Ultra Miniature SMD HCMOS TCXO
Page 1 of 1
Model: FOX351 Series
RoHS Compliant / Pb Free
http://www.foxonline.com/need_a_sample.htm
Rev. 2/23/2013
• PART NUMBER SELECTION
Part Number
835-Frequency-xxxxx
835A-Frequency-xxxxx
835B-Frequency-xxxxx
FOX351C
FOX351D
FOX351G
Model Number
Supply Voltage (V
dd
)
3.3V±5%
2.8V±5%
2.5V±5%
• ELECTRICAL CHARACTERISTICS
PARAMETERS
MAX
(unless otherwise noted)
4.000 ~ 54.000
-30ºC ~ +75ºC
-40ºC ~ +125ºC
+2.5V ~ +3.3 V
dc
±5%
See table below
10uA
±1.5 PPM
±2.5 PPM
±0.2 PPM
±0.2 PPM
5nS
5nS
45% ~ 55%
10%V
dd
90%V
dd
M
in
15pF
±1.0PPM
10mS
250nS
10mS
-145dBc/Hz Typical
260ºC / 10 Seconds
1
Au
Frequency Range (MHz)
Temperature Range
Operating (T
opr
)
Storage (T
stg
)
Supply Voltage (V
dd
)
Input Current (I
dd
)
Standby Current
Initial Frequency Tolerance @ 25ºC
(after 2 reflows)
Frequency Stability
Over Temp Range
Over Supply Voltage Change (V
dd
±5%)
Over Load Range (15pF ±10%)
Rise Time (10% ~ 90% V
dd
) (t
r
)
Fall Time (90% ~ 10% V
dd
) (t
F
)
Symmetry (50% V
dd
)
output Voltage (V
ol
)
(V
oh
)
output Load
(C
l
)
Aging per year
Startup Time
(Ts)
Disable Time
Enable Time
Phase Noise @ 10kHz offset
Reflow Soldering Temp
Moisture Sensitivity Level (MSL)
Termination Finish
• INPUT CURRENT
(I
dd
) (mA Max)
4 ~ 10MHz
2.5V
3.1
2.8V
3.4
3.3V
4.0
10+ ~ 20MHz
3.7
4.1
4.8
20+ ~ 30MHz
4.2
4.7
5.5
30+ ~ 40MHz
4.6
5.2
6.0
40+ ~ 54MHz
5.5
6.0
7.0
All dimensions are in millimeters.
• STANDARD FREQUENCIES
1
5.000MHz
16.000MHz
32.000MHz
1
2
10.000MHz
20.000MHz
40.000MHz
12.000MHz
24.000MHz
44.000MHz
Does not imply a stocked part.
An internal pullup resistor from pin 1 to pin 4 allows active output if pin 1 is left open.
Dimensional drawing is for reference to critical specifications defined by size measurements.
Certain non-critical visual attributes, such as side castellations, reference pin shape etc. may
vary. All specifications are subject to change without notice
• ENABLE / DISABLE FUNCTION
OUTPUT (Pin 3)
(Pin 1)
2
ACTIVE
OPEN
'1' Level V
ih
≥
70%V
dd
ACTIVE
'0' Level V
il
≤
30%V
dd
High Z
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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