EURO
QUARTZ
Miniature 7.5 x 5.0 x 2.25mm hermetically-sealed package
Shock survivability < 100,000 g
Frequency Range 460kHz to 50MHz
Power Down or Enable/Disable option
Testing to MIL-PRF-55310 available
DESCRIPTION
XO26 Series oscillators are able to survive high shocks up to
100,000g. The design consists of a hermetically sealed high-shock
crystal and a CMOS compatible integrated circuit housed in 7 x 5 x
2.25mm surface mount ceramic package.
SPECIFICATION
Frequency Range:
Supply Voltage:
Output Logic:
Calibration Tolerance:
Frequency Stability
over Temperature*
Commercial (0~70°C):
Industrial (-40~+85°C:
Military (-55~+125°C):
Total Frequency Stability**
Commercial:
Industrial:
Military:
Output Load***:
Start-up Time:
Rise/Fall Time:
Shock Survival:
Vibration Survival:
Packaging:
460kHz to 50.0MHz
1.8, 2.5, 3.3 or 5.0 Volts ±10%
CMOS
from ±5ppm at 25°C
XO26 Series Oscillators
7x5mm SMD High G withstanding CMOS
OUTLINE & DIMENSIONS
±10ppm
±20ppm
±30ppm
±15ppm
±25ppm
±35ppm
15pF
10ms maximum
8ns maximum
<100,000g peak, 0.5ms, 0.5 sine
20g rms, 10-2000Hz random
Tray pack or tape and reel
Notes:
*
Does not include calibration tolerances
**
Frequency over temperature raltive to nominal frequency
***
TTL loads and higher CMOS loads available - contact sales.
Absolute Maximum Ratings
Supply Voltage:
-0.5 to 7.0Volts
Storage Temperature:
-55° to +125°C
Maximum Process Temperature: 260°C for 10 seconds
ENABLE/DISABLE, POWER DOWN, NOT CONNECTED
Option
Power Down
Enable/Disable
Not Connected
Specifying
Code
P
T
Blank
Pad 1*
LOW
HIGH
LOW
HIGH
NC
Pad 3
High Z
Frequency output
High Z
Frequency output
Frequency output
SHOCK WITHSTAND
Code
A
B
C
D
Shock Level
5,000g
10,000g
20,000g
30,000g
Code
F
G
H
Shock Level
50,000g
75,000g
100,000g
PART NUMBERING
Example:
50.000MHz XO26A050UMTA
* Normally HIGH (internal pull-up resistor)
ENABLE/DISABLE vs. POWER DOWN
P - Power Down: When Pad 1 is LOW the oscillator stops running
T - Enable/Disable: When Pad 1 is LOW the internal oscillator
continues to run but the output (Pad 3) is in a
high impedance (Z) state.
Power Down:
Enable/Disable:
Disabled current consumption low,
recovery delayed.
Disabled current consumption lower than normal,
Recovery immediate.
Frequency
Series Designation XO26
Shock Level
(see table above)
Stability*
100 = ±100ppm
50 = ±50ppm
25 = ±25ppm
Output Universal
(CMOS)
Operating Temp. Range
C = Commercial
I = Industrial
M = Military
Pad 1 Function
P = Power Down
T = Enable/Disable
Blank = not connected
Supply Voltage**
Blank = 5.0 Volts
A = 3.3 Volts
B = 2.5 Volts
C = 1.8 Volts
*
**
For other stability requirements enter figure required.
For other supply voltage enter required voltage.
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
PCB Design
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