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OC14T33A Datasheet, PDF (1/1 Pages) EUROQUARTZ limited – AT-Cut Crystal - Square Wave - 3.3 Volts
EURO QUARTZ
OCXO - OC14T33A SERIES
AT-Cut Crystal - Square Wave - 3.3 Volts
For high stability STRATUM 2 applications
Low Jitter
<±0.6ppm overall frequency tolerance over 15 years
Full size 14 pin dual-in-line package
Supply Voltage 3.3 Volts
AT-Cut Crystal
· EFC (Voltage control) as standard
DESCRIPTION
OC14T33A series oven-controlled crystal oscillators are intended for
Stratum 2 applications requiring low jitter and tight stability <0.6ppm
overall frequency tolerance over 15 years.
OUTLINE & DIMENSIONS
SPECIFICATION
Crystal Cut:
Output Waveform:
Supply Voltage:
Frequency Range:
Initial Calibration Tolerance:
Frequency Stability
over 0° to +60°C:
over -20° to +70°C:
over -40° to +85°C:
vs. Voltage Change:
vs. Ageing:
vs. Load Change:
Warm-up Time:
Voltage Control
Control Voltage Centre:
Freq. Deviation Range:
Control Voltage Range:
Transfer Function:
Input Impedance:
EFC Linearity:
Power Dissipation:
Output
Load:
Output Logic HIGH:
Output Logic LOW:
Duty Cycle:
Rise/Fall Time:
Envionmental
Storage Temperature:
Shock:
Vibration:
PHASE NOISE (at 10MHz)
Offset
1Hz
10Hz
100Hz
1kHz
10kHz
dBc/Hz
-80
-110
-135
-145
-150
AT-cut
Square Wave
+3.3 VDC ±0.15V
1.25MHz to 100.0MHz
±0.5ppm maximum
±0.2ppm typical
±0.075ppm available
±0.3ppm typical
±0.15 available
±0.5ppm typical
±0.25ppm available
<0.1ppm for ±0.15V change
±0.7ppm first year
<±4ppm over 10 years
<0.01ppm for ±5% change
5 minutes maximum
TEST CIRCUIT
+1.65 Volts (VCON)
±4.0ppm min., ref. to 25°C
0V to +3.3Volts
Positive: Increasing control
voltage increases output
frequency.
47k minimum
±10% maximum
1.5W max. at steady state
2.5W max. at turn on
10 LS or 47pF
+2.8V minimum
0.4V maximum
50%±10%
7ns max (20%~80%)
Frequency dependant
-65° to +125°C
2000g, 0.3ms ½ sine
10 ~2000Hz / 10g
PART NUMBER FORMAT
Example: OC14GT33A-10.000-0.15/-20+70
OCXO Package: OC14
RoHS Compliance
G: RoHS Compliant
Blank: Non-compliant
T: Output Squarewave
33: Supply Voltage 3.3Volts
A: AT-Cut Crystal
Nominal Frequency 10.0MHz
Stability in ppm
Operating Temperature Range °C
Lowest Temperature/Highest Temperature
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk