VF946 J/G Series
V C X O
VF946J/G Series
HCMOS/TTL Compatible Tri–State
Hybrid VCXO 6 Pin Ceramic Package
*Not recommended for new designs
Absolute
Max. Ratings
F E AT U R E S
•
Parameter
Input Break
Down Voltage
Storage Temp.
Control Voltage
Frequency
Range
Frequency
Stability
Input Voltage
Input Current
Load
Symb
Vcc
Ts
Vc
F
³F/F
Vcc
Icc
Condition
Min
–0.5
–55
–1
1.5
Typ
Max
7.0
+125
9
52
Unit
V
°C
V
MHz
ppm
V
mA
Note
LE
T
No load
Duty Cycle
@1.4V
40
Rise/Fall Time
Tr/Tf
Voh
Vol
Ts
10% to 90%
0.4V to 2.4V
Max. Load
Max. Load
Electrical
Tristate Output Standard
•
Small 6 Pin DIP
•
Compatible with the popular
S–type VCXO
•
Industrial Temperature Range Available
•
Very Low Phase Jitter
•
High Reliability
•
Frequencies to 52 MHz
0.335"±0.008"
(8,51±0,203mm)
#6
#5
#4
vs. Temp., Vcc
E
±25
4.75
3.15
5.00
3.30
5.25
3.45
30
10 TTL gates or 50pF
50
60
6
4
0.9Vcc
0.1Vcc
15
1
1s
10
50
0.00
0.00
±50
2.50
1.65
5.00
3.30
50
±20
2.00
1.25
2.50
1.65
3.00
2.05
100
Std.
LV Opt.
1
%
ns
V
V
ms
ps
KHz
KOhm
V
ppm
2
0.295"±0.01"
(7,49±0,254mm)
VF946J
19.44MHZ
BO1H
Logic “1” Level
Logic “0” Level
Start–up Time
Phase Jitter
#1
0.128" MAX
(3,25mm)
0.07"±0.010"
(1,78±0,254mm)
#2
#3
0.188" REF
(4,78mm)
0.046"±0.005"
(1,17±0,127mm)
0.018"±0.002"
(0,457±0,05mm)
fj>1KHz
@–3db
Modulation BW
@Vc = 2.5V
fm<10KHz
0.068"
(1,73mm)
0.100"±0.005"
(2,54±0,127mm)
O
VF946G
0.010R TYP
(0,254)
0.053" ± 0.005"
(1,35mm ± 0,254mm)
Input Impedance
Control Voltage
Vc
Vcc = 5.0V
Vcc = 3.3V
Overall, includes
stability
over temp.
Monotonic, posit.
3
0.200"±0.005"
(5,08±0,127mm)
0.010" ± 0.002"
(0,254mm ± 0,05mm)
VF946J
0.010R TYP
(0,254)
0.010" ± 0.002"
(0,254mm ± 0,05mm)
BS
Absolute Pull
Range
(guaranteed
capture range)
Deviation Slope
Linearity
Setability (Vc
for center freq)
Tristate Function
Enable/Disable
Time
Operating
Temperature Range
Mechanical Shock
Thermal Shock
Vibration
Soldering Conditions
Vc0
ppm/V
%
V
4
93
0.050" ± 0.005"
(1,27mm ± 0,127mm)
0.310" ± 0.010"
(7,87mm ± 0,254mm)
0.310" ± 0.010"
(7,87mm ± 0,254mm)
@25°C,
Fnominal
Std
LV opt.
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINITE IMPEDANCE
ns
All dimensions are typical unless otherwise specified.
O
VF946
Specification
±20
±25
ppm
ppm (std.)
Creating a Part Number
Environmental
and Mechanical
FREQ.
ABSOLUTE PULL RANGE (ppm)
0°C to +70°C (–40°C to +85°C available)
Per MIL–STD–202, Method 213, Cond. E
Per MIL–STD–883, Method 1011, Cond. A
Per MIL–STD–883, Method 2007, Cond. A
260°C, for 10s, Max.
Leak rate less than 5 x 10
–8
atm.cc/s of helium
Pin #1– Voltage Control
Pin #3– Case, Ground
Pin #5– N/C
Pin #2– Tristate Control
Pin #4– Output
Pin #6– Vcc
FREQUENCY STABILITY
Code
S
Code
XXX
Specification
±50 ppm (std.)
up to ±100 ppm
(customer to specify)
DUTY CYCLE
Code
H
Specification
±5%
±10% (std.)
PIN CONFIGURATION
Code
J
G
Specification
Electrical
Connections
"J" Bend
Gull Wing
Hermetic Seal
Pin Out
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
Example: VF946SHL-1G-75-44.736MHz: Frequency Stability
±20ppm, Duty Cycle ±5%, Input Voltage 3.3 Volt ±5%, Operating
Temperature -40 C to +85 C, APR ±75ppm, Frequency 44.736MHz.
Pin Configuration Gull Wing
Notes:
1. Frequency dependent.
2. Tighter duty cycle available.
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. Frequency dependent, 30 ppm at F>40MHz.
5. Surface mount available, see VF946G, VF946L.
1
75 South Street, Hopkinton, MA 01748
800-982-5737
508-435-6831
Fax: 508-435-5289 www.valpeyfisher.com
Rev_B1208
