OHM4 Series 5.0V CMOS
Oven Controlled Oscillators
May 2008
• Ovenized quartz crystal high precision square
wave generator with a CMOS output.
• 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
V
CC
Supply Voltage
Vi
Vo
Input Voltage
Output Voltage
Unit
-0.5V to +7.0V
-0.5V to V
CC
+ 0.5V
-0.5V to V
CC
+ 0.5V
Reliability
: Environmental Compliance
Parameter
Vibration
Shock
Solderability
Thermal Shock
Condition
10 to 2000 Hz / 10 g
2000 g, 0.3 mS, ½ sine
MIL-STD-883 Method 2003
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.
OHM4 Series 5.0V CMOS
Oven Controlled Oscillators
May 2008
Part Number
(specification values shown are typical, call for other options):
OHM4048052 G
G
010
040
- 20.00M
-XX
Internal code or blank
Frequency MHZ
(standards Shown)
10.000 12.800 16.000 16.384
19.440 20.000 32.768 40.000
Electronic Frequency Control
000
= No EFC
030
= + 3.0 ppm minimum
_
080
= + 8.0 ppm minimum
_
_
150
= + 15.0 ppm minimum
_
999
= + 4.0 ppm with 0 to 10K ohm
Frequency Stability
(examples shown here)
003
= _ 25 ppb for 0
o
C to 60
o
C
+
008
= _ 75 ppb for 0
o
C to 60
o
C
+
005
=
_ 50 ppb for -20
o
C to 70
o
C
+
015
=
+ 150 ppb for -20
o
C to 70
o
C
_
010
=
+ 100 ppb for -40
o
C to 85
o
C
_
025
=
_ 250 ppb for -40
o
C to 85
o
C
+
Upper Operating Temperature
C
= 50
o
C
F
= 65
o
C
J
= 80
o
C
D
= 55
o
C
G
= 70
o
C
K
= 85
o
C
E
= 60
o
C
H
= 75
o
C
L
= 90
o
C
Lower Operating Temperature
A
=10
o
C
D
= -5
o
C
G
= -20
o
C
B
= 5
o
C
E
= -10
o
C
H
= -25
o
C
C
= 0
o
C
F
= -15
o
C
I
= -30
o
C
Series Model
Part Marking:
PLE
Where:
c
= N for no EFC, R for resistor, V for voltage
OHM4050c
fff.fff
= Frequency in MHZ
fff.fff
M
Ymda
= Date code (Year Month Day plus internal code)
ymdannn
nnn
= Device number
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
Month
Code
Day
Code
Day
Code
Day
1
1
D
13
T
25
A
JAN
2
2
E
14
U
26
B
FEB
8
2008
C
MAR
3
3
F
15
V
27
9
2009
D
APR
4
4
G
16
W
28
E
MAY
5
5
H
17
X
29
0
2010
F
JUN
6
6
J
18
Y
30
1
2011
G
JUL
7
7
K
19
Z
31
H
AUG
8
8
L
20
2
2012
J
SEP
9
9
M
21
K
OCT
A
10
N
22
L
NOV
B
11
P
23
M
DEC
C
12
R
24
J
= -30
o
C
K
= -35
o
C
L
= -40
o
C
www.pletronics.com
425-776-1880
2
OHM4 Series 5.0V CMOS
Oven Controlled Oscillators
May 2008
Specification for 5.00V _0.20V over the specified temperature range
+
Item
Frequency Range
Frequency Accuracy vs.
Temperature
Frequency Accuracy vs. Supply
Frequency Accuracy vs. Load
Frequency Accuracy Short Term
Aging
1
st
Year
10 Years
Frequency Control
(positive slope)
Phase Noise
Voltage
Resistance
1 Hz
10 Hz
100 Hz
1,000Hz
Min
10
Max
40
Unit
MHz
ppb
ppb
ppb
ppb
ppm
ppm
ppm
ppm
dBc/Hz
Accumulated for 10 years
0.5V to 5.0V, determined by part number
> 47 K ohm
0 to 10 Kohm, determined by part number
> 4.7 K ohm
Condition
See list of standard frequencies
determined by part number
for Supply change of 0.2V
Load change of
+
10%
_
for periods of 0.1 seconds to 30 seconds
250
-100
-10
-0.5
-0.70
-4.0
-4.0
-4.0
--
--
--
--
--
+ 250
_
+100
+10
+0.5
+0.70
+4.0
+4.0
+4.0
-70
-100
-130
-140
30
CMOS
Warmup
Output Waveform
Output High Level
Output Low Level
Output Symmetry
T
rise
and T
fall
Power Supply Current
sec
within specification after turn on at 0
o
C
0.4
--
40
--
--
--
Warmup
--
-40
-55
--
0.4
60
7
110
70
250
+85
+125
V
V
%
nS
mA
mA
mA
o
Below V
CC
See Load Circuit
Cload = 15 pF
at 50% of V
CC
10% to 90% of V
CC
at -20
o
C
at +30
o
C
for 10 seconds maximum
Part number defines the temperature range to
meet the accuracy specification
Operating Temperature Range
Storage Temperature Range
C
C
o
www.pletronics.com
425-776-1880
3
OHM4 Series 5.0V CMOS
Oven Controlled Oscillators
May 2008
Load Circuit and Test Waveform
Vhigh
90% * Vcc
50% * Vcc
10% * Vcc
Vlow
Ground
Trise
Symmetry
Tfall
ESD Rating
Model
Human Body Model
Charged Device Model
Minimum Voltage
2000
2000
Conditions
MIL-STD-883 Method 3115
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
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Arial
www.pletronics.com
425-776-1880
4
OHM4 Series 5.0V CMOS
Oven Controlled Oscillators
May 2008
PCB Mounting (typical for lead free processing)
Hand soldering is recommended
at 245
o
C
+ 5
o
C for 5 seconds maximum per pin
_
Mechanical:
Inches
A
B
C
D
1
E
1
F
1
Cover:
Kovar
Electroless Nickel Plated
1 µinch (25 µm) typical
Resistance welded to base
Label:
Laser Engraved
G
1
Base:
Kovar
Glass to metal sealed leads
H
I
1
Pin 7 Connected to case
– or –
Not to scale
White Kapton with Black Letters
J
1
0.800 +0.005
_
0.52 +0.005
_
0.315 max
0.250
0.020
0.040 max
0.110
0.300
0.600
0.100
1
mm
20.3 max
13.2 max
8.00 max
6.35
0.51
1.0 max
2.79
7.62
15.24
2.53
PLE
Nominal dimension
Pin
1
7
8
14
Function
EFC
Ground (GND)
Output
Supply Voltage
(V
CC
)
Note
10 K ohm to ground –OR– 0.5 to 5.0V control voltage, depends on option ordered.
Use the 30% value for initial operation
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
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
