EB51W4 Series
EB51W4
• Temperature Compensated
Crystal Oscillator (TCXO)
• HCMOS/TTL Output
• 5.0V Supply Voltage
• SMD package
H 4.5
L 18.3
W 11.7
• Stability to 1.5ppm
• External voltage control option available
• Internal Mechanical Trim (Top of Can)
OSCILLATOR
NOTES
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ELECTRICAL SPECIFICATIONS
Frequency Range
1.200MHz to 40.000MHz
See Table 1
-40°C to 85°C
Operating Temperature Range
Storage Temperature Range
Supply Voltage (VDD
)
5.0VDC 5ꢀ
10TTL Load or 15pꢁ HCMOS Load Maximum
3ppm Minimum
Load Drive Capability
Internal Trim (Top of Can)
Control Voltage (External)
Frequency Deviation
Input Current
2.5VDC 2.0VDC , Positive Transfer Characteristic
7ppm Minimum, 20ppm Maximum
20mA Maximum
at VC = 2.5VDC 2.0VDC, VDD = 5.0VDC
< 27.000MHz
> 27.000MHz
35mA Maximum
Aging (at 25°C)
1ppm / year Maximum
See Table 1
0.3ppm Maximum
Frequency Stability
vs. Operating Temperature Range
vs. Input Voltage ( 5ꢀ)
vs. Load ( 2pꢁ)
0.2ppm Maximum
2.4VDC Minimum
Output Voltage Logic High (VOH
)
w/TTL Load
w/HCMOS Load
VDD-0.5VDC Minimum
0.4VDC Maximum
Output Voltage Logic Low (VOL)
Rise Time / Fall Time
Duty Cycle
w/TTL Load
w/HCMOS Load
0.4VDC to 2.4VDC w/TTL Load;
0.5VDC Maximum
10 nSeconds Maximum
20ꢀ to 80ꢀ of Waveform w/HCMOS Load
at 1.4VDC w/TTL Load; at 50ꢀ of
Waveform w/HCMOS Load
50 10(ꢀ)
Typical Phase Noise
ꢁo = 19.200MHz, at 25°C, at Nominal VDC and VC
at 10Hz Offset
at 100Hz Offset
-70dBc/Hz
-100dBc/Hz
-130dBc/Hz
-140dBc/Hz
-145dBc/Hz
10kHz Minimum
10kOhms Typical
at 1kHz Offset
at 10kHz Offset
at 100kHz Offset
at -3dB with VC = 2.5VDC
Modulation Bandwidth
Input Impedance
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.
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