CRYSTEKCRYSTAL CVXO-918TX-25

CVXO-918T Model
9X14 mm SMD, 3.3V, CMOS
Frequency Range:
Frequency Stability:
Temperature Range:
Operating:
(Option X)
Storage:
Input Voltage:
Control Voltage:
Settability At Nominal:
Control Range:
Input:
Current:
Impedance:
Modulation Bandwidth:
Output:
Load:
Symmetry:
Rise/Fall Time:
Logic:
Linearity:
Modulation Bandwidth:
Aging:
1MHz to 52MHz
±25ppm to ±100ppm
Voltage Controlled
Crystal Oscillator
ee
Fr
ad HS t
e
L
Ro plian
m
Co
0°C to 70°C
-40°C to 85°C
-55°C to 125°C
3.3V ±0.3V
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.
40mA Max
10K Ohms Min.
10KHz (-3dB) Min.
CMOS
15pF Max
40/60% Max @ 50% Vdd
5ns Max @ 20% to 80% Vdd
"0" = 10% Vdd Max
"1" = 90% Vdd Min
±10% Max
<3ppm 1st/yr, <1ppm every year thereafter
SUGGESTED PAD LAYOUT
0.560
(14.2)
0.360
(9.14)
0.050
(1.27)
0.560
(14.2)
CRYSTEK
P/N
Frequency
Date Code
1
0.210
(5.3)
6
2
5
0.100
(2.54)
3
0.070
(1.77)
4
0.040
(1.01)
0.090
(2.28)
0.280
(7.11)
0.200
(5.08)
TEMPERATURE
RECOMMENDED REFLOW SOLDERING PROFILE
260°C
Ramp-Up
3°C/Sec Max.
Crystek Part Number Guide
Critical Temperature
Zone
Ramp-Down
6°C/Sec.
217°C
CVXO-918T X - 25 - 49.152
#1
200°C
#2
#3
#4
#5
#1 Crystek VCXO
#2 Model
#3 Temp. Range: Blank= 0/70°C, X= -40/85°C
#4 Stability: (see Table 1)
#5 Frequency in MHz: 3 or 6 decimal places
150°C
Preheat
180 Secs. Max.
8 Minutes Max.
Stability Indicator
Blank (std)
25
50
Table 1
90 Secs. Max.
260°C for
10 Secs. Max.
± 100ppm
± 25ppm
± 50ppm
Example:
CVXO-918TX-25-25.000 = 5.0V Tristate, -40/85°C, 40/60, 25ppm, 25.000 MHz
CVXO-918T-50-19.660800 = 5.0V Tristate, 0/70°C, 40/60, 50ppm, 19.660800 MHz
NOTE: Reflow Profile with 240°C peak also acceptable.
PIN
1
2
3
4
5
6
Tri-State Function
Connection
Cont. Volt.
Tri-State
GND
O/P
N/C
Vdd
Tri-State pin
Output pin
Open
"1" level 2.7V Min
"0" level 0.3V Max
Active
Active
High Z
*Settability is the Control Voltage at which the Output Frequency is equal to the nominal Frequency.
Specifications subject to change without notice.
TD-040402 Rev. C