Temperature Compensated Crystal Oscillators (TCXO, VCTCXO)
Surface Mount Type TCXO KT1612 Series
1.6×1.2mm
Features
• Ultra-miniature SMD type
(1.65×1.25×0.55mm)
• Freq. temp. characteristics.
: ±2.0×10
−6
/ −30 to +85°C
: ±0.5×10
−6
/ −30 to +85°C (for GNSS)
• 1.68 to 3.63V drive available
• Reflow compatible
• Operating Temp. −40 to +105°C (Option)
• Disable Function (Option)
How to Order
KT1612A 26000
□ □ □ □□ □
xx
①
②
①
Series
②
Output Frequency
③
Freq. Temp. Chrst.
A
B
C
D
C
E
G
W
V
U
±0.5×10
−6
±1.0×10
−6
±1.5×10
−6
±2.0×10
−6
−30°C
−20°C
−10°C
+85°C
+80°C
+75°C
③ ④ ⑤ ⑥ ⑦ ⑧
⑥
Supply Voltage
18
30
1.8V
3.0V
28
33
2.8V
3.3V
⑦
Voltage Control Function
T
Spec. Code*
TCXO
VCTCXO
Applications
AEC-Q200 RoHS Compliant
• Mobile Communications, W-LAN
• Low power radio communications
• GNSS Unit
④
Lower Operating Temp.
⑧
Individual Specification
*Please contact us for Spec. Code.
⑤
Upper Operating Temp.
Packaging (Tape & Reel 18000 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
1.65±0.05
#4
#3
1.25±0.05
0.2
(Unit: mm)
Test Circuit
Test circuit 1
TCXO
A
Co
POWER
SUPPLY
Vcc
Recommended Land Pattern
(Unit: mm)
Spectrum Analyzer &
Counter, Oscilloscope
V
1
TCXO
2
RL
CL
0.55 max.
Test circuit 2
VCTCXO
A
Co
Spectrum Analyzer &
Counter, Oscilloscope
FET
PROBE
#1
#2
0.425 0.4 0.425
POWER
SUPPLY
Vcc
4
V
1
Vcon
TCXO
3
2
RL
0.5
0.9
0.5
CL
0.35 #4
0.95
#3 0.35
#1pin
#2pin
#3pin
#4pin
Pin Con guration
GND/ Vcon
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
As of February 2019
0.55
0.4
#1
#2
0.55
4
3
FET
PROBE
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