5.0×3.2A
Temperature Compensated Crystal Oscillators(TCXO)
Surface Mount Type TCXO (LSI Type)
KT18B Series
Features
• Ultra-miniature SMD Type
(5.0x3.2x1.5mm)
• Reflow compatible
• AFC function available
• 2.3 to 3.5V drive available
• Frequency Stability
:
±2.0ppm
at -30°C to +85°C
品
How to Order
q
qType
wFrequency
stability
K
±5ppm
E
±2.5ppm
D
±2.0ppm
eLower
operating temp
C
−30°C
E
−20°C
G
−10°C
rUpper
operating temp
W
85°C
V
80°C
U
75°C
Oscilloscope
(100MHz)
#4pin
CL=10pF
±10%
1.0
1.0
#1pin
1.3
Spectrum Analyzer
& Counter
FET
PROBE
CL=10pF
±10%
KT18B - D C V 30
w er t y
- 19.680M - T
u
i
止
Conditions
4
3
VC-TCXO
1
2
Vcon
10kΩ
±10%
4
3
VC-TCXO
1
2
Vcon
10kΩ
±10%
tSupply
Voltage
28
2.8V
30
3.0V
yOption
Code
uFrequency(MHz)
13.000 19.200 19.800
14.400 19.440 26.000
16.800 19.680
iPackaging
T
Tape & Reel
4,000pcs/Reel
Applications
• PDC, GSM, CDMA
Specifications
Item
Output Frequency Range
Frequency Stability
産
Symbol
F
OUT
∆
f/fo
中
vs Temperature
vs Load
vs Voltage
Per Year
Positive
10k ohm // 10pF
@50% V
DD
Pb Free
RoHS Conforming
5.0±0.2
#1pin Marking
3.2±0.2
MARKING AREA
on
Dimensions
(Unit : mm)
Test Circuit
Test circuit 1
(Amplitude)
A
sc
POWER
SUPPLY
Vcc
V
1.5(MAX)
0.70±0.1
Di
2.95±0.15
0.7±0.1
q
w
(1.6)
Test circuit 2
(Harmonics & Frequency)
A
0.7±0.1
r
0.95±0.1
e
q
w
e
r
Pin Configuration
Vcon
GND
OUTPUT
+Vcc
POWER
SUPPLY
Vcc
V
Dimension:(mm)
ue
Pr d
od
uc
t
2.95±0.15
#3pin
CL include Probe Capacitance
#2pin
1.3
CL include Probe Capacitance
tin
Storage Temp. Range
Operating Temp. Range
Aging
Voltage control range
Supply Voltage
Output Voltage
Current Consumption
Duty Ratio
Harmonics
T
STG
T
OPR
∆
faging
∆
f/V
V
DD
Vout
I
DD
SYM
--
---
Min.
13
−2.0
−0.2
−0.3
−40
−30
−1
+/−8
2.3
0.8
----
-
40
-- -
--
Max.
26
+2.0
+0.2
+0.3
+85
+85
1
+/−15
3.5
-- -
--
2.0
60
-5
Units
MHz
ppm
°C
°C
ppm
ppm
Volt
Vp-p
mA
%
dBc
生
Recommended Land Pattern
(Unit : mm)
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