OC18T Datasheet, PDF (1/4 Pages) Mercury United Electronics Inc – 5 pin solder sealed metal package

OC18T
Square Wave
OC18E
Best stability
Min.
Max.
±0.01 ppm ( SC-cut )
Voltage Control
5 pins
12V
5.0V
1.25 MHz
100 MHz
True Sine Wave
±0.02 ppm ( AT-cut )
Applications
● OC18_ ( 20.3 * 20.3 * 10.5 mm ) , 5 pin solder sealed metal package
● +12.0V , +5.0V Supply Voltages
● " AT - cut " crystal or " SC - cut " crystal
● Voltage control ( Electronic Frequency Tuning ) is standard .
General Specifications ( at+25°C and specified input voltage )
Type of Crystal Cut Used
Output Wave From
Supply Voltage
Supply Voltage range , " Voltage code "
Frequency Range
Initial Calibration Tolerance
Frequency
Stability
vs Temperature ( ppm )
0 ~ 60 °C
-20 ~ 70°C
-40 ~ 85°C
vs Warm -up time (+25°C)
vs Aging
vs Voltage Change
vs Load Change
Voltage Control
Freq. Deviation Range
On pin 1 (EFC) Control Voltage Range
Transfer Function
( Electronic
Input Impedance
Freq. Tuning ) EFC Linearity
Power
Power Dissipation ( at +25°C )
Output Level ( for True Sine )
Harmonic ( for True Sine )
Spurious ( for True Sine )
Load ( Fan out )
Output Logic High ( V _OH )
Output Logic Low ( V_OL )
Duty Cycle ( at 50% Vcc )
Output
Rise and Fall Time ( 20% ~ 80%)
Reference Voltage
Phase Noise ( 10.0 MHz )
[ Unit : dBc / Hz ] ( typical )
Storage Temperature
Shock
Vibration
AT - cut , use " A " for crystal code ; SC - cut , use " S " for crystal code .
Square wave. Wave form code is “ T ”
True Sine Wave. Wave form code is “ E ”
+12V
+5 V
+12V
+5 V
+12V ± 0.5V , " 12 "
+5.0V ± 0.2V , " 5 "
+12V ± 0.5V , " 12 "
+5.0V ± 0.2V , " 5 "
1.25 ~ 100.0 MHz
1.25 ~ 100.0 MHz
10.0 ~ 100.0 MHz
10.0 ~ 100.0 MHz
± 0.5 ppm ( max.)
± 0.5 ppm ( max.)
± 0.5 ppm ( max.)
± 0.5 ppm ( max.)
Vcon = +2.5 V
Vcon = +2.5 V
Vcon = +2.5 V
Vcon = +2.5 V
AT - cut
SC - cut
AT - cut
SC - cut
AT - cut
SC - cut
AT - cut
SC - cut
± 0.02
± 0.01
± 0.02
± 0.01
± 0.02
± 0.01
± 0.02
± 0.01
± 0.05
± 0.01
± 0.05
± 0.01
± 0.05
± 0.01
± 0.05
± 0.01
± 0.1
± 0.03
± 0.1
± 0.03
± 0.1
± 0.03
± 0.1
± 0.03
AT - cut : 3.0 minutes ( max.) , within ± 0.5 ppm of its reference frequency .
SC - cut : 1.0 minutes ( max.) , within ± 0.1 ppm of its reference frequency .
AT - cut : ± 5.0 ppb ( max.) / day , ± 0.5 ppm ( max.) / first year , ± 3.0 ppm ( max.) over 10 years .
SC - cut : ± 2.0 ppb ( max.) / day , ± 0.1 ppm ( max.) / first year , ± 0.5 ppm ( max.) over 10 years .
≦ ±20 ppb , supply voltage ±5 % variation
≦ ±20 ppb , for a ±5 % load condition change .
AT - cut : ± 5.0ppm (min.) , ± 20ppm (max.) Reference to fo at +25°C and over operating temperature range .
SC - cut : ± 0.5ppm (min.) , ± 2.0ppm (max.) Reference to fo at +25°C and over operating temperature range .
2.5 V ± 2.0 V
Positive : Increasing control voltage increases output frequency .
100 K ohms ( min.)
± 10 % ( max.)
200 mA (max.) at steady-state ; 500 mA (max.) at turn-on
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+3 dBm ( typ.) , +8 dBm ( max.) into 50Ω load .
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-30 dBc ( min.)
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-75 dBc ( min.)
15 pF HCMOS ( max.)
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+4.5 V ( min.)
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+ 0.5 V ( max.)
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50 % ± 10%
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5 nS ( max.) ( measured at 20% → 80% of waveform )
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+ 4.0 VD.C. ± 0.3 VD.C. or custom
Offset
Crystal Type
AT - cut SC - cut
Offset
Crystal Type
AT - cut SC - cut
Offset
Crystal Type
AT - cut SC - cut
Offset
Crystal Type
AT - cut SC - cut
1 HZ
-75
-85
1 HZ
-75
-85
1 HZ
-75
-85
1 HZ
-75
-85
10 Hz
-100
-120
10 Hz
-100
-120
10 Hz
-100
-120
10 Hz
-100
-120
100 Hz
-130
-140
100 Hz
-130
-140
100 Hz
-130
-140
100 Hz
-130
-140
1 KHz
-140
-145
1 KHz
-140
-145
1 KHz
-140
-145
1 KHz
-140
-145
10 KHz
-150
-150
10 KHz
-150
-150
10 KHz
-150
-150
10 KHz
-150
-150
- 55°C to + 125°C
2000 G's , 0.3 ms 1/2 sine
10 to 2000 Hz / 10 G's
Mercury www .mercury-crystal.com
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