MANUFACTURER CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS REV.DATE
ES54K2 Series
• 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)
ECLIPTEK CORP. OSCILLATOR ES54K2 CERAMIC 2.5V OS7T 01/10
OSCILLATOR
ES54K2
NOTES
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800-ECLIPTEK www.ecliptek.com for latest revision Specifications subject to change without notice.
H 0.9
L 2.5
W 2.0
ELECTRICAL SPECIFICATIONS
±1.0ppm Maximum
See Table 1
±0.2ppm Maximum
±0.2ppm Maximum
±1.0ppm Maximum
±1.0ppm / Year Maximum
See Table 1
2.5VDC ±5%
2.0mA Maximum
2.5mA Maximum
0.8Vp-p Clipped Sinewave Minimum
10kOhms // 10pF
1.4VDC ±1.0VDC
±5ppm Minimum
±10% Maximum
Positive Transfer Characteristic
500kOhms Minimum
-55°C to 125°C
2mSec Maximum
-115dBc/Hz Typical
-135dBc/Hz Typical
-148dBc/Hz Typical
16.367667MHz, 16.368MHz, 16.369MHz, 19.200MHz, 26.000MHz, 38.400MHz, 40.000MHz
vs. Frequency Tolerance (25°C ±2°C, VDD=2.5VDC)
vs. Operating Temperature Range (VDD=2.5VDC)
vs. Input Voltage (±5%)
vs. Load (±1kΩ//±1pF)
vs. Reflow (at 25°C, 1 hour after reflow, 2 times)
16.367667MHz to 25.999MHz
26.000MHz to 40.000MHz
External DC-Cut Capacitor Required, 150pF NPO Recommended
At offset of 100Hz
At offset of 1kHz
At offset of 10kHz
Nominal Frequency
Frequency Stability
Aging (at 25ºC)
Operating Temperature Range
Supply Voltage (VDD)
Input Current
Output Voltage
Load Drive Capability
Control Voltage
Frequency Deviation
Linearity
Transfer Function
Input Impedance
Storage Temperature Range
Start Up Time
Phase Noise
MANUFACTURER CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS REV.DATE
ECLIPTEK CORP. OSCILLATOR ES54K2 CERAMIC 2.5V OS7T 01/10
TAPE REEL
*Compliant to EIA 481A
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
MARKING SPECIFICATIONS
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
SUGGESTED SOLDER PAD LAYOUT
ALL DIMENSIONS IN MILLIMETERS
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
Characteristic Specification
Fine Leak Test MIL-STD-883, Method 1014, Condition A
Gross Leak Test MIL-STD-883, Method 1014, Condition C
Mechanical Shock MIL-STD-202, Method 213, Condition C
Vibration MIL-STD-883, Method 2007, Condition A
Solderability MIL-STD-883, Method 2003
Temperature Cycling MIL-STD-883, Method 1010
Resistance to Soldering Heat MIL-STD-202, Method 210
Resistance to Solvents MIL-STD-202, Method 215
Line 1: E XX.XXX
Frequency in MHz (5 Digits Maximum + Decimal)
Line 2: XX Y ZZ
Week of Year
Last Digit of Year
Ecliptek Manufacturing Identifier
800-ECLIPTEK www.ecliptek.com for latest revision Specifications subject to change without notice.
PART NUMBERING GUIDE
ES54K2 C 25 V - 19.200M TR
OPERATING TEMP. RANGE
One Letter Code Per Table 1
FREQUENCY STABILITY
Two Digit Code Per Table 1
CONTROL VOLTAGE
N=None (No Connection on Pin 1)
V=1.4VDC ±1.0VDC
FREQUENCY
PACKAGING OPTIONS
Blank=Bulk
TR=Tape and Reel
Pin 1: Control Voltage or No Connection
Pin 2: Case Ground
All Tolerances are ±0.1
Solder Land
(X4)
1.25
0.55
0.9 (X4)
0.8 (X4)
Frequency Stability
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X denotes availability for any valid frequency
Y denotes availability for frequencies < 26.001MHz
Y
Y
Y
2.50
±0.15
2.00
±0.15
0.9 MAX
0.50
±0.15 (X4)
0.60 ±0.15
0.70 ±0.15
(X4)
MARKING
ORIENTATION
1
2
4
3
1.45
±0.15
Pin 3: Output
Pin 4: Supply Voltage
M N O P Q
1.5 MIN 50 MIN 20.2 MIN 13±2-.2 40 MIN
R S T U V
QTY/REEL
2.5 MIN 10 MIN 14.4 MAX 360 MAX 8.4+1.5-0 1,000
A B C D E F
8.0 ±.2 3.5±.1 2.75±.1 4 ±.1 2±.1
F G H J K L
4±.1 B0* 1.55 ±.05 A0* .25 ±.05 K0*
