EQAX30 Datasheet, PDF (1/1 Pages) EUROQUARTZ limited – STRATUM III OSCILLATORS

STRATUM III OSCILLATORS
EQAX-30
TCXO with STRATUM III stability
Incl. Holdover
DESCRIPTION
The Euroquartz EQAX-30 TCXO conforms to IEC60679-1, Stratum III,
providing a low-noise, stable and reliable source of clock signals.
OUTLINES AND DIMENSIONS
FEATURES
· Compact, SMD package
· Frequency range from 10MHz to 30MHz
· Operating temperature range, 0° to +70°C
· Operable temperature -30° to +75°C
· Supply Voltage 3.3 Volts
SPECIFICATION
Frequency Range:
Standard Frequencies:
Frequency Stability
Initial Tolerance:
Vs. Temperature:
Vs. Supply Voltage Var:
Vs. Load Change:
Long Term Ageing (1st Year):
Long Term Stab. (15 Years):
10.0MHz to 30.0MHz
12.800MHz, 19.440MHz
±1.0ppm @+25°C
±0.28ppm 0°~+50°C (Option 28)
±0.37ppm 0°~+70°C (Option 37)
±0.1ppm
±0.1ppm
±0.8ppm (@40°C)
±4.6ppm
RF Output
Signal Waveform:
Load:
Rise/Fall Time:
Symmetry (Duty Cycle):
Start-up Time:
Phase Noise (16.384MHz)
Supply Voltage
Minimum:
Typical:
Maximum:
Current Consumption:
Operable Temperature Range:
Storage Temperature Range:
Enclosure:
Weight:
Packing Type:
ESD Sensitivity:
HCMOS
15pF
10ns maximum
60%/40%
4ms
-90dBc @10Hz offset
-120dBc @ 100Hz offset
-140dBc @ 1kHz offset
-145dBc @ 10kHz offset
+3.13 Volts
+3.30 Volts
+3.47 Volts
15mA maximum (Steady state)
-30°~+75°C
-40°~+85°C
As drawing
9gm
Tape & Reel (IEC 60286-3)
1500V minimum (IEC6100-4-2)
ORDERING CODE
To order, specify as follows:
FREQUENCY - MODEL - OPTION
EXAMPLE:
12.800MHz EQAX-30-28
This provides EQAX-30 at 12.800MHz with option ‘28’
(frequency stability ±0.28ppm)
PAD CONNECTIONS
ENVIRONMENTAL
Pad
No.
Symbol
Function
1
NC Not Connected
2
NC Not Connected
3`
Vs
Supply Voltage
4
RF OUT RF Output
5
NC Not Connected
6
NC Not Connected
7
GND Ground
Test
Visual inspection,
Dimensions
Sealing tests
Solderability,
Resistance to
soldering heat
Shock
Bump
Free fall
Vibration,
Sinsoidal
Rapid change of
Temperature
Dry heat
Damp heat, cyclic
Cold
Climatic sequence
Damp heat, steady
state
Endurance tests,
- ageing
- extended ageing
IEC 60068 IEC 61178-1 Test Conditions
Part . .
Clause . .
2-17
2-20
2-27
2-29
2-32
2-6
2-14
2-2
2-30
2-1
1-7
2-3
4.5
4.6
4.8.2
4.8.3
4.8.8
4.8.6
4.8.9
4.8.7
4.8.5
4.8.11
4.8.12
4.8.13
4.8.14
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: [phone] Fax: [phone] email: [e-mail] web: www.euroquartz.co.uk