OHM4 - Pletronics, Inc.

Stratum 3
Oven Controlled Oscillators
March 2007
• Ovenized quartz crystal high precision square
wave generator with a CMOS output.
• 3.3V or 5.0V operation available
• Tube packaging is available.
•
•
•
•
10 to 40 MHz
Full Size Thru-Hole DIP package
Electronic Frequency Control (EFC) optional
Low Jitter - Good phase noise characteristics
Pletronics Inc. certifies this device is in accordance with the
RoHS 6/6 (2002/95/EC) and WEEE (2002/96/EC) directives.
Pletronics Inc. guarantees the device does not contain the following:
Cadmium, Hexavalent Chromium, Lead, Mercury, PBB’s, PBDE’s
Weight of the Device: 6.2 grams
Moisture Sensitivity Level: 1 As defined in J-STD-020C
Second Level Interconnect code: e1
Absolute Maximum Ratings:
Parameter
Unit
VCC Supply Voltage
-0.5V to +7.0V
Vi
Input Voltage
-0.5V to VCC + 0.5V
Vo
Output Voltage
-0.5V to VCC + 0.5V
Reliability: Environmental Compliance
Parameter
Condition
Vibration
10 to 2000 Hz / 10 g
Shock
2000 g, 0.3 mS, ½ sine
Solderability
MIL-STD-883 Method 2003
Thermal Shock
MIL-STD-883 Method 1011, Condition A
Product information is current as of publication date. The product conforms
to specifications per the terms of the Pletronics standard warranty. Production
processsing does not necessarily include testing of all parameters.
Copyright © 2007, Pletronics Inc.
Stratum 3
Oven Controlled Oscillators
March 2007
Part Number:
OHM4
048052
LKST3
000
- 19.44M
-XX
Internal code or blank
Frequency MHZ (Standards Shown)
12.800 16.384 19.440
20.000 40.000
Electronic Frequency Control
000 = No EFC (Standard)
020 = _
+ 2.0 ppm minimum
040 = _
+ 4.0 ppm minimum
150 = _
+ 15.0 ppm minimum
999 = _
+ 4.0 ppm with 0 to 10K ohm
Stratum 3
Supply Voltage
048052 = 5.0V _
+ 0.20V operation
031035 = 3.3V _
+ 0.20V operation
Series Model
Part Marking:
PLE
OHM4050c
fff.fff M
ymdannn
or
Where: c = N for no EFC, R for resistor, V for voltage
fff.fff
= Frequency in MHz
Ymda
= Date code (Year Month Day plus internal code)
nnn
= Device number
PLE
OHM403c
fff.fff M
ymdannn
Standard values are listed, consult Pletronics Inc. for other options. Specifications such as frequency
stability and operating temperature range, etc. are not identified from the marking. External
packaging labels and packing list will correctly identify the ordered Pletronics part number.
Codes for Date Code YMD
Code
6
7
2006
2007
Year
Code
A
JAN
Month
Code
Day
Code
Day
Code
Day
1
1
D
13
T
25
8
2008
B
FEB
2
2
E
14
U
26
C
MAR
3
3
F
15
V
27
www.pletronics.com
9
2009
D
APR
4
4
G
16
W
28
0
2010
E
MAY
5
5
H
17
X
29
425-776-1880
F
JUN
6
6
J
18
Y
30
1
2011
G
JUL
7
7
K
19
Z
31
2
2012
H
AUG
J
SEP
K
OCT
8
8
L
20
9
9
M
21
A
10
N
22
L
NOV
M
DEC
B
11
P
23
C
12
R
24
2
Stratum 3
Oven Controlled Oscillators
March 2007
Specification for 3.30V and 5.00V +
_0.20V over the specified temperature range
Item
Min
Max
Unit
Condition
10
40
MHz
See list of standard frequencies
Frequency Accuracy vs.
Temperature, Power Supply,
Load and 15 years aging
-4.6
+4.6
ppm
Frequency Stability for 24 hours
vs. Temperature, Power Supply
and Load
-0.28
+0.28
ppb
Short Term Stability
-0.5
+0.5
ppb
0.1 second to 30 seconds
-0.05
+0.05
ppb
for 1 second
-1.0
+1.0
ppm
-----
-70
-100
-130
-140
dBc/Hz
--
30
sec
Frequency Range
Initial Calibration
Phase Noise
1 Hz
10 Hz
100 Hz
1,000Hz
Warmup
Output Waveform
within specification after turn on at 0oC
CMOS
Output High Level
0.5
--
V
Output Low Level
--
0.4
V
Output Symmetry
45
55
%
at 50% of VCC
Trise and Tfall
--
7
nS
10% to 90% of VCC
Power Supply Current
--
160
mA
Vcc = 3.3V
70
mA
Vcc = 5.0V
110
mA
Vcc = 3.3V
70
mA
Vcc = 5.0v
--
250
mA
for 30 seconds maximum
Operating Temperature Range
-40
+85
o
Storage Temperature Range
-65
+125
o
--
Warmup
www.pletronics.com
425-776-1880
Below VCC
See Load Circuit
Cload = 45 pF
at -20oC
at +30oC
C
C
3
Stratum 3
Oven Controlled Oscillators
March 2007
Load Circuit and Test Waveform
Symmetry
Vhigh
90% * Vcc
50% * Vcc
10% * Vcc
Vlow
Ground
Trise
Tfall
ESD Rating
Model
Minimum Voltage
Conditions
Human Body Model
2000
MIL-STD-883 Method 3115
Charged Device Model
2000
JESD 22-C101
Package Labeling
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Courier New
Bar code is 39-Full ASCII
www.pletronics.com
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Arial
425-776-1880
4
Stratum 3
Oven Controlled Oscillators
March 2007
PCB Mounting (typical for lead free processing)
Hand soldering is recommended at 245oC +
_ 5oC for 5 seconds maximum per pin
Mechanical:
Inches
PLE
Cover:
Kovar
Electroless Nickel Plated
1 μinch (25 μm) typical
Resistance welded to base
Label:
Laser Engraved
Base:
Kovar
Glass to metal sealed leads
Pin 7 Connected to case
– or –
White Kapton with Black Letters
Pin
Not to scale
mm
A
0.800 +
_0.005
20.3 max
B
0.52 +
_0.005
13.2 max
C
0.315 max
8.00 max
D1
0.250
6.35
E1
0.020
0.51
F1
0.040 max
1.0 max
G1
0.110
2.79
H
0.300
7.62
I1
0.600
15.24
J1
0.100
2.53
1
Nominal dimension
Function
Note
1
EFC
Connected to Ground (standard)
–OR–
10 K ohm to ground
–OR–
0.5 to Vsupply control voltage, depends on option ordered.
Use the 30% value for initial operation
7
Ground (GND)
8
Output
14
Supply Voltage
(VCC)
Recommend connecting appropriate power supply bypass capacitors as close as
possible.
Layout and application information
For Optimum Jitter Performance, Pletronics recommends:
•
Minimize air flow over the oscillator
•
Stabilize the power supply voltage for best performance.
www.pletronics.com
425-776-1880
5
Stratum 3
Oven Controlled Oscillators
March 2007
IMPORTANT NOTICE
Pletronics Incorporated (PLE) reserves the right to make corrections, improvements, modifications and
other changes to this product at anytime. PLE reserves the right to discontinue any product or service
without notice. Customers are responsible for obtaining the latest relevant information before placing
orders and should verify that such information is current and complete. All products are sold subject to
PLE’s terms and conditions of sale supplied at the time of order acknowledgment.
PLE warrants performance of this product to the specifications applicable at the time of sale in accordance
with PLE’s limited warranty. Testing and other quality control techniques are used to the extent PLE
deems necessary to support this warranty. Except where mandated by specific contractual documents,
testing of all parameters of each product is not necessarily performed.
PLE assumes no liability for application assistance or customer product design. Customers are
responsible for their products and applications using PLE components. To minimize the risks associated
with the customer products and applications, customers should provide adequate design and operating
safeguards.
PLE products are not designed, intended, authorized or warranted to be suitable for use in life support
applications, devices or systems or other critical applications that may involve potential risks of death,
personal injury or severe property or environmental damage. Inclusion of PLE products in such
applications is understood to be fully at the risk of the customer. Use of PLE products in such applications
requires the written approval of an appropriate PLE officer. Questions concerning potential risk
applications should be directed to PLE.
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patent right, copyright, artwork or other intellectual property right relating to any combination, machine or
process which PLE product or services are used. Information published by PLE regarding third-party
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warranty or endorsement thereof. Use of such information may require a license from a third party under
the patents or other intellectual property of the third party, or a license from PLE under the patents or other
intellectual property of PLE.
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Reproduction of this information with alteration is an unfair and deceptive business practice. PLE is not
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PLE for that product or service voids all express and implied warranties for the associated PLE product or
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Contacting Pletronics Inc.
Pletronics Inc.
19013 36th Ave. West
Lynnwood, WA 98036-5761 USA
Tel: 425-776-1880
Fax: 425-776-2760
E-mail: [email protected]
URL: www.pletronics.com
Copyright © 2006, 2007, Pletronics Inc.
www.pletronics.com
425-776-1880
6