Datasheet

DS1080CL
Spread-Spectrum Crystal Multiplier
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= 3.3V, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
DS1080CL toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
3.553.453.353.253.153.05
2
4
6
8
10
12
0
2.95 3.65
f
IN
= 8MHz
CMSEL = 4x
CMSEL = 2x
CMSEL = 1x
SUPPLY CURRENT vs. TEMPRATURE
DS1080CL toc02
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
11085603510-15
2
4
6
8
10
12
14
0
-40
f
IN
= 8MHz
CMSEL = 4x
CMSEL = 2x
CMSEL = 1x
SUPPLY CURRENT vs. FREQUENCY
DS1080CL toc03
FREQUENCY (MHz)
SUPPLY CURRENT (mA)
564840322416
2
4
6
8
10
12
0
864
V
CC
= 3.6V
V
CC
= 3.0V
DUTY CYCLE vs. TEMPERATURE
DS1080CL toc04
TEMPERATURE (°C)
DUTY CYCLE (%)
1106010
46
47
48
49
50
51
52
53
54
55
45
-40
CMSEL = 4x
CMSEL = 2x
f
IN
= 8MHz
CMSEL = 1x
DUTY CYCLE vs. SUPPLY VOLTAGE
DS1080CL toc05
SUPPLY VOLTAGE (V)
DUTY CYCLE (%)
3.53.43.33.23.1
46
47
48
49
50
51
52
53
54
55
45
3.0 3.6
CMSEL = 4x
CMSEL = 2x
f
IN
= 8MHz
CMSEL = 1x
FREQUENCY SPECTRUM AT 64MHz
DS1080CL toc06
FREQUENCY (MHz)
ATTENUATION (dB)
6665646362
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
61 67
-11dB
-15.6dB
-14.1dB