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20433A

  • 20433A
  • image of 连接器 20433A
： 20433A
： CONVERTER
： Analog Devices
：
： -
：
： YES
High Frequency Ultra Performance
MEMS Oscillator
Page 1 of 5
CMC204-SERIES
RALTRON ELECTRONICS 10400 N.W . 33
rd
St Miami, Florida 33172 U.S.A.
phone: +1-305-593-6033 fax: +1-305-594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com
■ Ultra low phase jitter: 0.5ps ( 12kHz to 20MHz )
■ LVCMOS/ LVTTL compatible output
■ SMD package 2.0 x 1.6 mm
PARAMETER
SYMBOL
CONDITION
VALUE
UNIT
Typ.
Max.
Frequency Range
f
0
Any Frequency between Frequency
range, accurate to
6 decimal places
220
MHz
Supply Voltage
Vs
Supply voltages between 2.5V and
3.3V can be supported in increments
of 0.1V
1.8
2.5
2.8
3.3
1.89
2.75
3.08
3.63
V
V
V
V
Supply Current
Is
Vs = 1.8V, f
0
=100MHz, no load
Vs = 2.5V,2.8V and 3.3V f
0
=100MHz,
no load
30
34
33
36
mA
mA
Operating Temperature
T
a
Extended Commercial
Industrial
+70
+85
C
°C
Frequency Stability
Δf/f
0
Including First Year aging, initial
frequency tolerance at 25°C,
Frequency stability over temperature
range, supply variation, load variation
+10
+20
+25
+50
ppm
ppm
ppm
ppm
Long term stability, aging
Δf/Δt
y
Δf/Δt
y
First year
10 years
1.5
5.0
ppm
ppm
Enable / Disable Time
T E/D
f
0
=220MHz, for other frequencies,
T E/D =100ns+ 3 cycles
115
ms
Enable / Disable Current
I
E/D
Vs=1.8V, E/D =GND, output is
weakly pulled down
Vs=2.5V,2.8Vor 3.3V, E/D =GND
output is weakly pulled down
30
31
mA
mA
Standby Current
Istby
STBY=GND,Vs=1.8V
STBY=GND,Vs=2.5V,2.8V or 3.3V
Output is weakly pulled down
10
70


Startup Time
T ST
Measured from the time Vs reaches
its rated maximum value
6
10
ms
Resume Time
T res
Measured from the time STBY pin
crosses 50% threshold
10
ms
Rise/ Fall Time
Tr / Tf
CL = 15pF, 10% - 90% Vs
1.5
2.0
ns
RMS Phase Jitter
J PH
f
0
=156.25MHz,BW 12KHz to 20MHz
0.6
1.0
ps
RMS Period Jitter
J P
f
0
=156.25MHz,Vs=2.5V,2.8V or 3.3V
f
0
=156.25MHz,Vs=1.8V
1.5
2.0
2.0
3.0
ps
ps
Input Voltage High
VIH
Pin 1, E/D or STBY
Vs
Input Voltage Low
VIL
Pin 1, E/D or STBY
30%
Vs
Input pull-up impedance
Z in
100
250
kΩ
ELECTRICAL SPECIFICATIONS
High Frequency Ultra Performance
MEMS Oscillator
Page 2 of 5
CMC204-SERIES
RALTRON ELECTRONICS 10400 N.W . 33
rd
St Miami, Florida 33172 U.S.A.
phone: +1-305-593-6033 fax: +1-305-594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com
LVCMOS
PARAMETER
SYMBOL
CONDITION
VALUE
Min
Typ.
Max
UNIT
Output Levels
V
OH
I
oh
= -3 mA ( Vs=1.8V )
I
oh
= -6 mA ( Vs= 2.5V, 2.8V or 3.3V )
0.9 Vs
V
V
OL
I
ol
=3 mA ( Vs=1.8V )
I
ol
=6 mA ( Vs= 2.5V, 2.8V or 3.3V )
0.1Vs
V
Duty Cycle
DC
f
0
≤165MHz, all Vs
f
0
≥165MHz, all Vs
45
40
55
60
%
%
Output Load
CL
Ta=25 °C
15
pF
OUTPUT CHARACTERISTICS
High Frequency Ultra Performance
MEMS Oscillator
Page 3 of 5
CMC204-SERIES
RALTRON ELECTRONICS 10400 N.W . 33
rd
St Miami, Florida 33172 U.S.A.
phone: +1-305-593-6033 fax: +1-305-594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com
Note: *A pull-up resistor of <10kΩ between ED/STBY pin and Vs is recommended in high noise environment.
BOTTOM VIEW
RECONMENDED LAND PATTERN
PIN
SYMBOL
FUNCTION
1
E/D/STBY
E/D H or Open* :Enable output frequency
L :Disable output frequency , high impedance
STBY H or Open* : Enable output frequency
L : Output is low ( weak pull down) Device goes to sleep
mode. Supply current ( Is ) reduces to Istby
2
GND
Electrical Ground
3
OUTPUT
Output Signal
4
Vs
Supply Voltage
MECHANICAL DIMENSIONS AND PIN FUNCTIONING
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