Temperature Compensated Crystal Oscillators (TCXO)
Surface Mount Type TCXO (LSI Type) KT3225 Series for GPS
3.2×2.5mm
Features
• Ultra-miniature SMD type
(3.2×2.5×1.0mm)
• Freq. temp. chrst.
:
±0.5×10
−
6
/
−30
to
+85°C
• 2.3 to 3.6V drive available
• Reflow compatible
How to Order
KT3225P 27456 A C W 28 T xx
①
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
②
③ ④ ⑤ ⑥ ⑦ ⑧
⑥
Supply Voltage
28
2.8V
30
3.0V
Applications
• GPS Units
⑦
Voltage Control Range
T
TCXO
④
Lower Operating Temp.
⑧
Option Code
RoHS Compliant
⑤
Upper Operating Temp.
Packaging (Tape & Reel 3000 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, 23.104, 24.5535, 26, 27.456
vs Temperature
vs Load
vs Voltage
Per Year
Min.
—
−0.5
−0.1
−0.2
−1
−40
−30
2.3
0.8
—
—
Max.
—
+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
10k ohm / / 10pF
Dimensions
±
(Unit: mm)
Test Circuit
Recommended Land Pattern
(Unit: mm)
A
Co
POWER
SUPPLY
Vcc
4
V
1
TCXO
3
2
RL
CL
0.87
FET
PROBE
(0.50)
Spectrum Analyzer
& Counter, Oscilloscope
0.87
Test circuit
(Frequency, Harmonics and Amplitude)
±
0.78
RL 10k 10% CL 10pF 10%
CL include Probe Capacitance
Co: DC Cut Capacitance
(2.24)
0.78
Note: A capacitor of value 0.01 F between V
DD
and GND is recommended.
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