VF5 9 4 -T
V C X O
VF594–T
HCMOS/TTL Compatible Tristate VCXO
Surface Mount Ceramic Package
F E AT U R E S
Pa ra m e te r
Sy m b
Co n d itio n
Min
Ty p
Ma x
Un it
N o te
Input Break
Down Voltage
Vcc
–0.5
7.0
V
• Wide Frequency Range
• Very Low Phase Jitter
Storage Temp.
Control Voltage
Ts
–55
–1
+85
9
°C
V
Vc
at All Frequencies
Frequency
Range
• Wide Pullability (±1000ppm
available at some frequencies)
F
1.54
160
±25
MHz
Frequency
Stability
∆F/ F
Vs. Temp., Vcc
No Load
ppm
• EMI Shielded
• Standard Footprint
Input Voltage
Vcc
Icc
4.75
3.15
5.00
3.30
5.25
3.45
V
Std.
LV Opt.
Input Current
Load
12
mA
@20MHz
10 TTL gates or 50pF MAX
AC coupled 50 Ohm termination recommended @ F>54 MHz
VF594-T
0.350" MAX.
(8,89mm)
0.385" MAX.
(9,78mm)
Duty Cycle
@1.4V
20% to 80%
Max Load
Max Load
40
50
60
6
%
1
2
44.736MHZ
BO1H
Rise/ Fall Time
Logic “1” Level
Logic “0” Level
Start–up Time
Phase Jitter
Tr/ Tf
Voh
Vol
Ts
ns
0.9Vcc
1
0.1Vcc
2
10
1
ms
ps
0.550" TYP.
(13,97mm)
1σ
fj>1KHz
@–3db
0.185" MAX.
(4,70mm)
0.130" TYP.
(3,302 mm)
Modulation BW
Input Impedance
Control Voltage
fm
Vc
@Vc = 2.5V
fm<10KHz
10
50
KHz
KOhm
V
0.100"
(2,54mm)
Vcc = 5V
Vcc = 3.3V
0.00
0.00
2.50
1.65
5.00
3.30
0.200"
(5,08mm)
3
Deviation Slope
Monotonic,
Positive
50
75
ppm/ V Vcc = 5.0V
Vcc = 3.3V
Absolute
APR
±50
ppm
Pull Range
1
6
2
5
3
4
0.300"
(7,62 mm)
Mounting Center
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINITE IMPEDANCE
Tristate
Function
Linearity
±20
%
V
4
Setability (Vc
for center freq)
Vc0
@25°C, Fnom.
2.00
1.20
2.50
1.65
3.00
2.10
Vcc = 5.0V
Vcc = 3.3V
All dimensions are typical unless otherwise specified.
Operating
Temperature Range
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; 230°C, for 90s, Max.
Leak rate less than 5 x 10–8 atm.cc/ s of helium
Creating a Part Number
Mechanical Shock
Thermal Shock
Vibration
T
FREQ.
VF594
FREQUENCY STABILITY
ABSOLUTE PULL RANGE (ppm)
Code
S
Specification
Code
Specification
±50 ppm (std.)
up to ±1000 ppm
±20
ppm
Soldering Conditions
Hermetic Seal
Pin Out
±25
ppm (std.)
XXXX
(customer to specify)
OPERATIONAL TEMP. RANGE
Code
1
Specification
0°C to +70°C (std.)
-40°C to +85°C
Pin #1–Voltage Control
Pin #3–Ground, Case
Pin #5–N/ C
Pin #2–Tristate Control
Pin #4–Output
Pin #6–Vcc
DUTY CYCLE
Code
H
Specification
±5%
±10% (std.)
INPUT VOLTAGE
Code
L
Specification
3.3 Volt ±5%
5.0 Volt ±5% (std.)
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.
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.
All specifications are subject to change without notice.
86
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com