1.8V~3.3V, Clipped SINE, SMD TCXO/VCTCXO
RoHS Compliant / Pb Free
Model: FOX923 SERIES
Rev. 6/21/2011
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OPTIONS
FEATURES
• Supply Voltages of 1.8V ~ 3.3V
• 1.2 mm Max Height
• Voltage Control (FOX923E)
• Stabilities to 0.5PPM available (FOX923GP Series)
• Clipped SINE Output
• Tape and Reel (3,000 pcs. STD)
• PART NUMBER SELECTIONLearn More - Internet Required
3.2±0.2
#3
Supply
Voltage (Vdd)
3.3V ±5%
3.3V ±5%
3.0V ±5%
3.0V ±5%
2.8V ±5%
2.8V ±5%
2.7V ±5%
2.7V ±5%
2.5V ±5%
2.5V ±5%
1.8V ±5%
1.8V ±5%
Model
TCXO/
VCTCXO Range (MHz)
TCXO
8.000 ~ 40.000
VCTCXO 8.000 ~ 40.000
TCXO
8.000 ~ 40.000
VCTCXO 8.000 ~ 40.000
TCXO
8.000 ~ 40.000
VCTCXO 8.000 ~ 40.000
TCXO
8.000 ~ 40.000
VCTCXO 8.000 ~ 40.000
TCXO
8.000 ~ 40.000
VCTCXO 8.000 ~ 40.000
TCXO
10.000 ~ 40.000
VCTCXO 10.000 ~ 40.000
Frequency
Part Number
Number
#4
#1
673C-Frequency-xxxxx
638C-Frequency-xxxxx
673-Frequency-xxxxx
638-Frequency-xxxxx
673D-Frequency-xxxxx
638D-Frequency-xxxxx
673F-Frequency-xxxxx
638F-Frequency-xxxxx
673G-Frequency-xxxxx
638G-Frequency-xxxxx
673L-Frequency-xxxxx
638L-Frequency-xxxxx
FOX923C
FOX923CE
FOX923B
FOX923E
FOX923D
FOX923DE
FOX923F
FOX923FE
FOX923G
FOX923GE
FOX923L
FOX923LE
Top
View
Marking
2.5±0.2
#2
Dot deontes
pin 1.
1.2 Max
1.95
• ELECTRICAL CHARACTERISTICS
PARAMETERS
MAX (unless otherwise noted)
8.000 ~ 40.000 MHz
#1
#4
#2
#3
Frequency Range (Fo)
Temperature Range
Bottom
View
0.65
Operating
Storage
Supply Voltage
Input Current
Initial Frequency Tolerance @ 25ºC (after 2 reflows)1
(VCTCXO: Vc = 0.5Vdd)
Frequency Stability
Over Temperature Range
Over Supply Voltage Change (Vdd ± 5%)
Over Load Change (10KΩ//10pF) ±10%
Output Waveform
(Topr)
-30ºC ~ +85ºC
-40ºC ~ +85ºC
1.8V ~ 3.3V
2.0mA
(Tstg)
(Vdd)
(Idd)
Recom m ended
Solder Pad Layout
±2.0 PPM
±2.5 PPM
±0.3 PPM
±0.2 PPM
1.6
1.3
(Clipped Sine)
1.3
0.4
Peak-to-Peak Level (Vp-p)
Output Load
Pullability
0.8V
10KΩ // 10pF ±10%
Vdd = 2.5V~3.3V, Vc = 50% Vdd ±1.0V
Vdd = 1.8V, Vc = 0.9V ±0.6V
Aging per year
±5 ~ ±15PPM
±3 ~ ±5PPM
±1.0PPM
Phase Noise (26.000MHz, @ 10kHz offset)
Reflow Soldering Temp
Moisture Sensitivity Level (MSL)
Termination Finish
-145 dBc/Hz Typical
260ºC / 10 Seconds
1
All dimensions are in millimeters.
Pin Connections
TCXO
#3 Output
#2 GND #4 VDD
VCTCXO
#1Vc #3 Output
#2 GND #4 VDD
Au
#1 NC
1For proper operation, a control Voltage (Vc) must be applied to pin 1 on VCTCXO's.
All specifications subject to change without notice.
FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554 www.foxonline.com
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