VCXO Page 1 of 3 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: n PARAMETER TEST CONDITIONS *1 SYMBOL VALUE UNIT Nominal Frequency fo 1.000 ~ 100.000 MHz Supply Voltage Vcc +3.3 ±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 Duty Cycle DC Measured at 50% of Vcc Rise / Fall Time tr / tf Measured at 20/80% and 80/20% Vcc Levels 0.9 * Vcc MIN 0.1 * Vcc MAX 40/60 to 60/40 or 45/55 to 55/45 6.0 MAX *2 Jitter J RMS, Fj = 12 kHz…20 MHz 1 TYP 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 +3.3 VDC Settability Vfo +1.65 ± 0.25 VDC Absolute Pull Range APR See Part Numbering ppm Input Impedance Zin 10 MIN kΩ Modulation Bandwidth BW -3 dB 10 MIN kHz Pin 1 En Dis Vcc(abs) High Voltage or No Connect Ground Non-Destructive 0.7•Vcc MIN 0.3•Vcc MAX -0.5…+7.0 VDC VDC VDC Output Enabled Output Disabled Absolute voltage range Minimum guaranteed freq. pull over ∆f/fc VDC VDC % ns ps *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 -55…+90 °C n T(stg) PART NUMBERING SYSTEM: SERIES VA4: VCXO with HCMOS Output SYMMETRY A: 40/60 to 60/40% T: 45/55 to 55/45% 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 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: [email protected] § WEB: http://www.raltron.com VCXO Page 2 of 3 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: [email protected] § 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: [email protected] § WEB: http://www.raltron.com