Surface Mount VCXO
ECM VF594T Series
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Wide Frequency Range
Very Low Phase Jitter at all Frequencies
Wide Pullability
Standard Footprint
Wide Operating Temperature
EMI Shielded
Parameter
Frequency Range
Frequency
Stability
Supply Voltage
Supply Current
Load
Duty Cycle
Rise & Fall Times
Logic 鈥?鈥?Level
Logic 鈥?鈥?Level
Start Up Time
Phase Jitter
Modulation BW
Input Impedance
Control Voltage
Pulling Range
Tristate Function
Linearity
Setability (Vc for
center frequency)
Operating Temp
VF594T
1.54MHz to 160.0MHz
+/-25ppm
Notes
Vs. Temp
5V +/-5%
Standard
3.3V +/-5%
Option
12mA @ 20MHz
No Load
10TTL gates or 50pF MAX, AC Coupled
50R Termination recommended @F >54MHz
40 / 60 or 45/55
Specify
6nS max
0.9Vcc min
Max Load
0.1Vcc max
Max Load
10mS max
2mS Typ
1pS max
Fj>1kHz
10kHz @ -3dB min
50K ohm min
Fm<10kHz
0V to 5.0V
Vcc 5.0V
0V to 3.3V
Vcc 3.3V
+/- 50ppm
Or Specify
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINATE IMPEDANCE
+/-5%, +/- 10% +/-20%
Specify
2.50V typ
Vcc 5.0V
1.65V typ
Vcc 3.3V
0
0
0
0
0 C to +70 C (-40 C to+85 C available)
Pin
Function
A
13.97
B
9.78
1
Vc
Environmental & Mechanical
Mechanical
Mil STD 202 Method 213
Cond E
Shock
Thermal
Mil STD 883 Method 1011
Shock
Cond A
Vibration
MIL-STD-883 Method 2007
Cond A
0
Soldering
260 C for 10s max:
0
Condition
230 C for 90s max
-8
Hermetic
Leak rate less than 5x10
Seal
Atm.cc/s of helium
Part Numbering VF594T S L 1 50 46.72M
Series
Stability S=20ppm
Blank=50ppm
Supply V L=3.3 Blank =5.0
Temp Range
1=-40+85 Blank= Std
Pulling Range
Frequency
2
GND/ Case
D
3.30
3
O/P
4
Vcc
F
7.62
G
0.457
H
1.39
C
4.70
E
5.08
Dimensions in mm
ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK
Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk
Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to
discontinue any product or make design changes we believe necessary.
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