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參數(shù)資料
| 型號(hào)： | VA4TWL-51.840 |
| 廠商： | RALTRON ELECTRONICS CORP |
| 元件分類： | XO, clock |
| 英文描述： | VCXO, CLOCK, 38.88 MHz, HCMOS OUTPUT |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 195K |
| 代理商： | VA4TWL-51.840 |
VCXO
Page 1 of 3
RALTRON ELECTRONICS CORP.
§ 10651 N.W. 19
th 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
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:
Common Frequencies: 16.384 MHz; 19.44 MHz; 27 MHz; 38.88 MHz; 51.84 MHz; 77.76 MHz
+3.3 VDC HCMOS
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
+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
0.9 * Vcc MIN
0.1 * Vcc MAX
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 +3.3
VDC
Settability
Vfo
+1.65
± 0.25
VDC
Absolute Pull Range
APR
Minimum guaranteed freq. pull over
f/fc
See Part Numbering
ppm
Input Impedance
Zin
10 MIN
k
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
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)
VA4: 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: 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.
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