CRYSTEK

CXOS / CXOSV Model
14 Pin DIP, 3.3V & 5.0V, Clipped Sine
Frequency Range:
8MHz to 30MHz
3.3V limited to 25.6MHz
±1ppm to ±5ppm
±0.5ppm Max
±0.3ppm Max
-40°C to 85°C
-45°C to 90°C
3.3V or 5V ± 5%
±3ppm Min
Voltage Trim Pin 1
3mA Typ, 5mA Max
Clipped Sinewave
5V = 1.0Vpp Min
3.3V = 0.8Vpp Min
20K Ohm / 5pF Max
Frequency Stability:
Freq. Stability vs Volt:
Freq. Stability vs Load:
Temperature Range:
Storage:
Input Voltage:
Mech. Trim Range:
(Option V)
Input Current:
Output:
Output Voltage:
Load:
Phase Noise Typ.:
10Hz
100Hz
1KHz
10KHz
100KHz
Aging:
Designed to meet today's
requirements for tighter
frequency stability tolerance
while reducing unit cost.
VCTCXO Specification
-100dBc/Hz
-130dBc/Hz
-140dBc/Hz
-145dBc/Hz
-150dBc/Hz
<1ppm Max/Yr
0.720
(18.30)
Voltage Trim Pin 1:
Control Voltage:
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
*A
CRYSTEK
Freq
Part no
DC
0.157
(4.00)
0.472
(12.00)
Suggested PCB Layout
0.600
(15.24)
0.098
(2.50)
0.300
(7.62)
0.020
(0.50)
#1
ID=
#7
+
pin 14
OSC.
pin 1
0.030
(0.76)
0.150
(3.81)
0.075
(1.90)
PIN
Function
1
7
8
14
VT or NC
GND
OUT
Vcc
*A
0.178
(4.50)
0.197
(5.00)
OUT
pin 8
VM
0.300
(7.62)
0.360
(9.14)
mA
M
+
PWR
Supply
0.051
(1.30)
0.039
(1.00)
#8
+
0.150
(3.81)
0.157
(4.00) Min
0.300
(7.62)
#14
± 5ppm Min
(5V) 2.5V ± 2.5V
(3.3V) 1.65V ± 1.65V
Crystek Part Number Guide
O/P Load
(incl. Probe Cl)
pin 7
CXOSV - 4 B C 3 - 25.000
#1
#2
#3
#4
#5
#6
#7
Voltage Trim Option
Operating
Temperature
A
0°C to 50°C
B
Freq. Stability (± ppm)
1.0
2.0
2.5
3.0
4.0
5.0
-10°C to 60°C
2.0
2.5
3.0
4.0
5.0
C
-10°C to 70°C
2.0
2.5
3.0
4.0
5.0
D
-20°C to 70°C
2.0
2.5
3.0
4.0
5.0
E
-30°C to 60°C
2.0
2.5
3.0
4.0
5.0
F
-30°C to 70°C
2.0
2.5
3.0
4.0
5.0
G
-30°C to 75°C
2.0
2.5
3.0
4.0
5.0
H
-40°C to 85°C
3.0
4.0
5.0
B
C
D
E
F
P
1.5
A
Table 1
CRYSTEK
CORPORATION
#1
#2
#3
#4
#5
#6
#7
Crystek TCXO Clipped Sine
V or blank = (V = Volt. Trim) (Blank = Mech. Trim)
4 or blank = Height (4 = 4.5mm)(Blank = 5mm)
Letter = Operating Temperature (see table 1)
Letter = Frequency Stability (see table 1)
3 or blank = Input Volt (3 = 3.3 volts) (Blank= 5V)
Frequency in MHz: 3 or 6 decimal places
Example:
CXOS-4BC3-25.000 = mech. trim, 4.5mm, -10/60, ±2.5ppm, 3.3V, 25.000MHz
CXOSV-4BC3-25.000 = volt. trim, 4.5mm, -10/60, ±2.5ppm, 3.3V, 25.000MHz
Specifications subject to change without notice.
TD-020812 Rev. F
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
Fax: 239-561-1025 • www.crystek.com