2.5×2.0mm
Temperature Compensated Crystal Oscillators (TCXO)
Surface Mount Type TCXO (LSI Type) KT2520 Series
RoHS Compliant
Features
• Miniature SMD type
(2.5×2.0×0.8mm)
• AFC function available
• Freq. temp. chrst.
: ±2.0×10−6/ −30 to +85°C
• 1.7 to 3.6V drive available
• Reflow compatible
Applications
• 3G (CDMA, W-CDMA, TD-SCDMA),
GPRS, GSM, Wi-Fi, WiMAX
How to Order
KT2520F 26000 D C W 28 T xx
① ② ③④⑤⑥⑦⑧
①Series
②Output Frequency
③Freq. Temp. Chrst.
B±1.0×10−6
C±1.5×10−6
D±2.0×10−6
④
Lower Operating Temp.
C−30°C
E−20°C
G−10°C
⑤
Upper Operating Temp.
W+85°C
V+80°C
U+75°C
⑥ Supply Voltage
28 2.8V 30 3.0V
⑦
Voltage Control Range
T
TCXO
Other
∗VCTCXO
∗ Customer Spec.
⑧ Option Code
Packaging (Tape & Reel 3000 pcs./ reel)
Specifications
Item Symbol Conditions Min. Max. Units
Output Frequency Range fo Standard Frequency: 13, 19.2, 26, 38.4, 52 13 52 MHz
Frequency Tolerance f_tol
vs Temperature −2+2
×10−6
vs Load −0.1 +0.1
vs Voltage −0.2 +0.2
Frequency Aging f_age Per Year −1+1×10−6
Storage Temperature Range T_stg −40 +85 °C
Operating Temperature Range
T_use −30 +85 °C
Voltage Control Range f_cont Positive ±8±15 ×10−6
Supply Voltage VCC 1.7 3.6 V
Output Level Vpp Clipped Sine∗, Load: 10k ohm / / 10pF 0.8 — Vp-p
Current Consumption ICC —2mA
Harmonics — — −5 dBc
∗ : 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 (Unit: mm)
±
±PD[
0DUNLQJ$UHD0DUNLQJ$UHD
3LQ&RQILJXUDWLRQ
SLQ 9FRQ*1'
SLQ *1'
SLQ 287387
SLQ 9FF
SLQ 1&
Test Circuit
4ESTCIRCUIT
.ON6#&UNCTION
3PECTRUM!NALYZER
#OUNTER/SCILLOSCOPE
!
6
4#8/
#,
#O
2,K7p#,P&p
v #,INCLUDE0ROBE#APACITANCE
#O$##UT#APACITANCE
0/7%2
3500,9
6CC
&%4
02/"%
4ESTCIRCUIT
7ITH6#&UNCTION
3PECTRUM!NALYZER
#OUNTER/SCILLOSCOPE
!
6
4#8/
#,
#O
0/7%2
3500,9
6CC
&%4
02/"%
6CON
2,
2,
Recommended Land Pattern
(Unit: mm)
0.825
0.825 0.650
0.43
0.55 0.55
0.7
0.50 0.50
1.80
Note: A capacitor of value 0.01MF between VDD
and GND is recommended.
