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參數(shù)資料
| 型號(hào)： | VF594 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Wide Frequency Range, Very Low Phase Jitter, Wide Pullability, Standard Footprint, Wide Operating Temperature, EMI Shielded |
| 中文描述： | 頻率范圍寬，非常低相位抖動(dòng)，寬Pullability，標(biāo)準(zhǔn)足跡，寬工作溫度，電磁屏蔽 |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大?。?/td> | 23K |
| 代理商： | VF594 |
V C X O
VF594-T
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com
86
V F594–T
HCMOS/TTL Compatible Tristate VCXO
Surface Mount Ceramic Package
F E A T U R E S
Wide Frequency Range
Very Low Phase Jitter
at All Frequencies
Wide Pullability (±1000ppm
available at some frequencies)
EMI Shielded
Standard Footprint
0.550" TYP.
(13,97mm)
0.385"
MAX.
(9,78mm)
0.200"
(5,08mm)
0.100"
(2,54mm)
0.130" TYP.
(3,302 mm)
0.185"
MAX.
(4,70mm)
0.350"
MAX.
(8,89mm)
VF594-T
44.736MHZ
BO1H
0.300"
(7,62 mm)
Mounting Center
1
2
3
6
5
4
1
Creating a Part Number
VF594
INPUT VOLTAGE
Code
L
Specification
3.3 Volt
±
5%
5.0 Volt
±
5% (std.)
OPERATIONAL TEMP. RANGE
Code
1
Specification
0
°
C to +70
°
C (std.)
-40
°
C to +85
°
C
ABSOLUTE PULL RANGE (ppm)
Code
XXXX
(customer to specify)
Specification
±
50 ppm (std.)
up to
±
1000 ppm
FREQUENCY STABILITY
Code
S
Specification
±
20
ppm
±
25
ppm (std.)
DUTY CYCLE
Code
H
Specification
±
5%
±
10% (std.)
FREQ.
T
Example: VF594SHL-T-100-44.736MHz: Frequency Stability
20ppm,
Duty Cycle
±
5%, Input Voltage 3.3 Volt
5%, Operating Temperature
0
C to +70
°
C, Tristate Output, APR
±
100ppm, Frequency 44.736MHz.
Notes:
1. Tighter duty cycle available.
2. Frequency dependent. Shorter at higher frequencies.
3. 0V to 5V control voltage available for Vcc 3.3V. Nominal Control Voltage is 2.5V and Setability is ±0.5V
in this case.
4. 10% and 5% available.
All specifications are subject to change without notice.
All dimensions are typical unless otherwise specified.
Parameter
Symb
Condition
Min
Typ
Max
Unit
Note
Input Break
Down Voltage
Vcc
–0.5
7.0
V
Storage Temp.
Ts
–55
+85
°C
Control Voltage
Vc
–1
9
V
Frequency
Range
F
1.54
160
MHz
Frequency
Stability
F/F
Vs. Temp., Vcc
±25
ppm
Input Voltage
Vcc
4.75
3.15
5.00
3.30
5.25
3.45
V
Std.
LV Opt.
Input Current
Icc
No Load
12
mA
@20MHz
Load
Duty Cycle
@1.4V
40
50
60
%
1
Rise/Fall Time
Tr/Tf
20% to 80%
6
ns
2
Logic “1” Level
Voh
Max Load
0.9Vcc
Logic “0” Level
Vol
Max Load
0.1Vcc
Start–up Time
Ts
2
10
ms
Phase Jitter
1
σ
1
ps
fj>1KHz
Modulation BW
fm
@Vc = 2.5V
10
KHz
@–3db
Input Impedance
fm<10KHz
50
KOhm
Control Voltage
Vc
Vcc = 5V
Vcc = 3.3V
0.00
0.00
2.50
1.65
5.00
3.30
V
3
Deviation Slope
Monotonic,
Positive
50
75
ppm/V
Vcc = 5.0V
Vcc = 3.3V
Absolute
Pull Range
APR
±50
ppm
Tristate
Function
Linearity
±20
%
4
Setability (Vc
for center freq)
Vc0
@25°C, Fnom.
2.00
1.20
2.50
1.65
3.00
2.10
V
Vcc = 5.0V
Vcc = 3.3V
Operating
Temperature Range
0°C to +70°C (–40°C to +85°C available)
Mechanical Shock
Per MIL–STD–202, Method 213, Cond. E
Thermal Shock
Per MIL–STD–883, Method 1011, Cond. A
Vibration
Per MIL–STD–883, Method 2007, Cond. A
Soldering Conditions
260°C, for 10s, Max; 230°C, for 90s, Max.
Hermetic Seal
Leak rate less than 5 x 10
–8
atm.cc/s of helium
Pin Out
Pin #1–Voltage Control
Pin #3–Ground, Case
Pin #5–N/C
Pin #2–Tristate Control
Pin #4–Output
Pin #6–Vcc
10 TTL gates or 50pF MAX
AC coupled 50 Ohm termination recommended @ F>54 MHz
A
M
E
E
a
E
C
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINITE IMPEDANCE
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