VC-495-DFF-305A-50.0 [VECTRON]
Voltage Controlled Crystal Oscillators; 电压控制晶体振荡器
| 型号： | VC-495-DFF-305A-50.0 |
| 厂家： | 
Vectron International, Inc |
| 描述： | Voltage Controlled Crystal Oscillators |
| 文件： | 总2页 (文件大小：93K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Voltage Controlled Crystal Oscillators
VC-490/495
Description
precision 14 x 9 mm VCXO with high
frequency crystal, standard footprint.
Features
• Small SMD HFF VCXO
• 50.0MHz to 170MHz
• 3.3V supply voltage
• -20 to +70°C / -40 to 85°C
• LVPECL / HCMOS output
• Complementary outputs available
Performance Characteristics
Parameter
Symbol Minimum Typical
Maximum
Units
Frequency:
fo
50.0
170.0
3.465
MHz
V
Supply Voltage:
VCC
3.135
3.3
Output option A LVHCMOS:
option F compl. LVPECL:
ICC
ICC
20.0
50.0
40.0
70.0
mA
mA
Output option A
option F:
LVHCMOS
complementary. LVPECL
Output load option A:
option F:
1 kOhm // 15pF
50 Ohm
Rise/Fall Time tr/tf: option A:
option F:
tR / tF
tR / tF
3.0
1.0
ns
ns
Symmetry (Duty/Cycle):
SYM
40
60
%
Temp. stab. D - 205 -20 to +70°C:
F - 305 -40 to +85°C:
FTEMP
FTEMP
-20.0
-30.0
+20.0
+30.0
ppm
ppm
Accuracy @ +25C after reflow:
FCAL
-15.0
+15.0
ppm
Aging first year:
Aging per year thereafter:
FFIRST
FAGING
-3.0
-2.0
+3.0
+2.0
ppm
ppm
Freq. vs. supply for ±5% change:
Freq. vs. load for ±10% change:
Deviation:
FSUP
FLOAD
FPULL
VC
-3.0
-1.0
±100
0.3
+3.0
+1.0
ppm
ppm
ppm
V
Control voltage:
3.0
Transfer Function:
Linearity:
positive
Lin
TS
±10
+95
%
Storage Temperature:
Package Size:
-45
°C
13.8 x 9.1 x 5.5 mm
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
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Voltage Controlled Crystal Oscillators
VC-490/495
Option A outline drawing/pad layout
Option F outline drawing/pad layout
VCXO
Pin Out Information, VC-490
Pin Out Information, VC-495
Pin
1
Function
Pin
1
Function
Control Voltage
GND, Case
RF Output
Control Voltage
N.C. (Output Enable/Disable)
GND, Case
2
2
3
3
4
Supply voltage
4
RF Output
5
Complementary RF-output
Supply Voltage
6
Standard Frequencies
61.44MHz 77.76MHz
125.0MHz
155.52MHz
166.6286MHz
167.331645MHz
Ordering Information
490
D
A
D
205
A
155.52
VC
MHz
Product Family
VC = VCXO
Output Frequency
50.0... 170.0MHz
Package
490 =13.8x9.1x5.5mm with 6 pads
495 =13.8x9.1x5.5mm with 4 pads
Temperature & Stability
D-205 = ±20ppm over -20 to +70oC
F-305 = ±30ppm over 40 to +85oC
Supply Voltage
D = +3.3V +5%
Output Type
A = LVCMOS
F = complementary. LVPECL
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
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