Data Sheet

VF594
V C X O
VF594
HCMOS/TTL Compatible
Surface Mount Ceramic Package
F E AT U R E S
Wide Frequency Range
• Very Low Phase Jitter
at All Frequencies
• Wide Pullability (±1000ppm
available at some frequencies)
•
Absolute
Max. Ratings
Parameter
#3
0.550" TYP
(13,97mm)
0.130" TYP
(3,302mm)
0.185" MAX
(4,70mm)
0.018" TYP
(0,457mm)
Ts
–55
+85
°C
Control Voltage
Vc
–1
9
V
160
MHz
F
Frequency
Stability
∆F/F
Input Voltage
Vcc
Input Current
Icc
±25
4.75
3.15
No Load
5.00
3.30
Tr/Tf
20% to 80%
Logic “1” Level
Voh
Max Load
Logic “0” Level
Vol
Max Load
Start–up Time
Ts
40
FREQUENCY STABILITY
Code
Specification
S
±20
±25
ABSOLUTE PULL RANGE (ppm)
ppm
ppm (std.)
Code
Specification
XXXX
±50 ppm (std.)
up to ±1000 ppm
Environmental
and Mechanical
VF594
FREQ.
(customer to specify)
Code
Specification
H
±5%
±10% (std.)
Code
Specification
1
0°C to +70°C (std.)
-40°C to +85°C
INPUT VOLTAGE
Code
Specification
L
3.3 Volt ±5%
5.0 Volt ±5% (std.)
Example: VF594-77.76MHz: Frequency Stability ±25ppm, Duty Cycle
±10%, Input Voltage 5.0 Volt ±5%, Operating Temperature 0°C to +70°C,
APR ±50ppm, Frequency 77.76MHz.
Electrical
Connections
OPERATIONAL TEMP. RANGE
DUTY CYCLE
V
Std.
LV Opt.
mA
@20MHz
60
%
1
6
ns
2
0.9Vcc
0.1Vcc
2
1σ
10
ms
1
ps
fj>1KHz
@–3db
Modulation BW
@Vc = 2.5V
10
KHz
Input Impedance
fm<10KHz
50
KOhm
Vcc = 5.0V
Vcc = 3.3V
0.0
0.0
Setability (Vc
for center freq)
Creating a Part Number
5.25
3.45
50
Vc
Monotonic,
Positive
APR
2.50
1.65
Vc0
5.00
3.30
50
75
@25°C, Fnom.
2.00
1.20
V
3
ppm/V Vcc = 5.0V
Vcc = 3.3V
±50
ppm
Linearity
All dimensions are typical unless otherwise specified.
ppm
12
@1.4V
Rise/Fall Time
Absolute
Pull Range
#3
1.54
Vs. Temp., Vcc
Note
10 TTL gates or 50pF MAX, AC coupled 50 Ohm
termination recommended @ Freq. >54 MHz
#2
#4
Unit
Storage Temp.
Control Voltage
0.300" (7,62mm)
Mounting Center
Max
V
Deviation Slope
#1
Typ
7.0
Phase Jitter
0.200"
(5,08mm)
Min
–0.5
Duty Cycle
#2
Electrical
#1
0.385"
(9,78mm)
Condition
Vcc
Load
VF594
44.776MHz
BO1H
0.350"
(8,89mm)
Input Break
Down Voltage
Frequency
Range
EMI Shielded
• Standard Footprint
• Wide Operating Temperature
•
#4
Symb
2.50
1.65
±20
%
4
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–Output
Pin #2–Ground, Case
Pin #4–Vcc
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.
75 South Street, Hopkinton, MA 01748
800-982-5737
508-435-6831
Fax: 508-435-5289 www.valpeyfisher.com
85
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