TCXO
Here
Temperature Compensated Crystal Oscillators (TCXO, VCTCXO) Find
Surface Mount Type TCXO KT7050 Series for Smallcell/ Stratum3
7.0×5
.0mm
Features
How to Order
• High stability and high reliability
• 2.3 to 3.63V drive available
• Clipped sine wave or CMOS level output
• Low phase noise
KT7050
□
20000
□
④
②
□□ 33 T xx
①
②
③
⑤
⑥ ⑦ ⑧
Series
Land Type
①
③
④
Output Frequency
Freq. Temp. Chrst.
A
B
10Pads
4Pads
Operating Temperature Range
• Disable Function (KT7050A)
+ °
•ꢀOperatingꢀTemp.ꢀ−40ꢀtoꢀ 105 C (Option)
−
6
⑤
±
×
U
K
A
0.5 10
−
6
±
×
0.28 10
±
-10℃ 70℃
to
Applications
GT
−
6
×
0.1 10
AW -40℃ 85℃
to
• 5G, Smallcell, Stratum3
• SONET/ SDH/ Ethernet
• SyncE/ IEEE 1588
AY -40℃
105℃
to
Supply Voltage
⑥
33
3.3V
Voltage Control Function
⑦
RoHS Compliant
T
TCXO
VCTCXO
*
Spec. Code
*
Please contact us for Spec. Code.
• Compliant to the GR1244-Core & GR253-Core
• Recommended in Microsemi’s ZLAN-68 app. note for Stratum3 applications based on
tests performed by Kyocera.
Individual Specification
⑧ꢀ
Packaging (Tape & Reel 1000 pcs./ reel)
Specifications
Item
Symbol
fo
Conditions
Min.
10
Max.
44.8
Unit
Output Frequency Range
Standard Frequency: 10 / 12.8 / 20 / 25.6 / 44.8
MHz
−
+
0.5
0.5
±
−
+
0.28
vs Temperature [ (fmax-fmin)/ 2fo]
0.28
ꢀ
−
6
×
10
Frequency Tolerance
f_tol
−
+
0.1
0.1
2.3
0.1
0.1
3.63
6
−
+
+
vs Voltage
+
Supply Voltage
Current Consumption
VCC
ICC
V
mA
CMOS Output
—
°
20years aging @40 C Including temp characteristics, initial toler-
ance, rated power supply voltage change and load change.
−
6
6
−
+
4.6
×
Frequency Aging
f_age
4.6
10
−
*
±
±
20
—
10% VCC
—
×
10
Voltage Control Range
Output Level
f_cont
Vpp
VOL
Positive 100k ohm min
5
Clipped Sine, Load: 10k ohm // 10pF
0.8
Vp-p
V
=
Low Level Output Voltage
High Level Output Voltage
Rise / Fall Time
CMOS, Load: 15pF IOL 4mA
—
IOH=−
VOH
CMOS, Load: 15pF
CMOS, Load: 15pF
50% Vcc
4mA
90% VCC
V
Tr/ Tf
SYM
—
8
ns
%
(10%Vcc to 90%Vcc)
Symmetry
45
—
—
—
—
—
55
−
@10Hz offset
@100Hz offset
@1kHz offset
@10kHz offset
@100kHz offset
90
−
120
−
140
−
150
−
150
Phase Noise
—
@20MHz
dBc/ Hz
*
Please contact us for other specifications.
Dimensions
Recommended Land Pattern
(Unit: mm)
KT7050A
0.75
7.0±0.2
4−1.0
6−0.6
#8 #7 #6
#1 #2
#3
Pin Connection
Do not connect (Pin1)
#2/3 Do not connect
#10
#9
#5
#4
#1
#4
#5
GND
#4
#5
GND
Output
#10
#9
#6/7 Do not connect
#8
#9
Tri-state Enable/ Disable connect
Vcc
#1 #2 #3
#6
#8
#7
1.27
#10 Voltage Control (VCTCXO), GND (TCXO)
1.3
5.08
7.45
KT7050B
5.08
7.0±0.2
4−1.4
#1
#2
#4
#3
#2
Pin Connection
#1 Voltage Control (VCTCXO), GND (TCXO)
#2 GND
#3 Output
#4 Vcc
#4
#3
#1
5.08
1.5
As of October 2023