Temperature Compensated Crystal Oscillators (TCXO)
Surface Mount Type TCXO (LSI Type) KT2520 Series for GPS
2.5×2.0mm
Features
• Ultra-miniature SMD type
(2.5×2.0×0.8mm)
• Frequency deviation
: ±0.5×10
−6
/
−30
to
+85°C
• 1.7 to 3.6V drive available
• Reflow compatible
How to Order
KT2520P 27456 A C W 18 T xx
①
①
Series
②
③ ④ ⑤ ⑥ ⑦ ⑧
⑥
Supply Voltage
18
1.8V
28
2.8V
∗
Series name shall be
KT2520F for 1.8V Type.
Applications
• GPS Units
②
Output Frequency
⑦
Voltage Control Range
③
Frequency deviation
T
TCXO
A
±0.5×10
−6
⑧
Option Code
④
Lower Operating Temp.
Pb Free
RoHS Compliant
C
E
G
W
V
U
−30°C
−20°C
−10°C
+85°C
+80°C
+75°C
⑤
Upper Operating Temp.
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
1.7
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
2.50 0.15
#6
#5
#4
2.00 0.15
(Unit: mm)
Test Circuit
Recommended Land Pattern
(Unit: mm)
Test circuit
(Frequency, Harmonics and Amplitude)
A
Co
POWER
SUPPLY
Vcc
0.8 max.
#1
#2
#3
Spectrum Analyzer
& Counter, Oscilloscope
FET
PROBE
V
5
4
TCXO
1
2
3
6
RL
CL
0.825
0.650
0.825
Marking Area
#1
#2
#3
0.675 0.65 0.675
RL 10k 10% CL 10pF 10%
CL include Probe Capacitance
Co: DC Cut Capacitance
0.55
0.50
0.7
1.80
0.43
0.55
0.50
0.35
#1pin
#3pin
#4pin
#6pin
#2/ 5pin
Pin Configuration
GND
GND
OUTPUT
Vcc
N.C.
Note: A capacitor of value 0.01 F between V
DD
and GND is recommended.
#6
0.35
0.65
#5
0.65
0.50
#4
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