Temperature Compensated Crystal Oscillators (TCXO)
Surface Mount Type TCXO (LSI Type) KT2520Y Series
2.5×2.0mm
Dimensions Test Circuit
Recommended Land Pattern
(Unit : mm)(Unit : mm)
Features
• Ultra-miniature SMD type
(2.52.00.9mm)
• AFC function available
• Frequency stability
:2.0106/30 to 85°C
• 2.3 to 3.5V drive available
• Reflow compatible
How to Order
Applications
• 3G (CDMA, W-CDMA),
GPRS, GSM
Specifications
KT2520Y 26000 D C W 28 T AA
①Series
②Output Frequency
③Frequency Tolerance
⑥Supply Voltage
B1.0106
C1.5106
D2.0106
TCXO T
VCTCXO
Customer Spec
④
Lower Operating Temp.
C30°C
E20°C
G10°C
⑤
Upper Operating Temp.
W85°C
V80°C
U75°C
28 2.8V 30 3.0V
⑧②① ③ ④ ⑤ ⑥ ⑦
⑦
Voltage Control Range
⑧Option Code
Item Symbol Conditions Min. Max. Units
Output Frequency
Frequency Tolerance
Frequency Aging
Storage Temperature Range
Operating Temperature Range
Voltage Control Range
Supply Voltage
Output Level
Current Consumption
Symmetry
Harmonics
Fo 12.6 40 MHz
vs Temperature 22
F_tol vs Load 0.2 0.2 106
vs Voltage 0.3 0.3
F_aging Per Year 11106
T_stg 40 85 °C
T_use 30 85 °C
f/V Positive 815 106
Vcc 2.3 3.5 V
Vpp 10k ohm // 10pF 0.8 — Vp-p
IDD — 2 mA
SYM @50% VDD 40 60 %
— — 5 dBc
Pin Configuration
#1pin Vcon
#3pin GND
#4pin OUT
#6pin Vcc
#2/5pin N.C
Pb Free
Test circuit 1
(Amplitude)
Oscilloscope
(100MHz)
CL include Probe Capacitance
POWER
SUPPLY
Vcc
A
V
1 2
4 3
VC-TCXO
10k
10%
Vcon
CL=10pF
10%
0.01µF
Test circuit 2
(Harmonics & Frequency)
0.01µF
Spectrum Analyzer
& Counter
FET
PROBE
CL include Probe Capacitance
POWER
SUPPLY
Vcc
A
V
1 2
4 3
VC-TCXO
10k
10%
CL=10pF
10%
Vcon
0.95
0.95 0.40
0.43
Note: A capacitor of value 0.01µF between VDD
and GND is recommended.
#1 #2 #3
#6 #5 #4
0.55 0.55
0.7
0.50 0.50
1.80
2.500.15
2.000.150.9max.0.80 0.80
0.35 0.35
0.65
0.50
0.65
#1 #2 #3
#6 #5 #4
#6 #5 #4
#1 #2 #3
0.40
RoHS Compliant
10K2Y0710K2Y07
02 535
