CXOHD4 / CXOHVD4 Model
4 Pin SMD,
3.3V & 5V, HCMOS/TTL
Frequency Range:
Frequency Stability:
Freq. Stability vs Volt:
Freq. Stability vs Load:
Temperature Range:
Storage:
Input Voltage:
Mech. Trim. Range:
(Option V)
Input Current:
Output:
Symmetry:
(Option Y)
Rise/Fall Time:
Output Voltage:
Load:
Phase Noise Typ.:
10Hz
100HZ
1KHz
10KHz
100KHz
Aging:
.878
(22.3)
.732
(18.60)
1MHz to 38.88MHz
±1ppm to ±5ppm
±0.5ppm Max
±0.3ppm Max
ee
Fr
ad
-40°C to 85°C
Le oHS ant
R pli
-55°C to 120°C
m
Co
3.3V or 5V ± 5%
±3ppm Min
Voltage Trim Pin 1
15mA Typ, 30mA Max
Designed to meet today's
HCMOS/TTL
40/60% Max @ 50% Vdd
requirements for tighter
45/55% Max
frequency stability tolerance
4ns Typ, 10ns Max
while reducing unit cost.
"0" = 10% Vdd Max
"1" = 90% Vdd Min
VCTCXO Specification
15pF/10TTL Max
-100dBc/Hz
Voltage Trim Pin 1:
± 5ppm Min
-130dBc/Hz
Control Voltage:
(5V) 2.5V ± 2.5V
-140dBc/Hz
(3.3V) 1.65V ± 1.65V
-145dBc/Hz
-150dBc/Hz
<1ppm Max/yr
Temperature Compensated
Crystal Oscillator
Voltage Trim Option
Available
CXOHD4
PIN
.019 ±.004
(0.5 ±0.1)
#1
.480
(12.20)
#4
#2
.311 ±.020
(7.9 ±0.5)
#3
.197
(5.0)
1
2
3
4
Function
VT or NC
GND
OUT
Vcc
.177
(4.5)
CRYSTEK
Freq
DC
Bottom
View
.614 ±.020
(15.6 ±0.5)
Dimensions inches (mm)
(4.00)
All dimensions are Max unless otherwise specified.
mA
M
OUT
pin 14
Vdd
OUT
.157
pin 8
OSC.
PWR
Supply
O/P Load
incl Probe Cl
Crystek Part Number Guide
VM
pin 1
Option
GND
CXOHVD4 - B C 3 Y - 25.000
pin 7
#1
#2
#3
#4
#5
#6
#7
A
B
C
D
E
F
G
H
Operating
Temperature
0°C to 50°C
-10°C to 60°C
-10°C to 70°C
-20°C to 70°C
-30°C to 60°C
-30°C to 70°C
-30°C to 75°C
-40°C to 85°C
Freq. Stability (± ppm)
1.0
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
P
A
B
2.5
2.5
2.5
2.5
2.5
2.5
2.5
C
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
D
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
E
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
F
#1 Crystek TCXO 4 Pin SMD HCMOS/TTL
#2 V or blank = (V = Volt.Trim) (Blank = Mech. Trim)
#3 Letter = Operating Temperature (see table 1)
#4 Letter = Frequency Stability (see table 1)
#5 3 or blank = Input Volt (3 = 3.3 volts) (Blank= 5V)
#6 Y or blank = Symmetry (Y=45/55) (Blank = 40/60)
#7 Frequency in MHz: 3 or 6 decimal places
Example:
CXOHD4-BC3Y-25.000 = mech. trim, -10/60, ±2.5ppm, 3.3V, 45/55%, 25.000MHz
CXOHVD4-BCY-25.000 = volt. trim, -10/60,±2.5ppm, 3.3V, 45/55%, 25.000MHz
Table 1
Specifications subject to change without notice.
TD-020815 Rev. D
Analogue and Mixed Signal
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