ES54K2 Series
ES54K2
• Temperature Compensated Crystal Oscillators (TCXO)
• Clipped Sinewave Output
• +2.5V Supply Voltage
• External Voltage Control Option
• 4 Pad Ceramic SMD Package
• RoHS Compliant (Pb-Free)
H 0.9
L 2.5
W 2.0
OSCILLATOR
NOTES
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ELECTRICAL SPECIFICATIONS
16.367667MHz, 16.368MHz, 16.369MHz, 19.200MHz, 26.000MHz, 38.400MHz, 40.000MHz
Nominal Frequency
Frequency Stability
vs. Frequency Tolerance (25°C 2°C, VDD=2.5VDC)
vs. Operating Temperature Range (VDD=2.5VDC)
vs. Input Voltage ( 5ꢀ)
1.0ppm Maximum
See Table 1
0.2ppm Maximum
0.2ppm Maximum
1.0ppm Maximum
1.0ppm / Year Maximum
See Table 1
vs. Load ( 1kΩ// 1pF)
vs. Reflow (at 25°C, 1 hour after reflow, 2 times)
Aging (at 25ºC)
Operating Temperature Range
2.5VDC 5ꢀ
Supply Voltage (VDD
)
16.367667MHz to 25.999MHz
26.000MHz to 40.000MHz
2.0mA Maximum
2.5mA Maximum
Input Current
External DC-Cut Capacitor Required, 150pF NPO Recommended 0.8Vp-p Clipped Sinewave Minimum
Output Voltage
10kOhms // 10pF
1.4VDC 1.0VDC
Load Drive Capability
Control Voltage
5ppm Minimum
Frequency Deviation
Linearity
10ꢀ Maximum
Positive Transfer Characteristic
500kOhms Minimum
-55°C to 125°C
Transfer Function
Input Impedance
Storage Temperature Range
Start Up Time
2mSec Maximum
At offset of 100Hz
At offset of 1kHz
At offset of 10kHz
-115dBc/Hz Typical
-135dBc/Hz Typical
-148dBc/Hz Typical
Phase Noise
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
REV.DATE
01/10
ECLIPTEK CORP.
OSCILLATOR
ES54K2
CERAMIC
2.5V
OS7T
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.