KSS KT7050

Temperature Compensated Crystal Oscillators (TCXO)
Surface Mount Type TCXO (LSI Type) KT7050 Series for Femtocell/ Stratum3
Features
• High stability and high reliability
• 2.7 to 5.5V drive available
• Clipped sine wave or CMOS level
output
• Low phase noise
• Disable Function (KT7050A)
How to Order
For Femtocell (Standard Spec.)
Freq. Temp. Chrst. : ±0.1×10-6/ -10°C to 70°C
KT7050 A 20000 A G T 33 T xx
①
②
③
④ ⑤ ⑥ ⑦ ⑧ ⑨
For Stratum3 (Standard Spec.)
Freq. Temp. Chrst. : ±0.28×10-6/ -40°C to 85°C
Applications
KT7050 A 20000 K A W 33 T xx
• Femtocell, Stratum3
• SONET/ SDH/ Ethernet
①
②
③
④ ⑤ ⑥ ⑦ ⑧ ⑨
① Series
② Land Type
RoHS Compliant
A
B
• Compliant to the GR1244-Core & GR253-Core
• Recommended in Microsemi’s ZLAN -68 app. note for Stratum3 applications based
on tests performed by Kyocera.
⑥ Upper Operating Temp.
⑦ Supply Voltage
③ Output Frequency
④ Freq. Temp. Chrst.
33
T
Other*
⑤ Lower Operating Temp.
TCXO
VCTCXO
* Customer Spec.
⑨ Option Code
-40°C
-10°C
0°C
A
G
J
3.3V
⑧ Voltage Control Range
+0.1×10-6
±0.28×10-6
A
K
+70°C
+85°C
T
W
10Pads
4Pads
Packaging (Tape & Reel 1000 pcs./ reel)
Specifications
Item
Output Frequency Range
Symbol
fo
Conditions
Standard Frequency: 10, 12.8, 19.2, 19.44, 20, 20.48, 24.576, 26, 30.72
vs Temperature (-10 to +70°C) [±(fmax-fmin)/ 2fo]
vs Temperature (-40 to +85°C) [±(fmax-fmin)/ 2fo]
vs Voltage
Min.
10
-0.1
-0.28
-0.1
+2.7
—
Max.
40
+0.1
+0.28
+0.1
+5.5
5
Units
MHz
-4.6
+4.6
×10-6
±5
0.8
—
90% VCC
±20
—
10% VCC
—
×10-6
Vp-p
V
V
×10-6
Frequency Tolerance
f_tol
Supply Voltage
Current Consumption
VCC
ICC
Frequency Aging
f_age
Voltage Control Range
Output Level
Low Level Output Voltage
High Level Output Voltage
Rise / Fall Time
(10%Vcc to 90%Vcc)
Symmetry
f_cont
Vpp
VOL
VOH
20MHz CMOS output
20years aging @40°C Including temp characteristics, initial
tolerance, rated power supply voltage change and load change.
Positive *100k ohm min
Clipped Sine, Load: 10k ohm // 10pF
CMOS, Load: 15pF IOL=4mA
CMOS, Load: 15pF IOH=-4mA
tr/ tf
CMOS, Load: 15pF
—
5
ns
SYM
50% Vcc
45
55
%
Phase Noise
@20MHz
—
- 90 (@10Hz offset)
-120 (@100Hz offset)
-140 (@1kHz offset)
-150 (@10kHz offset)
-150 (@100kHz offset)
Dimensions
dBc/ Hz
(Unit: mm)
Recommended Land Pattern
KT7050A
Marking Area
#10
#4
#9
1.7 max.
#2 #3
#5
1.27 #8
#7 #6
Pin Connection
Do not connect (Pin1)
Do not connect
GND
Output
Do not connect
Tri-state Enable/ Disable connect
Vcc
Voltage Control (VCTCXO), GND (TCXO)
1.3
0.95
5.08
#1
#2/3
#4
#5
#6/7
#8
#9
#10
GND
1.3
KT7050B
1.2
#1
#3
#2
1.7 max.
#4
5.08
#3
4−0.9
#2
#1
#2
#3
#4
Pin Connection
Voltage Control (VCTCXO), GND (TCXO)
GND
Output
Vcc
4.20
5.0±0.2
4−1.4
Marking Area
#1
7.45
5.08
7.0±0.2
#4
5.45
#4
1.8
#10
#5
2.54
6−0.6
4−0.8
#3
6−0.8
#1 #2
2.54
5.0±0.2
4−1.0
#7 #6
#9
#1
(Unit: mm)
0.75
7.0±0.2
#8
V
mA
1.5