CTS 1180026-XXX

1180026-XXX
20.000 MHz OCXO
Stratum 3E
♦Frequency Stability to Stratum 3E of GR-1244
♦Recommended for or use with Zarlink
SONET/SDH System Synchronizer Chip Sets
♦+3.3Vdc or +5.0Vdc Operation
♦Precision Low Aging “SC” Cut Crystal
♦Through-Hole or Surface Mount Configuration
♦RoHS Compliant
Electrical Characteristics
Parameter
Sym
Conditions
Min
Typical
Max
Unit
3.135
4.75
3.30
5.0
3.465
5.25
Vdc
Vdc
3.5
4.0
W
Power Requirements
Power Supply ¹
Vcc
Turn-On Power
Pmax
± 5%
± 5%
Vcc = Max. Std. Load
Steady State Power
Pss
Vcc = Max Std. Load @ +25°C
1.5
W
Start-Up Time
Tsu
To 90% Amplitude
50
mSec
Warm-Up Time
Twu
To meet full spec @ +25°C
15
minutes
Frequency Stabilities
Center Frequency
fnom
Initial Tolerance
fcal
Frequency vs. Temperature
∆f/∆Temp
20.000
MHz
± 0.3
± 0.5
ppm
Operating Temperature ¹
±6
±8
ppb
Ta = +25°C (At time of Shipment)
Frequency vs. Voltage
∆f/∆Vcc
Vcc ± 5%
±1
Frequency vs Time (Aging)
∆f/∆Time
per Day
20 years
±1
24 Hour Holdover Stability
∆f/24Hr
Inclusive of Temperature, Supply
Variation and 24 hours Aging
±8
Total Free-Running
Accuracy
∆f/Life
All Conditions for 20 years
(Reference to fnom)
ppb
± 1.5
ppb
ppm
± 10
ppb
± 2.1
ppm
60
%
0.1Vcc
V
V
7
nSec
-25
dBc
Waveform: HCMOS Output
Symmetry
Sym
@ 50% Level
Amplitude
Vo
Logic “1”
Logic “0”
Rise/Fall Times
tr, tf
20% to 80%
Load
RL
Output to Ground
40
50
0.9Vcc
4
10KΩ // 15pF
Sub-Harmonics
Phase Noise
1
Offset = 1 Hz
-70
-60
dBc/Hz
10 Hz
-103
-100
dBc/Hz
100 Hz
-130
-125
dBc/Hz
1 KHz
-140
-130
dBc/Hz
10 KHz
-142
-135
dBc/Hz
See Dash Number Table for Voltage and Operating Temperature
♦♦♦ CTS ♦ 171 Covington Dr. ♦ Bloomingdale, IL 60108 ♦ 800-757-6686 ♦ www.ctscorp.com ♦♦♦
REVISION X4
Page 1 of 4
1180026-XXX
20.000 MHz OCXO
Stratum 3E
Dash Number Table (CTS Dash No. = -XXX)
No Air-Flow Shield
With Air-Flow Shield
CTS
Dash No.
Package
Specification
Vcc
Operating
Temperature Range
CTS
Dash No.
Package
Specification
Vcc
Operating
Temperature Range
-001
Figure 1
+5.0 Vdc
0°C to +70°C
-011
Figure 3
+5.0 Vdc
0°C to +70°C
-002
Figure 1
+5.0 Vdc
-40°C to +85°C
-012
Figure 3
+5.0 Vdc
-40°C to +85°C
-003
Figure 1
+3.3 Vdc
0°C to +70°C
-013
Figure 3
+3.3 Vdc
0°C to +70°C
-004
Figure 1
+3.3 Vdc
-40°C to +85°C
-014
Figure 3
+3.3 Vdc
-40°C to +85°C
-005
Figure 2
+5.0 Vdc
0°C to +70°C
-015
Figure 4
+5.0 Vdc
0°C to +70°C
-006
Figure 2
+5.0 Vdc
-40°C to +85°C
-016
Figure 4
+5.0 Vdc
-40°C to +85°C
-007
Figure 2
+3.3 Vdc
0°C to +70°C
-017
Figure 4
+3.3 Vdc
0°C to +70°C
-008
Figure 2
+3.3 Vdc
-40°C to +85°C
-018
Figure 4
+3.3 Vdc
-40°C to +85°C
Complete CTS orderable part number includes 1180026-XXX (where –XXX = CTS Dash No. from this table)
Environmental and Mechanical Requirements
Storage Temperature :
Reflow Soldering :
Shock :
Vibration :
Case :
Seal :
Surface Mount Base :
MSL :
6/6 RoHS Compliance :
-55°C to +125°C
Will withstand 240°C for 20 seconds
50 G’s 11 ms, Pulse, 3 shocks per axis
10G’s Peak, 20 to 2000 Hz
Dual-in-Line
Resistance Weld
High Temperature FR-4
1
This product is fully compliant to RoHS Directive 2002/95/EC
♦♦♦ CTS ♦ 171 Covington Dr. ♦ Bloomingdale, IL 60108 ♦ 800-757-6686 ♦ www.ctscorp.com ♦♦♦
REVISION X4
Page 2 of 4
1180026-XXX
20.000 MHz OCXO
Stratum 3E
Package Specifications
Figure 1
Figure 2
CTS
1180026-XXX
20.000 MHz
S/N
XXXXX
YYWW
Made in China
CTS
1180026-XXX
20.000 MHz
S/N
XXXXX
YYWW
Made in China
TEST #
♦♦♦ CTS ♦ 171 Covington Dr. ♦ Bloomingdale, IL 60108 ♦ 800-757-6686 ♦ www.ctscorp.com ♦♦♦
REVISION X4
Page 3 of 4
1180026-XXX
20.000 MHz OCXO
Stratum 3E
Package Specifications (continued)
Figure 3
Figure 4
CTS
1180026-XXX
20.000 MHz
S/N
XXXXX
YYWW
Made in China
CTS
1180026-XXX
20.000 MHz
S/N
XXXXX
YYWW
Made in China
TEST #
♦♦♦ CTS ♦ 171 Covington Dr. ♦ Bloomingdale, IL 60108 ♦ 800-757-6686 ♦ www.ctscorp.com ♦♦♦
REVISION X4
Page 4 of 4