Datenblatt

LXOM OSCILLATOR
10 kHz to 2.1 MHz*
Low Power Crystal Oscillator
DESCRIPTION
Statek’s LXOM oscillator 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
3
T
2
*Consult factory for other frequencies.
PACKAGE DIMENSIONS
FEATURES
Low power consumption
D
E
C
Low aging
F
CMOS compatible
Double hermetically sealed package
Full military testing available
H
PIN
NO.1
G
PIN
NO.4
3 Volt operation available
APPLICATIONS
A
B
Industrial, Computer & Communications
General purpose clock oscillator
Data Logger
PIN
NO.8
PIN
NO.5
Remote sensor
Liquid level sensing
Medical test and diagnostics
Military
DIM
inches
mm
A
0 .505 MAX.
12.83 MAX.
B
0 .300 +_ 0.005
7.62 +_ 0.13
Portable field communication
C
0 .430 TYP.
D
0 .225 MAX.
5.72 MAX.
Military high speed modem
E
0 .025 TYP.
0.64 TYP.
Flight recorder
F
0 .150 MIN.
3.81 MIN.
+
_ 0.002
G
0 .018
H
0 .063 TYP.
10.92 TYP.
0.46 +_ 0.05
1.60 TYP.
* Position of bumps for reference only
YS
TEM
C ERT I F I C
AT
N
IS O
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
IO
S
10145- Rev E
90
01
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
Storage Temperature
Supply Voltage (VDD)
5V
+
_
Calibration Tolerance
1
+
_
+
_
+
_
10% (3.3V available)
ELECTRICAL CHARACTERISTICS
LXOM-32.768 kHz
10 ppm (0.001%)
All parameters are measured at ambient temperature
with a 10MΩ and 10pF load at 5V.
25 ppm (0.0025%)
100 ppm (0.01%)
Frequency Stability
SYMBOL PARAMETER
2
+
_
0 C to +50 C
O
-0.3V to 7V
-55OC to +125OC
25 ppm
40 ppm
+
_ 70 ppm
+
_ 100 ppm
O
+
_
-10OC to+70OC
Voltage Coefficient
+
_
Aging
+
_
Typ.
MAX.
Typ.
MAX.
(0.0025%)
(0.004%)
(0.007%)
(0.01%)
1 ppm/V Typ.
+
_ 3 ppm/V MAX.
Shock
Vibration
Frequency Change vs
10%Output Load Change
+
_
Operating Temp. Range
4.8
4.95
Output Voltage Hi
VOL
Output Voltage Lo
0.05 0.2
V
tr
Rise Time (10%-90%)
27
50
ns
tf
Fall Time (10%-90%)
29
50
ns
50
60
%
Supply Current
VDD =5V
6.5
12
VDD =3V
5
10
µA
µA
Duty Cycle
IDD
1000 g, 1 ms,1/2 sine
+
_ 3 ppm MAX.
10 g RMS, 10-2000 Hz
+
_ 3 ppm MAX.
TYP. MAX. UNIT
VOH
SYM
1 ppm/year Typ.
+
_ 3 ppm/year MAX.
MIN.
40
V
PIN CONNECTIONS
Pin
1 ppm MAX.
-10OC to +70OC (Commercial)
-40OC to +85OC (Industrial)
-55OC to +125OC (Military)
Connection
1
INH (Tri-State) or NC
4
Ground
5
Output
8
VDD
1. Tighter tolerances available
2. Does not include calibration tolerance. Positive variations small compared
to negative variations.
PACKAGING
TYPICAL CURRENT CONSUMPTION,
LXOM -Tube Pack
LXOM-32.768 kHz
CURRENT (uA)
OUTPUT WAVE FORM
8
VDD
VOH
7
90%*
6
5
3
2
3
4
5
6
VOL
0
7
V (Volts)
DD
10%*
* Of VDD
tr
tf
HOW TO ORDER LXOM CRYSTAL OSCILLATORS
LXOM
S
T
“S” if special
or custom
design.
Blank if Std.
T = Tri-State
Blank = Pin1
no connection
32.768K
,
Frequency
K = kHz
M = MHz
10
/
Calibration
Tolerance
@ 25OC
(in ppm)
+
+
Temp. Range:
C = -10OC to +70OC
I = -40OC to +85OC
M = -55OC to +125OC
S = Customer Specified
10145 - Rev E
YS
TEM
C ERT I F I C
AT
IO
S
Other calibration fill in ppm.
Standard Calibration Tolerances for
frequencies other than 32.768 kHz:
1) 100 ppm (0.01%)
2) 300 ppm (0.03%)
3) 1000 ppm (0.1%)
I
N
IS O
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
90
01
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