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)
ES54K2
H 0.9
L 2.5
W 2.0
OSCILLATOR
NOTES
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ELECTRICAL SPECIFICATIONS
Nominal Frequency
Frequency Stability
16.367667MHz, 16.368MHz, 16.369MHz, 19.200MHz, 26.000MHz, 38.400MHz, 40.000MHz
vs. Frequency Tolerance (25°C ±2°C, V
DD
=2.5V
DC
)
vs. Operating Temperature Range (V
DD
=2.5V
DC
)
vs. Input Voltage (±5%)
vs. Load (±1kΩ//±1pF)
vs. Reflow (at 25°C, 1 hour after reflow, 2 times)
Aging (at 25ºC)
Operating Temperature Range
Supply Voltage (V
DD
)
Input Current
Output Voltage
Load Drive Capability
Control Voltage
Frequency Deviation
Linearity
Transfer Function
Input Impedance
Storage Temperature Range
Start Up Time
Phase Noise
At offset of 100Hz
At offset of 1kHz
At offset of 10kHz
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
±1.0ppm Maximum
See Table 1
±0.2ppm Maximum
±0.2ppm Maximum
±1.0ppm Maximum
±1.0ppm / Year Maximum
See Table 1
2.5V
DC
±5%
16.367667MHz to 25.999MHz
26.000MHz to 40.000MHz
2.0mA Maximum
2.5mA Maximum
10kOhms // 10pF
1.4V
DC
±1.0V
DC
±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
CLASS
REV
.
DATE
External DC-Cut Capacitor Required, 150pF NPO Recommended 0.8Vp-p Clipped Sinewave Minimum
ECLIPTEK CORP.
OSCILLATOR
ES54K2
CERAMIC
2.5V
OS7T
01/10
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=1.4V
DC
±1.0V
DC
FREQUENCY
PACKAGING OPTIONS
Blank=Bulk
TR=Tape and Reel
Y
Y
Y
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
Frequency Stability
X denotes availability for any valid frequency
Y denotes availability for frequencies < 26.001MHz
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
SUGGESTED SOLDER PAD LAYOUT
ALL DIMENSIONS IN MILLIMETERS
0.9 MAX
4
1
MARKING
ORIENTATION
0.60 ±0.15
0.9 (X4)
0.8 (X4)
2.50
±0.15
0.50
±0.15 (X4)
3
2
1.45
±0.15
1.25
Solder Land
(X4)
2.00
±0.15
0.70 ±0.15
(X4)
0.55
Pin 1: Control Voltage or No Connection
Pin 2: Case Ground
Pin 3: Output
Pin 4: Supply Voltage
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
All Tolerances are ±0.1
TAPE
A
8.0 ±.2
B
3.5±.1
C
2.75±.1
D
4 ±.1
E
2±.1
F
REEL
M
1.5 MIN
N
50 MIN
O
20.2 MIN
P
13±2-.2
Q
40 MIN
QTY/REEL
1,000
F
4±.1
G
B0*
H
1.55 ±.05
J
A0*
K
.25 ±.05
L
K0*
R
2.5 MIN
S
10 MIN
T
14.4 MAX
U
360 MAX
V
8.4+1.5-0
*Compliant to EIA 481A
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 2003
MIL-STD-883, Method 1010
MIL-STD-202, Method 210
MIL-STD-202, Method 215
MARKING SPECIFICATIONS
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
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
ES54K2
CERAMIC
2.5V
OS7T
01/10
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
