CVXO-918T-25-49.152 [CRYSTEKMICROWAVE]
Voltage Controlled Crystal Oscillator; 压控晶体振荡器
| 型号： | CVXO-918T-25-49.152 |
| 厂家： | 
CRYSTEK CORPORATION |
| 描述： | Voltage Controlled Crystal Oscillator |
| 文件： | 总1页 (文件大小：113K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Voltage Controlled
Crystal Oscillator
CVXO-918T Model
9X14 mm SMD, 3.3V, CMOS
Frequency Range:
1MHz to 52MHz
Frequency Stability:
Temperature Range:
Operating:
±25ppm to ±100ppm
0°C to 70°C
(Option X)
-40°C to 85°C
-55°C to 125°C
3.3V ±0.3V
Storage:
Input Voltage:
Control Voltage:
Settability At Nominal:
Control Range:
Input:
1.65V ±1.35V
1.65V ±0.25V
±100ppm Min
Designed to meet today's
requirements for cost saving
solutions. The CVXO-918T
provides a Cost Savings
replacements for older style
ceramic tub designs. Available
on 16mm tape and reel in
quantities of 500pcs.
Current:
40mA Max
Impedance:
10K Ohms Min.
Modulation Bandwidth: 10KHz (-3dB) Min.
CMOS
Output:
Load:
15pF Max
Symmetry:
Rise/Fall Time:
Logic:
40/60% Max @ 50% Vdd
5ns Max @ 20% to 80% Vdd
"0" = 10% Vdd Max
"1" = 90% Vdd Min
Linearity:
Modulation Bandwidth: ±10% Max
Aging:
<3ppm 1st/yr, <1ppm every year thereafter
SUGGESTED PAD LAYOUT
0.560
(14.2)
0.050
(1.27)
0.560
(14.2)
CRYSTEK
P/N
1
6
2
5
3
4
0.360
(9.14)
0.070
(1.77)
0.210
(5.3)
0.090
(2.28)
0.280
(7.11)
Frequency
Date Code
0.100
(2.54)
0.040
(1.01)
0.200
(5.08)
RECOMMENDED REFLOW SOLDERING PROFILE
Ramp-Up
3°C/Sec Max.
Critical Temperature
Crystek Part Number Guide
CVXO-918T X - 25 - 49.152
Zone
260°C
Ramp-Down
6°C/Sec.
217°C
200°C
#1
#2
#3
#4
#5
Stability Indicator
#1 Crystek VCXO
#2 Model
150°C
Blank (std)
± 100ppm
#3 Temp. Range: Blank= 0/70°C, X= -40/85°C
#4 Stability: (see Table 1)
25
50
±
±
25ppm
50ppm
#5 Frequency in MHz: 3 or 6 decimal places
Preheat
Table 1
90 Secs. Max.
180 Secs. Max.
Example:
CVXO-918TX-25-25.000
CVXO-918T-50-19.660800
8 Minutes Max.
=
5.0V Tristate, -40/85°C, 40/60, 25ppm, 25.000 MHz
260°C for
=
5.0V Tristate, 0/70°C, 40/60, 50ppm, 19.660800 MHz
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
PIN
Connection
Tri-State Function
Tri-State pin
Output pin
1
2
3
4
5
6
Cont. Volt.
Tri-State
GND
Open
Active
Active
High Z
O/P
"1" level 2.7V Min
"0" level 0.3V Max
N/C
Vdd
*Settability is the Control Voltage at which the Output Frequency is equal to the nominal Frequency.
TD-040402 Rev. C
Specifications subject to change without notice.
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