EB51W4 Series
EB51W4
• Temperature Compensated
Crystal Oscillators (TCXO)
• HCMOS/TTL Output
• +5.0V Supply Voltage
H 4.5
L 21.3
W 11.7
• Internal Mechanical Trim Function
• External Voltage Control Option
• 4 Pad Metal SMD Package
OSCILLATOR
NOTES
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ELECTRICAL SPECIFICATIONS
Frequency Range
1.200MHz to 40.000MHz
See Table 1
Operating Temperature Range
Storage Temperature Range
-40°C to 85°C
Supply Voltage (VDD
)
5.0VDC 5ꢀ
Load Drive Capability
Internal Trim (Top of Can)
Control Voltage (External)
Frequency Deviation
Input Current
10TTL Load or 15pF CMOS Load Maximum
3ppm Minimum
2.5VDC 2.0VDC , Positive Transfer Characteristic
7ppm Minimum, 20ppm Maximum
20mA Maximum
at VC = 2.5VDC 2.0VDC, VDD = 5.0VDC
< 27.000MHz
35mA Maximum
> 27.000MHz
Aging (at 25°C)
1ppm / year Maximum
See Table 1
Frequency Stability
vs. Operating Temperature Range
vs. Input Voltage ( 5ꢀ)
vs. Load ( 2pF)
0.3ppm Maximum
0.2ppm Maximum
Output Voltage Logic High (VOH
)
2.4VDC Minimum
w/TTL Load
VDD-0.5VDC Minimum
0.4VDC Maximum
w/CMOS Load
Output Voltage Logic Low (VOL)
Rise Time / Fall Time
Duty Cycle
w/TTL Load
0.5VDC Maximum
w/CMOS Load
10 nSeconds Maximum
0.4VDC to 2.4VDC w/TTL Load;
20ꢀ to 80ꢀ of Waveform w/CMOS Load
at 1.4VDC w/TTL Load; at 50ꢀ of
Waveform w/CMOS Load
Fo = 19.200MHz, at 25°C, at Nominal VDC and VC
at 10Hz Offset
50 10(ꢀ)
Typical Phase Noise
-70dBc/Hz
-100dBc/Hz
-130dBc/Hz
-140dBc/Hz
-145dBc/Hz
10kHz Minimum
10kOhms Typical
at 100Hz Offset
at 1kHz Offset
at 10kHz Offset
at 100kHz Offset
Modulation Bandwidth
Input Impedance
at -3dB with VC = 2.5VDC
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
REV.DATE
01/05
ECLIPTEK CORP.
OSCILLATOR
EB51W4
Metal SMD
5.0V
OS1G
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.