Temperature Compensated Crystal Oscillators (TCXO)
Surface Mount Type TCXO (LSI Type) KT1612 Series for GPS
1.6×1.2mm
Features
• 1612 Ultra-miniature SMD type
• Freq. temp. characteristics.
:
±0.5×10
-
6
/
-30
to
+85°C
• 1.68 to 3.45V drive available
• Reflow compatible
• Disable Function (Option)
• Lower Operating Temp.
-40°C
(Option)
• AFC Function (Option)
How to Order
KT1612A 26000 A C W 28 T xx
①
②
③ ④ ⑤ ⑥ ⑦ ⑧
⑥
Supply Voltage
18
1.8V
28
2.8V
①
Series
②
Output Frequency
③
Freq. Temp. Chrst.
A
C
E
G
W
V
U
±0.5×10
-
6
-30°C
-20°C
-10°C
+85°C
+80°C
+75°C
⑦
Voltage Control Range
T
N
TCXO
Disable Function
Applications
• GPS Unit
④
Lower Operating Temp.
⑧
Option Code
RoHS Compliant
⑤
Upper Operating Temp.
Packaging (Tape & Reel 4000 pcs./ reel)
Specifications
Item
Output Frequency Range
Frequency Tolerance
Frequency Aging
Storage Temperature Range
Operating Temperature Range
Supply Voltage
Output Level
Current Consumption
Harmonics
Symbol
fo
f
_tol
f
_age
T
_stg
T
_use
V
CC
Vpp
I
CC
—
Conditions
Standard Frequency: 16.368, 16.369, 19.2, 26, 27.456, 33.6, 38.4, 52
vs Temperature
vs Load
vs Voltage
Per Year
Min.
16.368
-0.5
-0.1
-0.2
-1
-40
-30
1.68
0.8
—
—
Max.
52
+0.5
+0.1
+0.2
+1
+85
+85
3.45
—
2
-5
Units
MHz
×10
-
6
×10
-
6
°C
°C
V
Vp-p
mA
dBc
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
1.69±0.06
#4
#3
0.21
(Unit: mm)
Test Circuit
Test circuit 1
Non Enable/ Disable Function
A
Co
POWER
SUPPLY
Vcc
Recommended Land Pattern
(Unit: mm)
Marking Area
1.29±0.06
Spectrum Analyzer &
Counter, Oscilloscope
V
1
TCXO
2
RL
CL
0.7 max.
Test circuit 2
With Enable/ Disable Function
A
#1
#2
0.445 0.4 0.445
POWER
SUPPLY
Vcc
Co
4
V
1
E/ D
TCXO
2
RL
3
Spectrum Analyzer &
Counter, Oscilloscope
FET
PROBE
0.5
0.9
0.5
CL
0.395 #4
0.90
#3 0.395
#1pin
#2pin
#3pin
#4pin
Pin Configuration
GND/ E/ D function
GND
OUTPUT
Vcc
•
Enable/ Disable Function
Please inquire details.
RL=10kΩ±10% CL=10pF±10%
•
CL include Probe Capacitance
Co: DC Cut Capacitance
Note: A capacitor of value 0.01µF between V
cc
and GND is recommended.
0.55
0.4
#1
#2
0.55
4
3
FET
PROBE
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