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KT7050 Datasheet, PDF (1/1 Pages) Kyocera Kinseki Corpotation – High stability and high reliability 2.7 to 5.5V drive available Low phases noise
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)
Applications
• Femtocell, Stratum3
• SONET/ SDH/ Ethernet
RoHS Compliant
• Compliant to the GR1244-Core & GR253-Core
• Recommended in Microsemi’s ZLAN-68 app. note for Stratum3 applications based
on tests performed by Kyocera.
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 ③ ④⑤⑥ ⑦ ⑧ ⑨
For Stratum3 (Standard Spec.)
Freq. Temp. Chrst. : ±0.28×10-6/ -40°C to 85°C
KT7050 A 20000 K A W 33 T xx
① ② ③ ④⑤⑥ ⑦ ⑧ ⑨
① Series
② Land Type
A
10Pads
B
4Pads
③ Output Frequency
④ Freq. Temp. Chrst.
A
+0.1×10-6
K
±0.28×10-6
⑤ Lower Operating Temp.
A
-40°C
G
-10°C
J
0°C
⑥ Upper Operating Temp.
T
+70°C
W
+85°C
⑦ Supply Voltage
33
3.3V
⑧ Voltage Control Range
T
Other*
TCXO
VCTCXO
* Customer Spec.
⑨ Option Code
Specifications
  Packaging (Tape & Reel 1000 pcs./ reel)
Item
Output Frequency Range
Frequency Tolerance
Supply Voltage
Current Consumption
Frequency Aging
Voltage Control Range
Output Level
Low Level Output Voltage
High Level Output Voltage
Rise / Fall Time
(10%Vcc to 90%Vcc)
Symmetry
Phase Noise
@20MHz
Symbol
fo
f_tol
VCC
ICC
f_age
f_cont
Vpp
VOL
VOH
tr/ tf
SYM
—
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
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
CMOS, Load: 15pF
50% Vcc
- 90 (@10Hz offset)
-120 (@100Hz offset)
-140 (@1kHz offset)
-150 (@10kHz offset)
-150 (@100kHz offset)
Min.
10
-0.1
-0.28
-0.1
+2.7
—
-4.6
±5
0.8
—
90% VCC
—
45
Max.
40
+0.1
+0.28
+0.1
+5.5
5
+4.6
±20
—
10% VCC
—
5
55
Units
MHz
×10-6
V
mA
×10-6
×10-6
Vp-p
V
V
ns
%
dBc/ Hz
Dimensions
KT7050A
7.0±0.2
#8 #7 #6
#9
#5
Marking Area
#10
#4
#1 #2 #3
4−1.0
#10
#1 #2
6−0.6
#3
#4
#9
#5
1.27 #8 #7 #6
5.08
(Unit: mm)
Recommended Land Pattern (Unit: mm)
0.75
Pin Connection
#1 Do not connect (Pin1)
#2/3 Do not connect
#4 GND
#5 Output
#6/7 Do not connect
#8 Tri-state Enable/ Disable connect
#9 Vcc
#10 Voltage Control (VCTCXO), GND (TCXO)
GND
1.3
7.45
KT7050B
7.0±0.2
#4
#3
Marking Area
#1
#2
4−1.4
#1
#2
#4
#3
5.08
Pin Connection
#1 Voltage Control (VCTCXO), GND (TCXO)
#2 GND
#3 Output
#4 Vcc
5.08
1.5