VOLTAGE CONTROLLED CRYSTAL OSCILLATORS
SERIES VC71, VC72, AND VC73
TTL / HCMOS / ACMOS
FEATURES
STANDARD 14 PIN DIP PACKAGE
TOLERANCE AND STABILITY TO ±10 PPM
CUSTOM SPECIFICATIONS
SPECIFICATIONS
FREQUENCY RANGE
1.00 MHz TO 30.00 MHz
FREQUENCY STABILITY OVER
TEMPERATURE RANGE (REF.TO 25°C)
±10 PPM TO ±50 PPM MAX AT VC = +2.5 VDC AND VCC = +5.0 VDC (SEE TABLE 1)
0°C TO +50°C
0°C TO +70°C
-40°C TO +85°C
OPERATING TEMPERATURE RANGE
AT VC = +2.5 VDC AND VCC = +5.0VDC AND STANDARD LOAD
STORAGE TEMPERATURE RANGE
OUTPUT WAVEFORM OPTIONS
SUPPLY VOLTAGE
-40°C TO +85°C
TTL, HCMOS, AND ACMOS (SEE TABLE 2)
+5 VDC ±5% (3.3 VDC AVAILABLE)
SUPPLY CURRENT
35 mA MAX AT VC = +2.5 VDC, VCC = +5.0 VDC AND STANDARD LOAD AT 25°C
±50 PPM TO ±100 PPM MIN OVER CONTROL VOLTAGE RANGE
AT VCC = +5.0 V AND STANDARD LOAD AT 25°C
ABSOLUTE PULLING RANGE (APR)
NOMINAL CONTROL VOLTAGE (VC)
SETTABILITY AT Vfo †
CONTROL VOLTAGE RANGE
LINEARITY
+2.5 VDC
+2.5 VDC ±0.5 VDC
+0.5 TO +4.5 VDC
±10% MAX OF BEST STRAIGHT LINE FIT
NORMAL: 40/60% TIGHT: 45/55% (OPTION)
POSITIVE
SYMMETRY
SLOPE
MODULATION FREQUENCY BANDWIDTH
INPUT IMPEDANCE
10 KHz (-3dB) MIN
10 KOHM MIN
ABSOLUTE VOLTAGE RANGE
PHASE NOISE (TYPICAL)
-0.5 TO +7.0 VDC FOR VCC AND VC (NON DESTRUCTIVE)
SEE GRAPH OF PHASE NOISE CHARACTERISTICS
† Vfo IS THE CONTROL VOLTAGE AT WHICH THE OUTPUT FREQUENCY IS EQUAL TO THE NOMINAL FREQUENCY (Fo)
AT +25 °C ±1 °C
ABSOLUTE PULLING RANGE (APR) IS THE MINIMUM GUARANTEED FREQUENCY SHIFT FROM Fo OVER VARIATIONS IN
TEMPERATURE, AGING, POWER SUPPLY, AND LOAD.
OUTPUT AND LOAD CHARACTERISTICS
TEMPERATURE RANGE DESIGNATIONS
TABLE 1
TABLE 2
TTL/HCMOS COMPATIBLE
SYMMETRY: 40/60% TO 60/40% AT +1.4 VDC
TEMPERATURE TEMPERATURE
CODE
APR (MIN)
RANGE
STABILITY
± 10 PPM
± 15 PPM
± 15 PPM
± 20 PPM
± 25 PPM
± 35 PPM
± 10 PPM
± 20 PPM
± 20 PPM
± 25 PPM
± 35 PPM
± 50 PPM
± 20 PPM
± 30 PPM
± 25 PPM
± 35 PPM
± 50 PPM
VOH: +2.4 VDC MIN
VOL: +0.4 VDC MAX
RISE/FALL TIME: 10 ns WITH STANDARD LOAD (20% TO 80%)
TTL - 3 GATES (VC71)
HCMOS - 15 pF (VC72)
ACMOS - 30 pF (VC73)
A
B
C
D
E
F
G
H
I
0°C TO +50°C
0°C TO +50°C
0°C TO +50°C
0°C TO +50°C
0°C TO +50°C
0°C TO +50°C
0°C TO +70°C
0°C TO +70°C
0°C TO +70°C
0°C TO +70°C
0°C TO +70°C
0°C TO +70°C
-40°C TO +85°C
-40°C TO +85°C
-40°C TO +85°C
-40°C TO +85°C
-40°C TO +85°C
± 50 PPM
± 50 PPM
± 50 PPM
± 75 PPM
± 75 PPM
± 100PPM
± 50 PPM
± 50 PPM
± 50 PPM
± 50 PPM
± 75 PPM
± 100 PPM
± 50 PPM
± 50 PPM
± 75 PPM
± 75 PPM
± 100 PPM
TTL/HCMOS COMPATIBLE
SYMMETRY: 40/60% TO 60/40% AT 50% LEVEL
VOH: +4.5 VDC MIN
VOL: +0.5 VDC MAX
RISE/FALL TIME: 5 ns WITH STANDARD LOAD (20% TO 80%)
ACMOS TO DRIVE 3 GATES AT TTL LEVELS
SYMMETRY: 40/60% TO 60/40% AT 50% LEVEL
VOH: +4.5 VDC MIN
VOL: +0.5 VDC MAX
RISE/FALL TIME: 5 ns WITH 30 pF LOAD (20% TO 80%)
J
AVAILABLE OPTIONS
K
L
ENABLE / DISABLE WITH 5 PIN BASE
5.08 mm / .200 in MAXIMUM HEIGHT WITH OPEN BLANK DESIGN
CONSULT RALTRON FOR SPECIFICATIONS
M
N
O
P
Q
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com