CXOHD4 CRYSTEKCRYSTAL [Crystek Corporation], CXOHD4 Datasheet

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CXOHD4

Manufacturer Part Number
CXOHD4
Description
Temperature Compensated Crystal Oscillator With Voltage Trim & Hermetic
Manufacturer
CRYSTEKCRYSTAL [Crystek Corporation]
Datasheet
Frequency Range:
Frequency Stability:
Freq. Stability vs Volt:
Freq. Stability vs Load:
Temperature Range:
Storage:
Input Voltage:
Mech. Trim. Range:
Input Current:
Output:
Phase Noise Typ.:
Aging:
4 Pin SMD,
.177
(4.5)
CXOHD4 / CXOHVD4 Model
Symmetry:
Rise/Fall Time:
Output Voltage:
Load:
Supply
PWR
(18.60)
.732
CRYSTEK
Freq
DC
A
B
C
D
E
F
G
H
(Option V)
(Option Y)
3.3V & 5V, HCMOS/TTL
(22.3)
.878
-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
Temperature
mA
M
Operating
0°C to 50°C
10Hz
100HZ
1KHz
10KHz
100KHz
VM
(12.20)
.480
Table 1
1.0
P
pin 14
pin 1
1MHz to 38.88MHz
±1ppm to ±5ppm
±0.5ppm Max
±0.3ppm Max
-40°C to 85°C
-55°C to 120°C
3.3V or 5V ± 5%
±3ppm Min
Voltage Trim Pin 1
15mA Typ, 30mA Max
HCMOS/TTL
40/60% Max @ 50% Vdd
45/55% Max
4ns Typ, 10ns Max
"0" = 10% Vdd Max
"1" = 90% Vdd Min
15pF/10TTL Max
-100dBc/Hz
-130dBc/Hz
-140dBc/Hz
-145dBc/Hz
-150dBc/Hz
<1ppm Max/yr
Freq. Stability (± ppm)
1.5
A
Vdd
Option
2.0
2.0
2.0
2.0
2.0
2.0
2.0
OSC.
B
2.5
2.5
2.5
2.5
2.5
2.5
2.5
.019 ±.004
(0.5 ±0.1)
GND
C
OUT
pin 8
pin 7
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
incl Probe Cl
E
#1
#4
O/P Load
CXOHD4
OUT
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
F
.614 ±.020
(15.6 ±0.5)
Bottom
View
Specifications subject to change without notice.
Temperature Compensated
Voltage Trim Pin 1:
Control Voltage:
#3
#2
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
Voltage Trim Option
.311 ±.020
(7.9 ±0.5)
Crystal Oscillator
CXOHVD4 - B C 3 Y - 25.000
#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
Designed to meet today's
r e q u i r e m e n t s f o r t i g h t e r
frequency stability tolerance
while reducing unit cost.
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
VCTCXO Specification
Crystek Part Number Guide
#1
Available
#2
.197
(5.0)
#3
#4
#5
± 5ppm Min
(5V) 2.5V ± 2.5V
(3.3V) 1.65V ± 1.65V
PIN
1
2
3
4
#6
(4.00)
.157
TD-020815 Rev. D
VT or NC
Function
GND
OUT
#7
Vcc

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