FREQUENCY
XOHyb SMD QEN79
Defense airborne – Crystal oscillator – XO
General Specification (rev-A)
Description ..........................................................................P02
Marking ................................................................................P02
Mechanical drawing and Pin out ..........................................P03
Reflow Soldering Profile.......................................................P03
Frequency
XOHyb SMD QEN79
Defense airborne – Crystal oscillator – XO
General Specification (rev-A)
Description
True Hybrid product with die and wire bonding to a ceramic substrate
3 points crystal resonator, seam sealing cover.
Case type (s) : SMD package 4 J lead 14 x 9 x 3.37mm typical
Frequency Range : 1.75MHz to 80MHz
Temperature Range : from -40° to +85°C up to -55° C to +125°
C
C
Overall Frequency Stability vs. Temperature Range : +/-50 to +/-100ppm
Including calibration at 25°C and load and power su pply changes
Ageing per year: +/-5ppm at 45°C first year
Output Wave Form : square
Supply Voltage : +3.3V or +5V
Options available
: duty cycle 50/50; enable/disable ; tinned pins ; Screening B ; Rugged tests
June 25th , 2007
Marking
QEN79 – AH R I 50 MHz DT 50 SB A
Supply voltage
AH : 5 V
BH :3.3V
Option
R : duty cycle between 45% and 55%
I : enable ( 0V : High impedance)
Frequency at 25° +/- 2°
C
C
between 1.5MHz and 80MHz
Temperature range
DT from -40° to +85°
C
C
AY from -55° to +125°
C
C
Absolute frequency drift
on temperature range
50 : +/- 50ppm
100 : +/- 100ppm
Screening B
according to military standard MIL STD 55310
Rugged tests
VRT : 30 cycles from -55° to +125° ; 10mn/level, ramp 30°
C
C
C/mn
Progressive power-on test from 0V to Vcc
Hot and cold start-up additionnaly to temperature drift measurement
Tinned pins
according to Jedec standard J-STD-0001/D
/T
2
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Frequency
XOHyb SMD QEN79
Defense airborne – Crystal oscillator – XO
General Specification (rev-A)
Mechanical drawing and Pin out
June 25th , 2007
Pin out
#1 :NC or Enable/disable
#2 : GND
#3 : Output frequency
#4 : Power supply
Suggested Reflow Soldering Profile
Reflow soldering:
two times
max
3
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
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