Model 357
5x7mm Low Cost
Surface Mount VCXO
♦
Frequency Stability to ±20 PPM
♦+3.3Vdc
or +5.0Vdc Operation
♦HCMOS
Output
♦Operating
Temperature to –40°C to +85°C
♦Output
Enable Standard
♦Tape
& Reel Packaging
♦Pb
Free
ELECTRICAL CHARACTERISTICS
PARAMETER
Output Frequency Range
Model 357S, 357W
Model 357L, 357V
Frequency Stability (Note 1)
(See Ordering Information)
Absolute Pull Range
(Note 2)
(See Ordering Information)
SYMBOL
f
O
-
-
V
CC
I
CC
C
L
V
C
MIN
1.5
1.5
-
32, 50, 80, 100
4.5
2.97
-
-
-
0.5
0.3
0.9 * Vcc
-
-
45
-
-
-
-
-
50
10
2.5
-
-
TYPICAL
-
-
-
-
5.0
3.3
-
-
-
2.5
1.65
-
-
-
-
-
<1
-
-
Positive
-
-
-
-
-
MAX
80
80
20, 25, 50
-
5.5
3.63
40
50
15
4.5
3.0
-
0.1 * Vcc
5.0
55
10.0
-
10
15
-
-
-
-
0.5
100
UNIT
MHz
MHz
± ppm
± ppm
V
V
mA
mA
pf
V
V
V
V
ns
%
ms
ps RMS
%
-
K Ohms
KHz
V
V
ns
Supply Voltage
Model 357S, 357W
Model 357L, 357V
Operating Supply Current
C
L
= 15pf
Model 357S, 357W
Model 357L, 357V
Output load
Control Voltage
Model 357S, 357W
Model 357L, 357V
Output Voltage Levels
Logic '1' Level
I
OH
= 14 mA
Logic '0' Level
I
OL
= -14 mA
Output Transition Times
(10% to 90%)
Rise & Fall Time
C
L
= 15pf
Output Duty Cycle
(@ 50% Level)
Start Up Time
Phase Jitter
(Bandwidth 12K – 20M Hz)
Linearity
< 52 MHz
> 52 MHz
Transfer Function
Input Impedance
Modulation Roll-off
(@ -3dB)
Tri-state – Oscillator Run
Enable Input Voltage
Disable Input Voltage
Enable/ Disable Time
V
OH
V
OL
T
R,
T
F
SYM
-
-
L
-
Z
C
-
V
IH
V
IL
t
PLZ
Notes
1. Inclusive of initial tolerance at the time of shipment, changes in supply voltage, load and operating
temperature.
2. Minimum guaranteed frequency shift from f
o
over variations in temperature, aging, power supply and load at
an average operating temperature of +40°C for 10 years.
♦♦♦
CTS Communications Components, Inc
.
♦
171 Covington Drive
♦
Bloomingdale, IL 60108
♦
630-924-3500
♦ ♦ ♦
Page 1 of 3
Rev F (redline) ECO #
Document No. 008-0244-0
CTS [ CTS CORPORATION ]
