VCXO
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RALTRON ELECTRONICS CORP. § 10651 N.W. 19th St § Miami, Florida 33172 § U.S.A.
phone: (305) 593-6033 § fax: (305) 594-3973 § e-mail: sales@raltron.com § WEB: http://www.raltron.com
VA2 SERIES: 9.3X8.5mm VCXO OSCILLATOR, HCMOS, +5.0 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 multiple 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 +5.0 VDC HCMOS
Ø Frequency Range from 1 to 100 MHz
n ELECTRICAL PARAMETERS:
PARAMETER SYMBOL TEST CONDITIONS*1 VALUE UNIT
Nominal Frequency fo 1.000 ~ 100.000 MHz
Supply Voltage Vcc +5.0 ±5% VDC
Supply Current Is 35.0 MAX mA
Output Logic Type HCMOS
Load Connected from output to ground 15 pF
Output Voltage Levels Voh
Vol 0.9 * Vcc MIN
0.1 * Vcc MAX VDC
VDC
Duty Cycle DC Measured at 50% of Vcc 40/60 to 60/40 or 45/55 to
55/45 %
Rise / Fall Time tr / tf Measured at 20/80% and 80/20% Vcc Levels 6.0 MAX *2 ns
Jitter J RMS, Fj = 12 kHz…20 MHz 1 TYP ps
Overall Frequency Stability ∆f/fc Op. Temp., Aging, Load, Supply and Cal. Variations *3 ppm
Control Voltage Range VC Positive slope; 10% linearity MAX 0 to +5.0 VDC
Settability Vfo +2.5 ± 0.5 VDC
Absolute Pull Range APR Minimum guaranteed freq. pull over ∆f/fc See Part Numbering ppm
Input Impedance Zin 10 MIN kΩ
Modulation Bandwidth BW -3 dB 10 MIN kHz
Pin 1 Output Enabled
Output Disabled En
Dis High Voltage or No Connect
Ground 0.7•Vcc MIN
0.3•Vcc MAX VDC
VDC
Absolute voltage range Vcc(abs) Non-Destructive -0.5…+7.0 VDC
*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 UNIT
Operating temperature range
Ta SEE PART NUMBER TABLE °C
Storage temperature range T(stg) -55…+90 °C
n PART NUMBERING SYSTEM:
SERIES SYMMETRY TEMPERATURE
RANGE (°C) APR
(ppml) FREQUENCY
(MHz)
VA2: VCXO
with HCMOS
Output
A: 40/60 to 60/40%
T: 45/55 to 55/45%
R: 0…+50
S: 0…+70
U: -20…+70
W: 0….+85
V: -40…+85
F: ±32 ppm
H: ±50 ppm
K: ±70PPM
G: ±80 ppm
J: ±100 ppm
L: ±130 ppm
1.000…100.000
EXAMPLE: VA2ASH-38.880
VCXO Oscillator, 9.3X8.5mm Package, +5.0 VDC Supply Voltage, HCMOS Output, Standard Symmetry, 0…+70°C Operating
Temperature Range, ±50 ppm APR, 38.880 MHz
VCXO
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RALTRON ELECTRONICS CORP. § 10651 N.W. 19th St § Miami, Florida 33172 § U.S.A.
phone: (305) 593-6033 § fax: (305) 594-3973 § e-mail: sales@raltron.com § WEB: http://www.raltron.com
Please consult the factory for any custom requirements.
n MECHANICAL PARAMETERS:
OUTLINE TOLERANCE:
±0.006” / 0.15mm
(Unless otherwise 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.
VCXO
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RALTRON ELECTRONICS CORP. § 10651 N.W. 19th St § Miami, Florida 33172 § U.S.A.
phone: (305) 593-6033 § fax: (305) 594-3973 § e-mail: sales@raltron.com § WEB: http://www.raltron.com
§ TAPE AND REEL
