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LXOM OSCILLATOR
10 kHz to 2.1 MHz*
TM
Low Power Crystal Oscillator
DESCRIPTION
The LXOM oscillator has the highest accuracy, stability and lowest current of all STATEK oscillators. The design consists of a CMOS-compatible hybrid circuit, packaged in a hermetically-sealed, half-size metal DIP. Permanent, precision tuning of the oscillator is accomplished by laser trimming the crystal after it has been hermetically sealed in a ceramic package and connected to the oscillator circuit. This method of fine tuning allows for very tight calibration tolerance and eliminates the need for a trimming capacitor, a major source of long-term frequency drift. The specifications and characteristics of the LXOM vary with frequency. The characteristics of the 32.768 kHz model are presented in this data sheet.
2k 2T-3
*Consult factory for other frequencies.
PACKAGE DIMENSIONS
FEATURES
D
E F H G PIN NO.4
Low power consumption Low aging CMOS compatible Double hermetically sealed package Full military testing available 3 Volt operation available
C
PIN NO.1
A
APPLICATIONS
B
Industrial, Computer & Communications General purpose clock oscillator Data Logger Remote sensor Liquid level sensing Medical test and diagnostics Military Portable field communication Military high speed modem Flight recorder
PIN NO.8
PIN NO.5
DIM A B C D E F G H
INCHES 0 .505 MAX.
_ 0 .300 + 0.005
mm 12.83 MAX.
_ 7.62 + 0.13
0 .430 TYP. 0 .225 MAX. 0 .025 MAX. 0 .150 MIN.
_ 0 .018 + 0.002
10.92 TYP. 5.72 MAX. 0.64 TYP. 3.81 MIN.
_ 0.46 + 0.05
0 .063 TYP.
1.60 TYP.
* Position of bumps for reference only
10145- Rev D
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
SPECIFICATIONS: LXOM 32.768 kHz
ABSOLUTE MAXIMUM RATINGS
Specifications are typical at 25oC unless otherwise noted. Specifications are subject to change without notice. Supply Voltage (VDD) Calibration Tolerance* 5V A: B: C: Frequency Stability** 0OC to +50OC -20 C to+70 C Voltage Coefficient Aging Shock Vibration
O O
Supply Voltage VDD Storage Temperature
-0.3V to 7V -55OC to +125OC
+ _ + _ + _ + _
10% (3.3V available) .001% (10ppm) .0025% .01% Typ. MAX. Typ. MAX.
+ _
ELECTRICAL CHARACTERISTICS
LXO-M-32.768 kHz
All parameters are measured at ambient temperature with a 10M and 10pF load at 5V.
SYMBOL PARAMETER MIN. 4.8 TYP. MAX. UNIT 4.95 0.05 0.2 12 12 40 50 7 5 25 25 60 15 10 V V nsec. nsec. % A A
-0.0025% -0.004% -0.007% -0.01%
25ppm + _ 40ppm + _ 70ppm + _ 100ppm
VOH VOL tr tf SYM IDD
Output Voltage Hi Output Voltage Lo
Rise Time (10%-90%) Fall Time (10%-90%) Duty Cycle Supply Current VDD =5V VDD =3V
1 ppm/V Typ. 3 ppm/V MAX. 1 ppm/year Typ. 3 ppm/year MAX. 1000g, 1msec.,1/2 sine 3 ppm MAX. 10g rms, 10-2000 Hz 3 ppm MAX.
Frequency Change vs 10%Output Load Change 1 ppm MAX. Operating Temperature -10OC to +70OC Commercial -40OC to +85OC Industrial -55OC to +125OC Military
* Tighter tolerances available ** Does not include calibration tolerance. Positive variations small compared to negative variations. TYPICAL CURRENT CONSUMPTION,
PIN CONNECTIONS
Pin 1 4 5 8
Connection INH (Tri-State) or NC Ground Output VDD
PACKAGING
LXOM -Tube Pack (Standard)
LXOM-32.768 kHz
OUTPUT WAVE FORM
CURRENT (uA)
12 10 8 6 4 2 3 4 VDD (Volts) 5 6 7
VDD VOH
90%* 10%*
VOL 0
* Of VDD
tr
tf
HOW TO ORDER LXOM CRYSTAL OSCILLATORS LXOM S "S" if special or custom design. Blank if Std.
*Other calibration fill in ppm Frequencies other than 32.768 kHz _ A: + 0.01%
_ B: + 0.03% _ C: + 0.1%
32.768 kHz Frequency T = Tri-State Blank = Pin1 no connection
(
A *Calibration Tolerance @25OC (A) (B) (C)
/
I
)
Temp. Range: C = Commercial I = Industrial M = Military S = Specify
10145 - Rev D
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com

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