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KT7050A Datasheet

Temperature Compensated Crystal Oscillators

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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
• C ompliant to the GR1244-Core & GR253-Core
• R ecommended 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
Series
Land Type
A 10Pads
B 4Pads
Output Frequency
Freq. Temp. Chrst.
A +0.1×10-6
K ±0.28×10-6
Lower Operating Temp.
A -40°C
G -10°C
J 0°C
Upper Operating Temp.
T +70°C
W +85°C
Supply Voltage
33 3.3V
Voltage Control Range
T
Other*
TCXO
VCTCXO
* Customer Spec.
Option Code
Specifications
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
Please contact us for other specifications.
Dimensions
  Packaging (Tape & Reel 1000 pcs./ reel)
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
(Unit: mm) Recommended Land Pattern (Unit: mm)
KT7050A
0.75
7.0±0.2
#8 #7 #6
#9 #5
Marking Area
#10 #4
#1 #2 #3
41.0
#10
#1 #2
60.6
#3
#4
#9
1.27 #8
#7 #6
5.08
#5
#1
#2/3
#4
#5
#6/7
#8
#9
#10
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)
GND
1.3 7.45
KT7050B
7.0±0.2
#4 #3
Marking Area
#1 #2
41.4
#1
#2
#4 #3
5.08
Pin Connection
#1 Voltage Control (VCTCXO), GND (TCXO)
#2 GND
#3 Output
#4 Vcc
5.08
1.5


Part Number KT7050A
Description Temperature Compensated Crystal Oscillators
Maker KYOCERA
Total Page 1 Pages
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