Temperature Compensated Crystal Oscillators (TCXO, VCTCXO)
Surface Mount Type TCXO (LSI Type) KT7050 Series for Smallcell/ Stratum3
7.0×5
.0mm
Features
How to Order
• High stability and high reliability
• 2.7 to 5.5V drive available
• Clipped sine wave or CMOS level
output
KT7050
①
20000
③
A 33 T xx
④ ⑤ ⑥ ⑦ ⑧ ⑨
□
□
□
②
Series
Land Type
①
②
Output Frequency
Freq. Temp. Chrst.
Lower Operating Temp.
④
• Low phase noise
③
④
⑤
A
B
10Pads
4Pads
• Disable Function (KT7050A)
Upper Operating Temp.
⑥
Applications
• 5G, Smallcell, Stratum3
⑤
⑥
−
6
×
0.28 10
−
°
40 C
°
40 C
°
40 C
+ °
85 C
KAW
KAY
AAY
−
6
6
×
0.28 10
×
0.10 10
−
+
°
105 C
• SONET/ SDH/ Ethernet
−
−
+
°
105 C
Supply Voltage
Voltage Control Function
⑦
⑧
RoHS Compliant
33
3.3V
T
TCXO
Spec. Code VCTCXO
*
*
Please contact us for Spec. Code.
• Compliant to the GR1244-Core & GR253-Core
Individual Speciꢀcation
⑨
ꢀ
• Recommended in Microsemi’s ZLAN-68 app. note for Stratum3 applications based
on tests performed by Kyocera.
Packaging (Tape & Reel 1000 pcs./ reel)
Specifications
Item
Output Frequency Range
Symbol
fo
Conditions
Standard Frequency: 10, 19.2, 20, 24.576, 26, 30.72, 38.88, 40
Min.
10
Max.
40
Units
MHz
−
+
°
vs Temperature ( 10 to 105 C) [ (fmax-fmin)/ 2fo]
−
+
0.1
0.28
0.1
0.28
−
10
6
−
+
°
+
°
vs Temperature ( 40 to 85 C/ 105 C) [ (fmax-fmin)/ 2fo]
−
+
×
Frequency Tolerance
f_tol
−
+
vs Voltage
0.1
0.1
5.5
6
+
+
Supply Voltage
Current Consumption
VCC
ICC
2.7
—
V
mA
CMOS Output
20years aging @40 C Including temp characteristics, initial
tolerance, rated power supply voltage change and load change.
°
−
10
6
−
+
×
Frequency Aging
f_age
4.6
4.6
−
6
*
Positive 100k ohm min
Clipped Sine, Load: 10k ohm // 10pF
×
Voltage Control Range
Output Level
Low Level Output Voltage
High Level Output Voltage
Rise / Fall Time
f_cont
Vpp
VOL
5
0.8
20
—
10
Vp-p
=
CMOS, Load: 15pF IOL 4mA
—
90% VCC
10% VCC
—
V
V
=−
VOH
CMOS, Load: 15pF IOH
CMOS, Load: 15pF
50% Vcc
4mA
tr/ tf
—
8
ns
%
(10%Vcc to 90%Vcc)
Symmetry
SYM
45
—
—
—
—
—
55
−
@10Hz offset
@100Hz offset
@1kHz offset
@10kHz offset
@100kHz offset
90
120
−
−
Phase Noise
—
@20MHz
140
150
dBc/ Hz
−
−
150
*
Please contact us for other specifications.
Dimensions
Recommended Land Pattern (Unit: mm)
KT7050A
0.75
7.0r0.2
4ꢀ1.0
6ꢀ0.6
#8 #7 #6
#1 #2
#3
Pin Connection
Do not connect (Pin1)
#10
#9
#5
#4
#1
#2/3 Do not connect
#4
#5
#4
#5
GND
GND
Output
#6/7 Do not connect
#10
#9
#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
7.0r0.2
4ꢀ1.4
#1
#2
#4
#3
Pin Connection
#1 Voltage Control (VCTCXO), GND (TCXO)
#2 GND
#3 Output
#4 Vcc
#4
#3
#1
#2
5.08
1.5
As of March 2018