Temperature Compensated Crystal Oscillators (TCXO)
Surface Mount Type TCXO (LSI Type) KT2520 Series
2.5×2.0mm
Features
• Miniature SMD type
(2.5×2.0×0.8mm)
• AFC function available
• Freq. temp. characteristics.
:
±2.0×10
-
6
/
-30
to
+85°C
• 1.68 to 3.6V drive available
• Reflow compatible
How to Order
KT2520F 26000 D C W 28 T xx
①
②
③ ④ ⑤ ⑥ ⑦ ⑧
⑥
Supply Voltage
28
2.8V
30
3.0V
①
Series
②
Output Frequency
③
Freq. Temp. Chrst.
B
C
D
C
E
G
W
V
U
±1.0×10
-
6
±1.5×10
-
6
±2.0×10
-
6
-30°C
-20°C
-10°C
+85°C
+80°C
+75°C
⑦
Voltage Control Range
T
Other
*
TCXO
VCTCXO
Applications
• 3G (CDMA, W-CDMA, TD-SCDMA),
GPRS, GSM, W-LAN, WiMAX
RoHS Compliant
④
Lower Operating Temp.
⑧
Option Code
*
Customer Spec.
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
Voltage Control Range
Supply Voltage
Output Level
Current Consumption
Harmonics
Symbol
fo
f
_tol
f
_age
T
_stg
T
_use
f
_cont
V
CC
Vpp
I
CC
—
Conditions
Standard Frequency: 13, 19.2, 26, 38.4, 52
vs Temperature
vs Load
vs Voltage
Per Year
Min.
13
-2
-0.1
-0.2
-1
-40
-30
±8
1.68
0.8
—
—
Max.
52
+2
+0.1
+0.2
+1
+85
+85
±15
3.6
—
2
-5
Units
MHz
×10
-
6
×10
-
6
°C
°C
×10
-
6
V
Vp-p
mA
dBc
Positive
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.
Dimensions
2.50±0.15
#6
#5
#4
2.00±0.15
(Unit: mm)
Test Circuit
Test circuit 1
Non VC Function
A
POWER
SUPPLY
Vcc
Recommended Land Pattern
(Unit: mm)
V
5
4
TCXO
2
1
3
6
FET
PROBE
0.8 max.
#1
#2
#3
Test circuit 2
With VC Function
A
Co
Spectrum Analyzer &
Counter, Oscilloscope
FET
PROBE
0.825
0.650
RL
CL
0.825
Marking Area
Co
Spectrum Analyzer &
Counter, Oscilloscope
#1
#2
#3
0.675 0.65 0.675
0.55
0.50
0.7
1.80
POWER
SUPPLY
Vcc
V
5
4
TCXO
2
1
3
6
Vcon
0.43
0.55
0.50
RL
CL
0.35
#6
0.65
#5
0.65
#4
0.35
0.50
Pin Configuration
#1pin
Vcon/ GND
#3pin
GND
#4pin
OUTPUT
#6pin
Vcc
#2/ 5pin N.C.
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.
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