Model 357
7x5mm Low Cost
HCMOS/TTL Compatible VCXO
ELECTRICAL CHARACTERISTICS
PARAMETER
Maximum Supply Voltage
Maximum Control Voltage
Storage Temperature
Frequency Range
SYMBOL
VCC
VC
TSTG
fO
CONDITIONS
MIN
-0.5
-0.5
-55
TYP
MAX
7.0
VCC
125
77.76
20, 25 or
50
UNIT
V
V
°C
MHz
-
-
-
-
-
-
-
-
1.5
Frequency Stability
(See Note 1 and Ordering Information)
∆f/fO
-
-
-
-
-
± ppm
± ppm
50, 80 or
100
Absolute Pull Range
(See Note 2 and Ordering Information)
APR
-
Operating Temperature
Commercial
Industrial
Supply Voltage
Model 357S, 357W
Model 357L, 357V
Supply Current
TA
-
°C
V
-20
-40
70
85
25
± 10 %
VCC
4.5
2.97
5.0
3.3
5.5
3.63
CL = 15 pF
1.5 MHz to 20 MHz
20.1 MHz to 40 MHz
40.1 MHz to 60 MHz
60.1 MHz to 80 MHz
-
-
-
-
-
5
8
10
12
-
20
30
40
45
30
ICC
mA
CL
VC
Output Load
pF
V
Control Voltage
Model 357S, 357W
Model 357L, 357V
Frequency Deviation
Linearity
V
V
CC = 5.0V
CC = 3.3V
0.5
0.3
-
2.5
1.65
135
5
8
-
4.5
3.0
-
10
15
55
∆f
L
25°C at Time of Shipment, over VC range
< 52 MHz
> 52 MHz
@ 50% Level
± ppm
%
-
Best Straight Line Fit
Output Duty Cycle
Output Voltage Levels
Logic '1' Level
SYM
45
%
VOH
VOL
90%VCC
-
V
CMOS Load
CMOS Load
-
-
-
10%VCC
Logic '0' Level
Output Current Levels
Logic '1' Level
Logic '0' Level
Rise and Fall Time
Input Impedance
Transfer Function
Start Up Time
Modulation Roll-off
Phase Jitter
mA
IOH
IOL
TR, TF
ZC
-
TS
CMOS Load
CMOS Load
@ 10% - 90% Levels
-
-
-
50
-
-
-
-
3.5
-
-14
14
5.0
-
-
10
-
ns
kOhms
-
ms
kHz
-
-
Positive
Application of VCC
@ -3dB
Bandwidth 12 kHz - 20 MHz
-
-
-
-
10
-
tjms
1
ps RMS
Enable Function
Enable Input Voltage
Disable Input Voltage
Enable Time
Notes:
VIH
VIL
TPLZ
Pin 2 or Pin 5 Logic '1', Output Enabled
Pin 2 or Pin 5 Logic '0', Output Disabled
Pin 2 or Pin 5 Logic '1'
2.5
-
-
-
-
-
-
V
0.5
100
ns
1. Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and 10 year aging at an average
operating temperature of +40 °C.
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.
SINGLE SIDE BAND PHASE NOISE
(typical maximum)
Frequency
Offset
Phase Noise
(dBc/Hz) *
Frequency
Offset
Phase Noise
(dBc/Hz) *
10 Hz
100 Hz
1k Hz
-60
-90
-112
10k Hz
100k Hz
≥ 100k Hz
-130
-150
-150
* Results may vary depending on frequency.
Document No. 008-0244-0
Page 2 - 4
Rev. H
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CTS Electronic Components, Inc. ٠
171 Covington Drive ٠
Bloomingdale, IL 60108 ٠
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