Temperature Compensated Crystal Oscillators (TCXO)
Surface Mount Type TCXO (LSI Type) KT3225 Series for GPS
3.2×2.5mm
Features
• Miniature SMD type
(3.2×2.5×1.0mm)
• Freq. temp. characteristics.
:
±0.5×10
-
6
/
-30
to
+85°C
• 1.68 to 3.6V drive available
• Reflow compatible
• Disable Function (Option)
• Lower Operating Temp.
-40°C
(Option)
• AFC Function (Option)
• Ultra low supply current 600µA typ.
Conditions of 26MHz and 0.4Vp-p
(Option)
How to Order
KT3225K 26000 A C W 18 T xx
①
②
③ ④ ⑤ ⑥ ⑦ ⑧
⑥
Supply Voltage
18
1.8V
28
2.8V
①
Series
②
Output Frequency
③
Freq. Temp. Chrst.
A
C
E
G
W
V
U
±0.5×10
-
6
-30°C
-20°C
-10°C
+85°C
+80°C
+75°C
⑦
Voltage Control Function
T
TCXO
④
Lower Operating Temp.
⑧
Option Code
RoHS Compliant
Applications
• GPS Units
⑤
Upper Operating Temp.
Packaging (Tape & Reel 12000 pcs./ reel)
Specifications
Item
Output Frequency Range
Frequency Tolerance
Frequency Aging
Storage Temperature Range
Operating Temperature Range
Supply Voltage
Output Level
Current Consumption
Harmonics
Symbol
fo
f
_tol
f
_age
T
_stg
T
_use
V
CC
Vpp
I
CC
—
Conditions
Standard Frequency: 16.368, 16.369, 19.2, 24.5535, 26, 27.456
vs Temperature
vs Load
vs Voltage
Per Year
Min.
10
-0.5
-0.1
-0.2
-1
-40
-30
1.68
0.8
—
—
Max.
52
+0.5
+0.1
+0.2
+1
+85
+85
3.6
—
2
-5
Units
MHz
×10
-
6
×10
-
6
°C
°C
V
Vp-p
mA
dBc
Clipped Sine
*
, Load: 10k ohm / / 10pF
*
: A DC-cut capacitor is not embedded in this crystal oscillator. Connect a DC-cut capacitor (≥1nF) to the line-out terminal of the oscillator.
*
Please contact us for other specifications.
Dimensions
3.2±0.15
#4
#3
0.24
(Unit: mm)
Test Circuit
Test circuit 1
Non Enable/ Disable Function
A
Co
POWER
SUPPLY
Vcc
Recommended Land Pattern
(Unit: mm)
2.5±0.15
Marking Area
Spectrum Analyzer &
Counter, Oscilloscope
FET
PROBE
2.63
#4
#3
4
V
1
TCXO
3
2
RL
#1
#2
0.8 max.
CL
Test circuit 2
With Enable/ Disable Function
A
Co
POWER
SUPPLY
Vcc
1.6
#1
#2
0.9
Spectrum Analyzer &
Counter, Oscilloscope
FET
PROBE
#1
0.8
#2
4
V
1
E/ D
TCXO
3
2
RL
0.7
CL
#4
0.6
2.0
#3
0.6
#1pin
#2pin
#3pin
#4pin
Pin Configuration
GND/ E/ D function
GND
OUTPUT
Vcc
•
Enable/ Disable Function
Please inquire details.
RL=10kΩ±10% CL=10pF±10%
•
CL include Probe Capacitance
Co: DC Cut Capacitance
Note: A capacitor of value 0.01µF between V
CC
and GND is recommended.
0.9
1.2
DSP and ARM Processors
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