EB51W4
Series
• Temperature Compensated
Crystal Oscillator (TCXO)
• HCMOS/TTL Output
• 5.0V Supply Voltage
• SMD package
• Stability to 1.5ppm
• External voltage control option available
• Internal
Mechanical
Trim (Top of Can)
NOTES
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EB51W4
H 4.5
L 18.3
W 11.7
OSCILLATOR
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ELECTRICAL SPECIFICATIONS
Frequency Range
Operating Temperature Range
Storage Temperature Range
Supply Voltage (V
DD
)
Load Drive Capability
Internal Trim (Top of Can)
Control Voltage (External)
Frequency Deviation
Input Current
Aging (at 25°C)
Frequency Stability
1.200MHz to 40.000MHz
See Table 1
-40°C to 85°C
5.0V
DC
±5%
10TTL Load or 15pF HCMOS Load Maximum
±3ppm Minimum
2.5V
DC
±2.0V
DC
, Positive Transfer Characteristic
±7ppm Minimum, ±20ppm Maximum
20mA Maximum
35mA Maximum
±1ppm / year Maximum
See Table 1
±0.3ppm Maximum
±0.2ppm Maximum
2.4V
DC
Minimum
V
DD
-0.5V
DC
Minimum
0.4V
DC
Maximum
0.5V
DC
Maximum
10 nSeconds Maximum
50 ±10(%)
at V
C
= 2.5V
DC
±2.0V
DC
, V
DD
= 5.0V
DC
< 27.000MHz
> 27.000MHz
vs. Operating Temperature Range
vs. Input Voltage (±5%)
vs. Load (±2pF)
w/TTL Load
w/HCMOS Load
w/TTL Load
w/HCMOS Load
0.4V
DC
to 2.4V
DC
w/TTL Load;
20% to 80% of Waveform w/HCMOS Load
at 1.4V
DC
w/TTL Load; at 50% of
Waveform w/HCMOS Load
Fo = 19.200MHz, at 25°C, at Nominal V
DC
and V
C
at 10Hz Offset
at 100Hz Offset
at 1kHz Offset
at 10kHz Offset
at 100kHz Offset
at -3dB with V
C
= 2.5V
DC
SERIES
PACKAGE
Output Voltage Logic High (V
OH
)
Output Voltage Logic Low (V
OL
)
Rise Time / Fall Time
Duty Cycle
Typical Phase Noise
Modulation Bandwidth
Input Impedance
MANUFACTURER
CATEGORY
-70dBc/Hz
-100dBc/Hz
-130dBc/Hz
-140dBc/Hz
-145dBc/Hz
10kHz Minimum
10kOhms Typical
VOLTAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
EB51W4
Metal SMD
5.0V
OS1G
01/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
EB51W4 E 25 V - 12.800M
OPERATING TEMP. RANGE
One Letter Code Per Table 1
FREQUENCY STABILITY
Two Digit Code Per Table 1
FREQUENCY
EXTERNAL TRIM
N=None (No Connection on Pin 1)
V=External Control Voltage
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
SUGGESTED SOLDER PAD LAYOUT
ALL DIMENSIONS IN MILLIMETERS
Pin 1: Voltage Control or No Connection
Pin 2: Case Ground
Pin 3: Output
Pin 4: Supply Voltage
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
Tolerances= +0.1
TAPE
A
J
B
K
C
L
D
4.0±0.1
E
2.0±0.1
F
16.0±0.1
G
12.5±0.1
REEL
S
1.5 MIN
T
50 MIN
U
a
32.4+2-0
V
QTY/REEL
1,000
W
40 MIN
32.0±0.3 30.2±0.15 14.2±0.15
20.2 MIN 13.0±0.2
H
M
15.3±0.1
N
Q
R
X
2.5 MIN
Y
10 MIN
Z
360 MAX
1.5 +0.1-0.0 22.2±0.1 0.40 ±0.05 5.0±0.1
4.7±0.1 1.5+0.1/-0 1.7+0.1/-0
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
Characteristic
Fine Leak Test
Gross Leak Test
Mechanical Shock
Vibration
Solderability
Temperature Cycling
Resistance to Soldering Heat
Resistance to Solvents
Specification
MIL-STD-883, Method 1014, Condition A
MIL-STD-883, Method 1014, Condition C
MIL-STD-202, Method 213, Condition C
MIL-STD-883, Method 2007, Condition A
MIL-STD-883, Method 2002
MIL-STD-883, Method 1010
MIL-STD-202, Method 210
MIL-STD-202, Method 215
##
PACKAGE
MARKING SPECIFICATIONS
Line 1: ECLIPTEK
Line 3: XX.XXX M
Frequency in MHz (5 Digits Maximum + Decimal)
Line 4: XX Y ZZ
Week of Year
Last Digit of Year
Ecliptek Manufacturing Identifier
MANUFACTURER
CATEGORY
SERIES
Specifications subject to change without notice.
ECLIPTEK CORP.
OSCILLATOR
EB51W4
VOLTAGE
Metal SMD
5.0V
CLASS
1-800-ECLIPTEK
OS1G
REV
.
DATE
WWW.ECLIPTEK.COM
01/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.