Temperature Compensated Crystal Oscillators (TCXO)
Surface Mount Type TCXO (LSI Type) KT3225 Series
3.2×2.5mm
Features
• Miniature SMD type
(3.2×2.5×1.0mm)
• AFC function available
• Freq. temp. characteristics.
:
±2.0×10
-
6
/
-30
to
+85°C
• 2.3 to 3.9V drive available
• Reflow compatible
How to Order
KT3225P 26000 D C W 28 T xx
①
②
③ ④ ⑤ ⑥ ⑦ ⑧
S
①
Series
⑥
upply Voltage
②
Output Frequency
28
2.8V
30
3.0V
③
Freq. Temp. Chrst.
V
⑦
oltage Control Range
-
6
B
C
D
±1.0×10
±1.5×10
-
6
±2.0×10
-
6
-30°C
-20°C
-10°C
+85°C
+80°C
+75°C
T
Other
*
TCXO
VCTCXO
Applications
RoHS Compliant
• 3G (CDMA, W-CDMA, TD-SCDMA),
GPRS, GSM, W-LAN, WiMAX
• Low power radio communications
④
Lower Operating Temp.
⑧
ption Code
O
C
E
G
W
V
U
*
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, 40, 52
vs Temperature
vs Load
vs Voltage
Per Year
Min.
13
-2
-0.1
-0.2
-1
-40
-30
±8
2.3
0.8
—
—
Max.
52
+2
+0.1
+0.2
+1
+85
+85
±15
3.9
—
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
(Unit: mm)
Test Circuit
Test circuit 1
Non VC Function
A
Co
4
V
1
TCXO
2
RL
3
Spectrum Analyzer &
Counter, Oscilloscope
FET
PROBE
Recommended Land Pattern
(Unit: mm)
3.2±0.2
0.5
2.5±0.2
Marking Area
CL
1.0 max.
Test circuit 2
With VC Function
A
Co
4
V
1
Vcon
TCXO
2
RL
3
Spectrum Analyzer &
Counter, Oscilloscope
FET
PROBE
0.87
(0.50)
0.87
POWER
SUPPLY
Vcc
0.78
(2.24)
0.78
#1
#2
1.27
POWER
SUPPLY
Vcc
(0.50)
0.87
CL
0.87
#4
#3
#1pin
#2pin
#3pin
#4pin
0.40
2.24
0.40
Pin Configuration
Vcon/ GND
GND
OUTPUT
Vcc
Note: A capacitor of value 0.01µF between V
CC
and GND is recommended.
RL=10kΩ±10% CL=10pF±10%
•
CL include Probe Capacitance
Co: DC Cut Capacitance
Microcontroller MCU
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