CXOHD4 Datasheet, PDF (1/1 Pages) Crystek Corporation – Temperature Compensated Crystal Oscillator With Voltage Trim & Hermetic

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