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
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
MIN
TYPICAL
MAX
UNIT
Output Frequency Range
Model 357S, 357W
Model 357L, 357V
fO
1.5
1.5
-
-
80
80
MHz
MHz
Frequency Stability (Note 1)
-
-
-
-
20, 25, 50
± ppm
(See Ordering Information)
Absolute Pull Range (Note 2)
(See Ordering Information)
32, 50, 80, 100
-
-
± ppm
Supply Voltage
Model 357S, 357W
Model 357L, 357V
VCC
4.5
5.0
3.3
5.5
V
V
2.97
3.63
Operating Supply Current
Model 357S, 357W
CL = 15pf
ICC
CL
VC
-
-
-
-
-
-
40
50
15
mA
mA
pf
Model 357L, 357V
Output load
Control Voltage
Model 357S, 357W
Model 357L, 357V
0.5
0.3
2.5
4.5
3.0
V
V
1.65
Output Voltage Levels
Logic '1' Level
Logic '0' Level
IOH = 14 mA
IOL = -14 mA
VOH
VOL
0.9 * Vcc
-
-
-
-
V
V
0.1 * Vcc
Output Transition Times (10% to 90%)
Rise & Fall Time CL = 15pf
Output Duty Cycle (@ 50% Level)
Start Up Time
TR, TF
SYM
-
-
45
-
-
-
-
5.0
55
10.0
ns
%
ms
Phase Jitter (Bandwidth 12K – 20M Hz)
-
-
< 1
-
ps RMS
Linearity
< 52 MHz
> 52 MHz
L
-
-
-
-
10
15
-
-
-
%
Transfer Function
-
ZC
-
-
Positive
-
Input Impedance
Modulation Roll-off (@ -3dB)
50
10
-
-
K Ohms
KHz
Tri-state – Oscillator Run
Enable Input Voltage
Disable Input Voltage
Enable/ Disable Time
VIH
VIL
2.5
-
-
-
-
V
V
-
-
0.5
100
tPLZ
ns
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 fo 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 ♦ ♦ ♦
Document No. 008-0244-0
Page 1 of 3
Rev F (redline) ECO #