VCXO
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VA4 SERIES: 9.3X8.5mm VCXO OSCILLATOR, HCMOS, +3.3 VDC
DESCRIPTION: A crystal controlled, high frequency, highly stable, voltage controlled oscillator, adhering to HCMOS
Standards. The output can be Tri-stated to facilitate testing or combined multipl e clocks. This oscillator is ideal for
today's automated assembly environments.
APPLICATIONS AND FEATURES:
Ø
Common Frequencies: 16.384 MHz; 19.44 MHz; 27 MHz; 38.88 MHz; 51.84 MHz; 77.76 MHz
Ø
+3.3 VDC HCMOS
Ø
Frequency Range from 1 to 100 MHz
ELECTRICAL PARAMETERS:
PARAMETER
Nominal Frequency
Supply Voltage
Supply Current
Output Logic Type
Load
Output Voltage Levels
Duty Cycle
Rise / Fall Time
Jitter
Overall Frequency Stability
Control Voltage Range
Settability
Absolute Pull Range
Input Impedance
Modulation Bandwidth
Output Enabled
Output Disabled
Absolute voltage range
Pin 1
Voh
Vol
DC
tr / tf
J
∆f/fc
VC
Vfo
APR
Zin
BW
En
Dis
Vcc(abs)
-3 dB
High Voltage or No Connect
Ground
Non-Destructive
Minimum guaranteed freq. pull over
∆f/fc
Measured at 50% of Vcc
Measured at 20/80% and 80/20% Vcc Levels
RMS, Fj = 12 kHz…20 MHz
Op. Temp., Aging, Load, Supply and Cal. Variations
Positive slope; 10% linearity MAX
Connected from output to ground
SYMBOL
fo
Vcc
Is
TEST CONDITIONS
*1
+3.3
±5%
35.0 MAX
HCMOS
15
0.9 * Vcc MIN
0.1 * Vcc MAX
40/60 to 60/40 or 45/55 to
55/45
6.0 MAX
*2
1 TYP
*3
n
VALUE
1.000 ~ 100.000
UNIT
MHz
VDC
mA
pF
VDC
VDC
%
ns
ps
ppm
VDC
VDC
ppm
kΩ
kHz
VDC
VDC
VDC
0 to +3.3
+1.65
±
0.25
See Part Numbering
10 MIN
10 MIN
0.7•Vcc MIN
0.3•Vcc MAX
-0.5…+7.0
*1 Test Conditions Unless Stated Otherwise: Nominal Vcc, Nominal Load, +25
±3°C
*2 Frequency Dependent
*3 Not All APR’s Available With All Temperature Ranges—Please Consult Factory For Availability
n
ENVIRONMENTAL PARAMETERS:
PARAMETER
SYMBOL
TESTCONDITIONS
*1
VALUE
SEE PART NUMBER TABLE
-55…+90
TEMPERATURE
RANGE (°C)
R: 0…+50
S: 0…+70
U: -20…+70
W: 0….+85
V: -40…+85
APR
(ppml)
F:
±32
ppm
H:
±50
ppm
K: ±70PPM
G:
±80
ppm
J:
±100
ppm
L: ±130 ppm
FREQUENCY
(MHz)
1.000…100.000
UNIT
°C
°C
Operating temperature range Ta
Storage temperature range
T(stg)
n
PART NUMBERING SYSTEM:
SERIES
SYMMETRY
A: 40/60 to 60/40%
T: 45/55 to 55/45%
VA4: VCXO
with HCMOS
Output
EXAMPLE: VA4ASH-38.880
VCXO Oscillator, 9.3X8.5mm Package, +3.3 VDC Supply Voltage, HCMOS Output, Standard Symmetry, 0…+70°C Operating
Temperature Range,
±50
ppm APR, 38.880 MHz
Please consult the factory for any custom requirements.
RALTRON ELECTRONICS CORP.
§
1 0 6 5 1 N . W . 1 9
th
St
§
M i a m i , F l o r i d a 3 3 1 7 2
§
U.S.A.
phone: (305) 593-6033
§
fax: (305) 594-3973
§
e-mail: sales@raltron.com
§
WEB: http://www.raltron.com
VCXO
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n
MECHANICAL PARAMETERS:
OUTLINE TOLERANCE:
±0.006” / 0.15mm
(Unless otherw ise specified)
PIN FUNCTIONS:
[1] VOLTAGE CONTROL
[2] ENABLE / DISABLE
[3] CASE GROUND
[4] OUTPUT
[5] NO CONNECT
[6] SUPPLY VOLTAGE
MARKING:
TBD
*0.01µF external by-pass
filter is recommended as seen on solder pattern.
RALTRON ELECTRONICS CORP.
§
1 0 6 5 1 N . W . 1 9
th
St
§
M i a m i , F l o r i d a 3 3 1 7 2
§
U.S.A.
phone: (305) 593-6033
§
fax: (305) 594-3973
§
e-mail: sales@raltron.com
§
WEB: http://www.raltron.com
VCXO
Page 3 of 3
§
TAPE AND REEL
RALTRON ELECTRONICS CORP.
§
1 0 6 5 1 N . W . 1 9
th
St
§
M i a m i , F l o r i d a 3 3 1 7 2
§
U.S.A.
phone: (305) 593-6033
§
fax: (305) 594-3973
§
e-mail: sales@raltron.com
§
WEB: http://www.raltron.com
模拟与混合信号
