these to the supply voltage. Some designs do not include these additional pads.
Contact Pads are gold over nickel
Figure 3, Package drawing
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VTC4 Data Sheet
Tape and Reel
Table 3. Tape and Reel Dimensions (mm)
J
F
G
D
C
B
A
I
L
E
H
K
Tape Dimensions
Reel Dimensions
# Per
Product
A
B
C
D
E
F
G
H
I
J
K
L
Reel
16
7.5
1.5
4
8
1.5
20.2
13
60
2
16.4
180
VTC4
1000
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional
operation is not implied at these or any other conditions in 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.
Table 4. Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Storage Temperature
Tstorage
-55/125
°C
Reliability
The VTC4 qualification tests have included:
Table 5. Environnemental Compliance
Parameter
Conditions
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Solderability
Gross and Fine Leak
Resistance to Solvents
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
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VTC4 Data Sheet
Handling Precautions
Although ESD protection circuitry has been designed into the the VTC4, proper precautions should be taken
when handling and mounting. VI employs a Human Body Model and a Charged-Device Model (CDM) for
ESD susceptibility testing and design protection evaluation. ESD thresholds are dependent on the circuit
parameters used to define the model. Although no industry wide standard has been adopted for the CDM, a
standard HBM of resistance = 1.5kohms and capacitance = 100pF is widely used and therefore can be
used for comparison purposes.
Table 6. ESD Ratings
Model
Human Body Model
Charged Device Model
Minimum
1000
Conditions
MIL-STD-883 Method 3115
JESD 22-C101
1500
Suggested IR profile
Devices are built using lead free epoxy and can also be subjected to standard lead free IR reflow conditions,
Table 7 shows max temperatures and lower temperatures can also be used e.g. peak temperature of 220C.
Table 7. Reflow Profile (IPC/JEDEC J-STD-020B)
Parameter
PreHeat Time
Ramp Up
Symbol
t S
Value
150 sec Min, 200 sec Max
3 oC/sec Max
RUP
t L
o
Time Above 217 C
60 sec Min, 150 sec Max
480 sec Max
Time To Peak Temperature
t AMB-P
t P
o
Time At 260 C (max)
10 sec Max
Time At 240 °C (max)
Ramp Down
tp2
60 sec Max
6 oC/sec Max
RDN
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail vectron@vectron.com
6
VTC4 Data Sheet
Ordering Information
Table 8. Standard Frequency List
10.000
14.7456
18.414
24.000
12.504
15.000
19.200
24.5535
12.800
16.000
19.440
25.000
13.000
16.325291
19.680
13.568
16.367667
19.800
14.000
16.396
20.000
14.31818
16.800
21.250
14.4844
17.500
23.104
25.600
27.456
VTC4 -
-
12M800
B
0
2
C
Product Family
TCXO, 5x3.2
Output Frequency
In MHz
Voltage Options
Temperature Options
A: 0 to 55°C
A: +5.0 Vdc ±5%, Clipped Sine Output
B: +3.3 Vdc ±5%, Clipped Sine Output
C: +3.0 Vdc ±5%, Clipped Sine Output
D: +2.8 Vdc ±5%, Clipped Sine Output
B: -10 to 60°C
C: -20 to 70°C
D: -30 to 80°C
E: -40 to 85°C
Pulling Range
0: Fixed TCXO, no adjust
1: ±5ppm
Stability Options
A: ±0.5ppm
1: ±1.0ppm
B: ±1.5ppm
2: ±2.0ppm
C: ±2.5ppm
3: ±3.0 ppm
D: ±3.5ppm
2: ±8ppm
3: ±10ppm
4: ±15ppm
5: ±20ppm
Note: Not all combinations are available:
±0.5 ppm is available over 0/ 55 °C, and on a case by case basis for -10/60C. 4: ±4.0ppm
±1.0 ppm to ±5.0 ppm is available on all temperature ranges 5: ±5.0ppm
USA: Vectron International · 267 Lowell Road, Hudson, NH 03051
For Additional Information, Please Contact:
· Tel: 1-88-VECTRON-1 · Fax: 1-888-FAX-VECTRON
EUROPE: Landstrasse, D-74924, Neckarbischofsheim, Germany ·
Tel: 49 (0) 7268 8010 · Fax: 49 (0) 7268 801281
ASIA: Vectron Asia Pacific Sales 1F~2F. No.8 Workshop No.308 Fenju Rd.,
WaiGaoQiao Free Trade Zone, Pudong New Area Shanghai, China 200131
•Tel: 8621 50480777 • Fax: 8621 50481881
www.vectron.com
December 29, 2005
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail vectron@vectron.com
7
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