VA4TWK-27.000 [RALTRON]
HCMOS Output Clock Oscillator, 1MHz Min, 100MHz Max, 27MHz Nom;
| 型号： | VA4TWK-27.000 |
| 厂家： | 
Raltron Electronics Corporation |
| 描述： | HCMOS Output Clock Oscillator, 1MHz Min, 100MHz Max, 27MHz Nom 机械 振荡器 |
| 文件： | 总3页 (文件大小：195K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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
Ø
Ø
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
fo
TEST CONDITIONS*1
VALUE
1.000 ~ 100.000
UNIT
Nominal Frequency
Supply Voltage
Supply Current
Output Logic Type
Load
MHz
VDC
mA
Vcc
Is
+3.3 ±5%
35.0 MAX
HCMOS
15
Connected from output to ground
Measured at 50% of Vcc
pF
Voh
Vol
0.9 * Vcc MIN
VDC
VDC
Output Voltage Levels
Duty Cycle
0.1 * Vcc MAX
40/60 to 60/40 or 45/55 to
55/45
6.0 MAX *2
DC
%
Rise / Fall Time
Jitter
tr / tf
J
Measured at 20/80% and 80/20% Vcc Levels
RMS, Fj = 12 kHz…20 MHz
ns
ps
1 TYP
*3
Overall Frequency Stability
Df/fc
Op. Temp., Aging, Load, Supply and Cal. Variations
ppm
Control Voltage Range
Settability
VC
Vfo
APR
Zin
Positive slope; 10% linearity MAX
Minimum guaranteed freq. pull over Df/fc
-3 dB
0 to +3.3
VDC
VDC
ppm
kW
+1.65 ± 0.25
See Part Numbering
10 MIN
Absolute Pull Range
Input Impedance
Modulation Bandwidth
BW
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
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ENVIRONMENTAL PARAMETERS:
PARAMETER
Operating temperature range Ta
Storage temperature range T(stg)
SYMBOL
TESTCONDITIONS*1
VALUE
UNIT
SEE PART NUMBER TABLE
-55…+90
°C
°C
n
PART NUMBERING SYSTEM:
TEMPERATURE
RANGE (°C)
APR
(ppml)
FREQUENCY
SERIES
SYMMETRY
(MHz)
VA4: VCXO
with HCMOS
Output
A: 40/60 to 60/40% R: 0…+50
T: 45/55 to 55/45% S: 0…+70
U: -20…+70
F: ±32 ppm
H: ±50 ppm
K: ±70PPM
G: ±80 ppm
J: ±100 ppm
L: ±130 ppm
1.000…100.000
W: 0….+85
V: -40…+85
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.
R A L T R O N E L E C T R O N I C S C O R P . §1 0 6 5 1 N . W . 1 9 t h 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 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
*0.01mF external by-pass
filter is recommended as seen on solder pattern.
R A L T R O N E L E C T R O N I C S C O R P . §1 0 6 5 1 N . W . 1 9 t h 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
R A L T R O N E L E C T R O N I C S C O R P . §1 0 6 5 1 N . W . 1 9 t h 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
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