¨ Stability to ±25 PPM
¨ +3.3Vdc or +5.0Vdc Operation
¨ HCMOS Output
¨ Operating Temperature to –40°C to +85°C
¨ Output Enable
Model 357
5x7mm Low Cost
Surface Mount VCXO
¨ Tape & Reel
Electrical Characteristics
(Load = 15 pF)
Symbol
VCC
Parameter
Min
Typical
Max
Unit
Supply Voltage
Model 357S
Model 357L
4.5
2.97
5.0
3.3
5.5
3.63
V
V
Operating Supply Current
Model 357S
Model 357L
ICC
-
-
-
-
40
50
mA
mA
Output Voltage Levels
Model 357S
Logic '1' Level
VOH
VOL
0.9 * Vcc
-
-
-
-
V
V
Logic '0' Level
Model 357L
0.1 * Vcc
-
Logic '1' Level
Logic '0' Level
VOH
VOL
0.9 * Vcc
-
-
-
0.1 * Vcc
V
V
Output Transition Times
Rise Time
TR
TF
-
-
-
-
-
-
5.0
5.0
nS
nS
mS
%
Fall Time
Start Up Time
-
-
10.0
55
Output Duty Cycle (@ 50% Level)
SYM
45
Phase Jitter (Bandwidth 12K – 20M Hz)
-
-
< 1
-
pS RMS
Output Clock Frequency
Model 357S
Model 357L
fO
1.5
1.5
-
-
45
45
MHz
MHz
Control Voltage
Model 357S
Model 357L
VC
0.5
0.3
2.5
1.65
4.5
3.0
V
V
Absolute Pull Range (Note 1)
Model 357L, 357S
-
32,50,80 or
-
-
± PPM
(See Ordering Information)
100
Linearity
L
-
-
-
10
-
%
-
Transfer Function
Input Impedance
Modulation Roll-off (@ -3dB)
-
Positive
ZC
-
50
10
-
-
-
KOhms
KHz
-
Notes
1. Minimum guaranteed (voltage controlled) frequency shift over all conditions (temperature, aging, power supply and
load) for the required lifetime at the average effective ambient operating temperature.
¨ ¨ ¨ CTS Frequency Products ¨ 171 Covington Drive ¨ Bloomingdale, IL 60108 ¨ 630-924-3500 ¨ ¨ ¨
Rev. X6