EURO
QUARTZ
High Shock SMD Crystal Oscillator
FEATURES
Frequency Range 460kHz to 50MHz
Mechanical shock survivability up to 100,000g
Supply voltage from 0.9V to 5.0Volts available
Low EMI emission
Hermetically sealed package
Low acceleration sensitivity available
Full MIL testing to MIL-PRF-55310 available
SM1 and SM5 versions are pB free
HGXO OSCILLATORS
460kHz to 50MHz
OUTLINE & DIMENSIONS
DESCRIPTION
HGXO oscillators are miniature, surface mount units that can survive
extremely high shocks, up to 100,000g. The design consists of a
hermetically-sealed high shock crystal and a CMOS compatible
integrated circuit housed in a SMD 7.5mm x 5.0mm ceramic package.
SPECIFICATION
Specifications are typical at 25°C unless otherwise indicated. Tighter
specifications are available, contact Euroquartz technical sales.
Supply Voltage:
+0.9V to +5.0 Volts
Calibration Tolerance:
From ±10ppm
Frequency Stability
over Operating Temperature Range**
Commercial (0° ~ +70°C): From ±10ppm
Industrial(-40° ~ +85°C):
From ±20ppm
Military (-55° ~ +125°C):
From ±40ppm
Total Frequency Tolerance**
Commercial (0° ~ +70°C): From ±15ppm
Industrial(-40° ~ +85°C):
From ±20ppm
Military (-55° ~ +125°C):
From ±50ppm
Output Load:
15pF
(Higher loads available)
Rise and Fall Time:
6ns maximum
Duty Cycle:
60/40%
Shock Survival:
Up to 100,000g, 0.5ms, ½ sine
Vibration Survival***:
20g, 10~2000Hz swept sine
Maximum Process Temperature:
260°C for 20 seconds
* Does not include calibration tolerance.
** Frequency over temperature relative to nominal frequency.
*** per MIL-STD-202G Method 204D, Condition D.
Random testing is also available
COMPARISON OF ENABLE/DISABLE OPTIONS
Option 'E'
Option 'T'
PACKAGING OPTIONS
HGXO oscillators are available either tray packed (<250pcs) or tape
and reel (>250 pieces).
16mm tape, 178mm or 330mm reels (EIA 418).
When enabled (PIN 1 is high'*)
Output
Oscillator
Current Consumption:
When disabled (PIN 1 'low')
Output
Oscillator
Current Consumption:
When re-enabled
(PIN 1 from low to high)
Output recovery
Freq. Output
Oscillates
Normal
High 'Z' state
Stops
Very low
Freq. Output
Oscillates
Normal
High 'Z' state
Oscillates
Lower than normal
Delayed
Immediate
* When Pin 1 is allowed to float it is held 'high' by an internal pull-up
resistor.
Option 'N' = Pin 1 not connected internally.
HOW TO ORDER HGXO SMD CRYSTAL OSCILLATORS
Example:
HGXO3D-S-T-SM3-20.0M, 30/50/–/I
HGXO 3
Supply Voltage
0 = 0.9V
1 = 1.8V
2 = 2.5V
3 = 3.0V
4 = 3.3V
5 = 5.0V
D
-
S
T
Enable/Disable
option, E, T or N
-
SM3
-
32.0M,
Frequency
K = kHz
M = MHz
100
Calibration
Tolerance
at 25°C
/ 100
Frequency
Stability over
Temp. Range
(in ppm)
/ – /
I
Shock Level
A = 5,000g
B = 10,000g
C = 20,000g
D = 30,000g
F = 50,000g
G = 75,000g
H = 100,000g
Blank = standard
S = special or
custom
Terminations
Blank = SM1
=Gold plated
SM3 = Solder dipped
SM5 = Solder dipped
(SM1 and SM5 are pB free)
Temp. Range
C = -10° ~ +70°C
I = -40° ~ +85°C
M = -55° ~ +125°C
S = Customer specified
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
Embedded System
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