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VVC4-BNB-44M736

型号：

VVC4-BNB-44M736

描述：

压控晶体振荡器[ Voltage Controlled Crystal Oscillator ]

品牌：

VECTRON[ Vectron International, Inc ]

页数：

5 页

PDF大小：

112 K

下载PDF手册
VVC4  
Voltage Controlled Crystal Oscillator  
Features  
• Vectron’s Smallest VCXO, 5.0 X 3.2 X 1.2 mm  
• High Frequencies to 77.760 MHz  
• 5.0 or 3.3 V operation  
• Linearity ≤ 10%  
• Tri-State Output for testing  
• Low jitter < 1ps RMS 12 KHz to 20 MHz  
• CMOS output  
• 0/70 or –40/85 °C temperature range  
• Hermetically sealed ceramic SMD package  
Product is compliant to RoHS directive  
and fully compatible with lead free assembly  
The VVC4 Voltage Controlled Crystal Oscillator  
Applications  
• Home Gateway  
• WIMAX  
• xDSL/PCMCIA cards  
• Digital Video  
ESD Diodes  
Description  
Vectron’s VVC4 Voltage Controlled Crystal  
Oscillator (VCXO) is a quartz stabilized square  
wave generator with a CMOS output and is  
tested at CMOS and TTL (5.0 volt operation)  
logic levels.  
Vc  
fO  
Output  
Buffer /  
Tri-state  
Input  
Buffer  
The VVC4 is the smallest available VCXO  
making it ideally suitable for applications where  
size is limited but performance is required.  
Vectron International 267 Lowell Road, Hudson NH 03051  
Tel:1-88-VECTRON-1  
e-mail: vectron@vectron.com  
VVC4 Voltage Controlled Crystal Oscillator  
Performance Characteristics  
Table 1. Electrical Performance  
Parameter  
Symbol  
fO  
VDD  
Min  
3.2500  
2.97  
Typical  
Maximum  
77.7600  
3.63  
Units  
MHz  
V
Frequency  
Supply Voltage 1  
(+3.3 V)  
(+5.0 V)  
3.3  
5.0  
8
4.5  
5.5  
15  
Supply Current  
IDD  
mA  
Output Logic Levels  
Output Logic High2  
Output Logic Low2  
Rise and Fall Time2  
<24 MHz  
VOH  
VOL  
tR / tF  
0.9*VDD  
V
V
0.1VDD  
10  
6
ns  
ns  
>24 MHz  
Tristate  
Output Enabled  
Output Disabled  
VIN  
VIL  
SYM  
2.5  
40  
V
V
%
0.7  
60  
Symmetry or Duty Cycle3  
(ordering option)  
Operating temperature (ordering option)  
50  
0/70 or –40/85  
°C  
V
V
Test Conditions for APR (+5V option)  
Test Conditions for APR (+3.3V option)  
Absolute Pull Range (ordering option)  
VC  
VC  
APR  
0.5  
0.3  
±50  
±80  
±100  
4.5  
3.0  
ppm  
Gain Transfer  
Positive  
160  
ppm/V  
KOhm  
kHz  
Input Impedance  
Control Voltage Bandwidth (-3dB)  
Phase Noise  
BW  
10  
10 Hz Offset  
100 Hz Offset  
1 KHz Offset  
10 KHz Offset  
-65  
-95  
-125  
-140  
-145  
dBc/Hz  
dBc/Hz  
dBc/Hz  
dBc/Hz  
dBc/Hz  
dBc/Hz  
mm  
100 KHz Offset  
1 MHz Offset  
Package Size  
-150  
5.0 x 3.2 x 1.2  
1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended.  
2. Figure 1 defines these parameters. Figure 2 illustrates the equivalent five gate TTL load and operating conditions under which  
these parameters are tested and specified.  
3. Symmetry is defined as (ON TIME/PERIOD with Vs= 1.4 V for TTL and Vs=2.5 V for CMOS, 5 volt operation, and Vs=1.65V  
for 3.3 Volt operation.  
tF  
tR  
IDD  
650Ω  
80%  
Vs  
6
1
2
5
3
+
-
4
VDD  
.01µF  
.1µF  
20%  
IC  
VC  
On Time  
15pF  
1.8k  
+
-
Period  
Figure 1. Output Waveform  
Figure 2. Typical Output Test Conditions (25±5°C)  
Vectron International 267 Lowell Road, Hudson NH 03051 Tel:1-88-VECTRON-1  
e-mail: vectron@vectron.com  
VVC4 Voltage Controlled Crystal Oscillator  
Outline Diagram, Pad Layout and Pin Out  
6
5
4
1
2
3
1.2 Max  
Pin #  
1
Symbol  
VC  
Function  
Control Voltage  
2
Tri-state  
Logic low disables output  
Logic high or no connection enables output waveform  
3
4
5
GND  
fO  
CMOS/TTL  
Ground  
Output Frequency  
Logic low for CMOS optimized symmetry  
Logic high or no connection for TTL optimized symmetry  
Supply Voltage  
6
VDD  
Tape and Reel  
J
F
G
D
C
B
A
I
L
E
H
K
Tape and Reel Dimensions (mm)  
Tape Dimensions  
Reel Dimensions  
# Per  
Product  
VVC4  
A
12  
B
5.5  
C
1.5  
D
4
E
8
F
1.78  
G
20.6  
H
13  
I
55  
J
6
K
12.4  
L
178  
Reel  
500  
Vectron International 267 Lowell Road, Hudson NH 03051 Tel:1-88-VECTRON-1  
e-mail: vectron@vectron.com  
VVC4 Voltage Controlled Crystal Oscillator  
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 2. Absolute Maximum Ratings  
Parameter  
Power Supply  
Storage Temperature  
Voltage Control Range  
Symbol  
VDD  
Tstorage  
VC  
Ratings  
6
-55/125  
0 to VDD  
Unit  
Vdc  
°C  
V
Reliability  
The VVC4 is capable of meeting the following qualification tests.  
Table 3. Environmental Compliance  
Parameter  
Conditions  
Mechanical Shock  
Mechanical Vibration  
Solderability  
Gross and Fine Leak  
Resistance to Solvents  
Moisture Sensitivity Level  
MIL-STD-883 Method 2002  
MIL-STD-883 Method 2007  
MIL-STD-883 Method 2003  
MIL-STD-883 Method 1014  
MIL-STD-883 Method 2016  
1
Handling Precautions  
Although ESD protection circuitry has been designed into the the VVC4, 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 4. ESD Ratings  
Model  
Human Body Model  
Charged Device Model  
Minimum  
1500  
1000  
Conditions  
MIL-STD-883 Method 3115  
JESD 22-C101  
The VVC4 is qualified to meet the JEDEC standard for Pb-Free assembly. The temperatures and time  
intervals listed are based on the Pb-Free small body requirements and parameters are listed in the table  
below. The contact pads are gold over nickel so lower IR reflow temperatures such as 220°C can be  
used (device is backwards compatible with a lead solder assembly).  
The VVC4 is hermetically sealed so an aqueous wash is not an issue.  
Table 5. Reflow Profile (IPC/JEDEC J-STD-020)  
Parameter  
Symbol  
Value  
PreHeat Time  
t S  
60 sec Min, 180 sec Max  
Ramp Up  
R UP  
t L  
3 oC/sec Max  
60 sec Min, 150 sec Max  
480 sec Max  
Time Above 217 oC  
Time To Peak Temperature  
Time At 260 oC  
t AMB-P  
t P  
20 sec Min, 40 sec Max  
6 oC/sec Max  
Ramp Down  
R DN  
Vectron International 267 Lowell Road, Hudson NH 03051 Tel:1-88-VECTRON-1  
e-mail: vectron@vectron.com  
VVC4 Voltage Controlled Crystal Oscillator  
t L  
t P  
260  
R UP  
217  
200  
R DN  
150  
t S  
t AMB-P  
25  
Time (sec)  
Standard Frequencies (MHz)  
3.600  
13.500  
32.768  
74.1758  
4.096  
16.384  
34.560  
74.250  
8.192  
19.440  
38.785  
77.760  
10.000  
27.000  
44.736  
12.960  
28.375  
51.840  
Other frequencies may be available upon request  
Ordering Information  
For Additional Information, Please Contact:  
USA: Vectron International, 267 Lowell Rd, Hudson, NH 03051 . . . . . . .  
EUROPE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
ASIA: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Tel: 1-88-VECTRON-1  
Tel: 49 (0) 7268 8010  
Tel: 86 21 5048 0777  
Fax: 1-888-FAX-VECTRON  
Fax: 49 (0) 7268 801281  
Fax: 86 21 5048 1881  
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, Hudson NH 03051 Tel:1-88-VECTRON-1  
e-mail: vectron@vectron.com  
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