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参数资料
| 型号： | 19.440MHZ-EQAX-30-37 |
| 厂商： | EUROQUARTZ LTD |
| 元件分类： | TCXO, clock |
| 英文描述： | TCXO, CLOCK, 19.44 MHz, HCMOS OUTPUT |
| 封装： | SMD, 7 PIN |
| 文件页数： | 1/1页 |
| 文件大小： | 65K |
| 代理商： | 19.440MHZ-EQAX-30-37 |
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 1460 230000 Fax: +44 1460 230001 email: info@euroquartz.co.uk web: www.euroquartz.co.uk
STRATUM III OSCILLATORS
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
EQAX-30
OUTLINES AND DIMENSIONS
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.
FEATURES
SPECIFICATION
Frequency Range:
10.0MHz to 30.0MHz
Standard Frequencies:
12.800MHz, 19.440MHz
Frequency Stability
Initial Tolerance:
±1.0ppm @+25°C
Vs. Temperature:
±0.28ppm 0°~+50°C (Option 28)
±0.37ppm 0°~+70°C (Option 37)
Vs. Supply Voltage Var:
±0.1ppm
Vs. Load Change:
±0.1ppm
Long Term Ageing (1st Year):
±0.8ppm (@40°C)
Long Term Stab. (15 Years):
±4.6ppm
RF Output
Signal Waveform:
HCMOS
Load:
15pF
Rise/Fall Time:
10ns maximum
Symmetry (Duty Cycle):
60%/40%
Start-up Time:
4ms
Phase Noise (16.384MHz)
-90dBc @10Hz offset
-120dBc @ 100Hz offset
-140dBc @ 1kHz offset
-145dBc @ 10kHz offset
Supply Voltage
Minimum:
+3.13 Volts
Typical:
+3.30 Volts
Maximum:
+3.47 Volts
Current Consumption:
15mA maximum (Steady state)
Operable Temperature Range:
-30°~+75°C
Storage Temperature Range:
-40°~+85°C
Enclosure:
As drawing
Weight:
9gm
Packing Type:
Tape & Reel (IEC 60286-3)
ESD Sensitivity:
1500V minimum (IEC6100-4-2)
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
Pad
No.
Symbol
Function
PAD CONNECTIONS
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
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
4.9.1
4.9.2
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
30 days @ 85°C
1kh, 2kh, 8kh, @85°C
Test
IEC 60068
Part . .
IEC 61178-1
Clause . .
ENVIRONMENTAL
Test Conditions
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)
相关PDF资料 |
PDF描述 |
|---|---|
| 12.800MHZ-EQAX-30-37 | TCXO, CLOCK, 12.8 MHz, HCMOS OUTPUT |
| 19012B | INTERCONNECTION DEVICE |
| 19035-0012 | 2 mm2, COPPER ALLOY, WIRE TERMINAL |
| 19036-0002 | 0.8 mm2, COPPER ALLOY, WIRE TERMINAL |
| 19037-0007 | 2 mm2, BRASS, WIRE TERMINAL |
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