VS-500A644.5313 [ETC]
Analog IC ; 模拟IC\n
| 型号： | VS-500A644.5313 |
| 厂家： | 
ETC |
| 描述： | Analog IC
|
| 文件： | 总8页 (文件大小：147K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Product Data Sheet
VS-500A
Voltage Controlled Saw Oscillator
Features
• Output Frequency @ 155 MHz to 1 GHz
• Low jitter, 1.5ps rms (typical) for 622.080 MHz, 3ps
rms (typical) for 155 MHz
• J-type package - smallest 622.080 MHz package
available
• Ideal for clock smoothing, frequency translation,
clock and data retiming applications
• 10K ECL, PECL logic levels with fast transition times
• Complementary outputs
• Low profile, surface mount package
• Output disable feature
Applications
• OC192/OC48/OC12/OC3 Clock Smoothing
• STS96/STS48/STS12/STS3/STS1 Clock Smoothing
• Frequency Translation
Description
The VS 500A is a SAW stabilized, voltage controlled
oscillator that operates at the fundamental frequency
of the internal SAW filter. This filter is a high stability,
high-Q quartz device that enables the circuit to
achieve low phase jitter performance over a wide
operating temperature range. The oscillator is housed
in a hermetically sealed J-lead surface mount
package. It has an output disable to facilitate on-
board testing.
VS-500A Voltage Controlled SAW Oscillator
Pin Information
Table 1. Pin Function
Pin
Symbol
Function
1
2
3
4
5
6
VC
OD
VCXO Control Voltage
Output Disable
GND
Output
COutput
VCC
Case and electrical ground
VCXO Output
VCXO Complimentary Output
Power Supply Voltage (5.0 V ±10%)
1. By setting OD low, the outputs are disabled and OUT is held high while Complementary OUT is held low. The threshold for Output Disable is 1.4V above VEE.
Output Disable should not be driven above mid supply and during normal operation, should be left floating (use with an open collector or 3-State gate for inter-
facing with standard logic).
Performance Characteristics
°C
Symbol
Table 2. Electrical Performance @ 25
Parameter
Minimum
155
Typical
Maximum
Units
MHz
°C
mA
V
Center Frequency, see ordering information
Operating Temperature
Supply Current
Supply Voltage
Absolute Pull Range (Vc= 0.5 to 4.5)
over temperature/aging/power supply
FN
TOP
ICC
VCC
1000
+85
70
5.5
-
-40
25
55
5
4.5
±50
APR
-
ppm
Positive Gain Transfer (freq vs Vc) 155.520MHz
Positive Gain Transfer (freq vs Vc) 622.080MHz
Linearity
KV
KV
Lin
-
-
350
200
±3
-
-
ppm/V
ppm/V
%
Frequency Stability, -40 to 85 wrt 25°C
Output Level Low1
Output Level High1
FSTAB
VOL
VOH
±150
-
-
ppm
V
V
VCC -1.95
VCC -0.98
VCC -1.63
VCC -0.75
Output Rise Time2
Output Fall Time2
tR
tF
250
250
400
400
pS
pS
Jitter @ 622.080 MHz offset from carrier
12 KHz to 20 MHz
0.230
ps rms
Jitter @ 622.080 MHz offset from carrier
50 KHz to 80 MHz
0.458
ps rms
Spurious Suppression
Data Symmetry
Control Voltage Input Impedance
Control Voltage Modulation Bandwidth
Output Current
-50
45
8
-
-
-60
49/51
10
500
-
dB
%
KΩ
kHz
mA
SYM
Zc
BW
Iout
55
12
-
20
1. Output Levels are standard 10K ECL and are fully 100K ECL compatible.
2. Transition times are measured from 20% to 80% of a full 10K ECL level swing.
Table 3. Typical Single Side-Band Phase Noise (dBc/Hz)
Offset from Carrier
VS-500A 622.080
100 Hz
-64
1kHz
-93
10kHz
-109
100kHz
-127
Vectron International • 166 Glover Avenue, Norwalk, CT 06856 • Tel: 1-88-VECTRON-1 • Fax: 1-888-FAX-VECTRON
2
VS-500A Voltage Controlled SAW Oscillator
Vectron International • 166 Glover Avenue, Norwalk, CT 06856 • Tel: 1-88-VECTRON-1 • Fax: 1-888-FAX-VECTRON
3
VS-500A Voltage Controlled SAW 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 4. Absolute Maximum Ratings
Parameter
Power Supply
Symbol
VCC
Iout
Iout
VC
Ratings
0 to +8
Unit
V
Output Current1
20
mA
mA
V
Output Current2
50
Voltage Control Range1
Voltage Control Range2
Storage Temperature
Soldering Temp./Time
VEE to VCC
VEE-0.5 to VCC+0.5
-55 TO +125
220/10
VC
V
TS
°C
TLS
°C/S
1 Limts beyond which performance can not be guaranteed.
2 Limits beyond which device life may be impaired.
Qualification Conformance
The VS-500A family passes the following Mil-Std qualification.
Table 5. Environmental Compliance
Parameter
Conditions
Mechanical Shock
Mechanical Vibration
Solderability
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
Gross and Fine Leak
Resistance to Solvents
Vectron International • 166 Glover Avenue, Norwalk, CT 06856 • Tel: 1-88-VECTRON-1 • Fax: 1-888-FAX-VECTRON
4
VS-500A Voltage Controlled SAW Oscillator
Handling Precautions
Although ESD protection circuitry has been designed into the the VS-500A, 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 eval-
uation. 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
Minimum
1000V
Charged Device Model
1000V
Minimum model values to be supplied upon completion
of qualification program.
Vectron International • 166 Glover Avenue, Norwalk, CT 06856 • Tel: 1-88-VECTRON-1 • Fax: 1-888-FAX-VECTRON
5
VS-500A Voltage Controlled SAW Oscillator
Vectron International • 166 Glover Avenue, Norwalk, CT 06856 • Tel: 1-88-VECTRON-1 • Fax: 1-888-FAX-VECTRON
6
VS-500A Voltage Controlled SAW Oscillator
Figure 8. Tape Reel Drawing
Table 7. Tape and Reel Dimensions (mm)
Tape Dimensions
Reel Dimensions
# Per Reel
Product
A
B
C
D
E
F
G
H
I
J
K
L
VS-500A
24
11.5
1.5
4
12
1.78
21
13
100
5
25
330 200
Ordering Information
Table 8. Available Frequencies (MHz)
155.520
166.6286
625.000
156.250
311.040
644.5313
161.1328
622.080
666.5143
Vectron International • 166 Glover Avenue, Norwalk, CT 06856 • Tel: 1-88-VECTRON-1 • Fax: 1-888-FAX-VECTRON
VS-500A Voltage Controlled SAW Oscillator
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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.
© 2000, Vectron International
Printed in USA 6/00
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