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ROX2522S4 Datasheet, PDF (1/2 Pages) TEMEX – The ROX2522S4 is an OCXO Stratum 3E fully compliant
DISCRETE OCXO | STANDARD OCXO IN SMD PACKAGE
ROX2522S4
The ROX2522S4 is an OCXO Stratum 3E fully compliant. Frequencies available are from 10MHz to 40MHz, and power supply options are 3.3V,
5V & 12V. These 25 x 22 mm package series of oscillators are designed with direct heating on a single board.
Features
 Small form factor
 Hold over below 50 µs over 24 hours,
including temperature change
 Standard frequencies: 10, 12.8, 13, 20,
24.576, 26 and 40 MHz
 Package height options: 11.5 and 15.2
( Hermetic package) mm
Applications
 IEEE 1588: G.8263, G.8273.x
 SyncE modules
 Stratum 3E timing modules
 Time and frequency references
 Test equipment
25.4 x 22 mm
Standard Specifications
Parameter
Min.
Nominal frequency
Operating temperature range
-40
Frequency stability over temperature ±5
Temperature slope
Free-run accuracy over 20 years
Supply voltage stability
24 hours holdover performance
Hysteresis effect
Long term stability (Ageing)
Short term 1s to 10s integration time
Retrace effect at 25°C
Supply voltage (VCC)
Power consumption
Warm-up time
Harmonics (Sinewave)
Start-up time
Oscillator output - Sinewave
Oscillator output – Compatible CMOS
Output voltage level high (VOH) 2.4
Output voltage level low (VOL)
Rise & fall time
Environmental
Vibration
Shocks (3 directions)
Storage temperature
-55
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Typ.
Max. Unit
10 - 40
MHz
85
°C
±10 ppb
0.16
ppb/°C
±1
ppm
±2
ppb
±50 µs
0.3
ppb
±0.5 ppb/day
±15 ppb/month
±75 ppb/year
0.01 ppb
±5
ppb
3.3
V
3.5
W
1.5
W
5
minutes
-35
dBc
0.25 sec
3
dBm
V
0.4
V
5
ns
10
g
50
g
90
°C
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Test Condition / Description
Standard frequencies: 10, 12.8, 13, 20, 24.576,
26 and 40MHz
Calm air
0.5°C/minute
Telcordia GR-1244 requirement is ± 4.6 ppm
±5% at 25°C
After 3 days of continuous power on, constant
load and 1% supply change and 50°C window in
operating temperature range, temperature
gradient ( 10 °C / hour)
Over -40 to +85°C, gradient 10°C / hour
After 1 week operation
After 24 hours off and 1 hour on
±5%. Standard options 5V and 12V
During warm-up
Steady state at 25°C calm air
Within 10 ppb of prior steady state output
frequency at time of power-off. 24 hours on min.
+ 24 hours off max.
Signal level with 50 Ω load
IEC 68-2-06 test Fc-Severity 500/10
IEC 68–2-27 test Ea severity 50A
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