CVXO-018TM-25 [ETC]
Voltage Controlled Crystal Oscillator; 压控晶体振荡器型号: | CVXO-018TM-25 |
厂家: | ETC |
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-018T Model
5X7 mm SMD, 3.3V, HCMOS
Frequency Range:
1MHz to 52MHz
Frequency Stability:
Temperature Range:
Operating:
±25ppm to ±100ppm
0°C to 70°C
(Option M)
(Option X)
-20°C to 70°C
-40°C to 85°C
-55°C to 125°C
3.3V ± 0.3V
Storage:
Designed to meet today's
requirements for 3.3V
V o l t a g e C o n t r o l l e d
Crystal Oscillator SMD
A p p l i c a t i o n s . T h e
CVXO-018T provides a
disable function for ICT
(in-circuit-testing).
Available on 16mm tape
and reel in quantities of
1K.
Input Voltage:
Control Voltage:
Settability At Nominal:
Control Range:
Input Current:
Output:
1.65V ±1.65V
1.65V ±0.25V
±100ppm Min
40mA Max
HCMOS
Load:
15pF
Symmetry:
40/60% Max @ 50% Vdd
5ns Max @ 20% to 80% Vdd
"0" = 10% Vdd Max
"1" = 90% Vdd Min
±10% Max
Rise/Fall Time:
Logic:
Linearity:
Aging:
<3ppm 1st/yr, <1ppm every year thereafter
SUGGESTED PAD LAYOUT
Dimensions inches (mm)
.055 ±.003
(1.40 ±.08)
All dimensions are Max unless otherwise specified.
.071 SQ
(1.80)
.283
(7.20)
#1
#6
#2
#5
#3
#4
.148
.055 ±.003
(1.40 ±.08)
P/N
.203
(3.75)
.075
(1.80)
(5.15)
Freq DC
.200 ±.005
(5.08 ±.13)
.200
Denotes pad 1
(5.08)
0.01uF Bypass Capacitor Recommended
RECOMMENDED REFLOW SOLDERING PROFILE
Ramp-Up
Critical Temperature
3°C/Sec Max.
Zone
Ramp-Down
6°C/Sec.
260°C
Crystek Part Number Guide
CVXO-018T X - 25 - 49.152
217°C
200°C
#1
#2
#3
#4
#5
#1 Crystek VCXO
#2 Model
150°C
Stability Indicator
#3 Temp. Range: Blank= 0/70°C
M= -20/70°C, X= -40/85°C
Blank (std)
± 100ppm
25
50
±
±
25ppm
50ppm
#4 Stability: (see Table 1)
Preheat
90 Secs. Max.
#5 Frequency in MHz: 3 or 6 decimal places
180 Secs. Max.
8 Minutes Max.
Table 1
Example:
CVXO-018TX-25-25.000
CVXO-018T-50-19.660800
260°C for
=
3.3V Tristate, -40/85°C, 40/60, 25ppm, 25.000 MHz
10 Secs. Max.
=
3.3V Tristate, 0/70°C, 40/60, 50ppm, 19.660800 MHz
NOTE: Reflow Profile with 240°C peak also acceptable.
PIN
Connection
Tri-State Function
1
2
3
4
5
6
Cont. Volt.
Tri-State
GND
Tri-State pin
Output pin
O/P
N/C
Open
Active
Active
High Z
Vdd
"1" level 2.7V Min
"0" level 0.3V Max
*Settability is the Control Voltage at which the Output Frequency is equal to the nominal Frequency.
TD-021004 Rev. D
Specifications subject to change without notice.
20
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