Temperature Compensated Crystal Oscillators (TCXO, VCTCXO)
Surface Mount Type TCXO (LSI Type) KT2520 Series
2.5
×
2.0mm
Features
• Miniature SMD type
(2.5
×
2.0
×
0.8mm)
• Freq. temp. characteristics.
:
±
2.0
×
10
−
6
/
−
30 to
+
85
°
C
:
±
0.5
×
10
−
6
/
−
30 to
+
85
°
C (for GPS)
• 1.68 to 3.63V drive available
• Reflow compatible
• Operating Temp.
−40
to
+
105
°
C (Option)
• Ultra low supply current 800 A typ.
Conditions of 26MHz and 1.0Vp-p
(Option)
• AEC-Q200 qualified
• AEC-Q100 qualified (Option)
How to Order
KT2520K 26000 A C W 18 T xx
①
②
③ ④ ⑤ ⑥ ⑦ ⑧
⑥
Supply Voltage
18
1.8V
28
2.8V
30
3.0V
33
3.3V
①
Series
②
Output Frequency
③
Freq. Temp. Chrst.
A
B
C
D
C
E
G
±
0.5
×
10
−
6
±
1.0
×
10
−
6
±
1.5
×
10
−
6
±
2.0
×
10
−
6
−
30
°
C
−
20
°
C
−
10
°
C
⑦
Voltage Control Function
T
Other
*
TCXO
VCTCXO
RoHS Compliant
④
Lower Operating Temp.
⑧
Option Code
*
Customer Spec.
Applications
• Mobile Communications, W-LAN
• Low power radio communications
• GPS Unit
⑤
Upper Operating Temp.
W
V
U
+
85
°
C
+
80
°
C
+
75
°
C
Packaging (Tape & Reel 12000 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
—
vs Temperature
vs Load
vs Voltage
Per Year
Conditions
Min.
10
−0.5/ −2
−0.2
−0.2
−1
−40
−30
±
8
1.68
0.8
—
—
Max.
52
+
0.5/
+
2
+
0.2
+
0.2
+
1
+
85
+
85
±
15
3.63
—
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.
*
Please contact us for other specifications.
Dimensions
2.5±0.15
#6
#5
#4
0.24
(Unit: mm)
Test Circuit
Test circuit 1
TCXO
A
Co
POWER
SUPPLY
Vcc
Recommended Land Pattern
(Unit: mm)
2.0±0.15
Spectrum Analyzer &
Counter, Oscilloscope
FET
PROBE
V
5
4
TCXO
2
1
3
6
#1
#2
#3
0.8 max.
Test circuit 2
VCTCXO
A
Co
POWER
SUPPLY
Vcc
0.825
0.650
RL
CL
0.825
#1
#2
#3
0.675 0.65 0.675
Spectrum Analyzer &
Counter, Oscilloscope
FET
PROBE
0.55
0.50
0.7
1.80
V
0.305
5
4
TCXO
2
1
3
6
Vcon
0.43
0.55
0.50
Note: A capacitor of value 0.01µF between V
CC
and GND is recommended.
RL
CL
#6
0.35
#5
0.65 0.5 0.65
#4
0.35
Pin Con guration
#1pin
GND/ Vcon
#3pin
GND
#4pin
OUTPUT
#6pin
Vcc
#2/ 5pin N.C.
RL=10kΩ±10% CL=10pF±10%
•
CL include Probe Capacitance
Co: DC Cut Capacitance
Microcontroller MCU
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