Data Sheet - Euroquartz

STRATUM III OSCILLATORS
EQAX-M20S
OCXO with STRATUM III stability
(ACS 8510 Chipset)
OUTLINES AND DIMENSIONS
DESCRIPTION
The Euroquartz EQAX-M20S OCXO conforms to IEC60679-1, Stratum III,
providing a low-noise, stable and reliable source of clock signals.
1
7
14
8
FEATURES
·
·
·
·
·
Standard leaded package
Frequency range from 10MHz to 40MHz
Operating temperature range, -20° to +70°C
Operable temperature -30° to +75°C
Supply Voltage 3.3 Volts
SPECIFICATION
Frequency Range:
Standard Frequency:
Frequency Stability
Initial Tolerance:
Vs. Temperature:
Vs. Supply Voltage Var:
Vs. Load Change:
Long Term Ageing (1st Year):
Long Term Stab. (15 Years):
RF Output
Signal Waveform:
Load:
Rise/Fall Time:
Symmetry (Duty Cycle):
Start-up Time:
Supply Voltage
Minimum:
Typical:
Maximum:
Current Consumption:
Operable Temperature Range:
Storage Temperature Range:
Enclosure:
Weight:
Packing Type:
ESD Sensitivity:
10.0MHz to 40.0MHz
12.800MHz
±500ppb @+25°C
±280ppb -20°~+70°C
±50ppb
±20ppb
±0.8ppm (@40°C after 30 days)
±4.6ppm
HCMOS
15pF
10ns maximum
60%/40%
4ms
+3.13 Volts
+3.30 Volts
+3.47 Volts
300mA maximum (Steady state)
800mA during warm-up
-30°~+75°C
-40°~+85°C
As drawing
5gm
Bulk (Tray Pack)
1500V minimum (IEC6100-4-2)
ORDERING CODE
To order, specify as follows:
EXAMPLE:
FREQUENCY - MODEL
12.800MHz EQAX-M20S
PAD CONNECTIONS
Pad
No.
1
7
8
14
Symbol
Function
NC
GND
RF OUT
Vs
Not Connected
Ground
RF Output
Supply Voltage
ENVIRONMENTAL
Test
Visual inspection,
Dimensions
Sealing tests
IEC 60068
Part . .
IEC 61178-1
Clause . .
Test Conditions
2-17
4.5
4.6
4.8.2
Solderability,
Resistance to
soldering heat
Shock
2-20
4.8.3
2-27
4.8.8
Bump
2-29
4.8.6
Free fall
2-32
4.8.9
Vibration,
Sinsoidal
2-6
4.8.7
Rapid change of
Temperature
2-14
4.8.5
Dry heat
2-2
4.8.11
Damp heat, cyclic
2-30
4.8.12
Cold
2-1
4.8.13
Climatic sequence
1-7
4.8.14
Damp heat, steady
state
Endurance tests,
- ageing
- extended ageing
2-3
4.8.15
Enclosure styles as in
IEC 60122-3, if applic.
Gross Leak: Test Qc
Fine Leak: Test Qk
Test Ta (235±5°C),
method 1 Test Tb,
method 1A, 5s
Test Ea, 3x per axis
100g, 6ms 1/2sine
Test Eb, 4000 bumps/
axis, 40g, 6ms
Test Ed, procedure 1,
2 drops from 1m ht.
Test Fc, 30 min/axis,
10Hz-55Hz, 0.75mm;
55Hz -2kHz, 10g
Test Na, 10 cycles at
extremes of operating
temperature range.
Test Ba, 16 h at upper
temperature.
Test Db variant 1
severity b, 55°C/95%rh
Test Aa, 2h at lower
temperature indicated
by climatic category.
Sequence of 4.8.11,
4.8.12 and 4.8.13
Test Ca, 56 days
4.9.1
4.9.2
30 days @ 85°C
1kh, 2kh, 8kh, @85°C
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 1460 230000 Fax: +44 1460 230001 email: [email protected] web: www.euroquartz.co.uk