Typical operating characteristics – Rainbow Electronics MAX31D80 User Manual
Page 4

Spread-Spectrum Clock Generators
MAX31C80/MAX31D80
4_ _ _______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)
FREQUENCY SPECTRUM AT 100MHz
WITH DOWN DITHER
MAX31C80 toc07
FREQUENCY (MHz)
ATTENUATION (dB)
100
98
-50
-40
-30
-20
-10
0
-60
96
f
CLKOUT
= 100MHz
CENTER DITHER = -3%
-16.56dB
FREQUENCY SPECTRUM AT 122MHz
WITH CENTER SPREAD
MAX31C80 toc06
FREQUENCY (MHz)
ATTENUATION (dB)
123.2
121.2
-50
-40
-30
-20
-10
0
-60
119.2
f
CLKOUT
= 122MHz
CENTER DITHER = ±1.5%
-14.23dB
DUTY CYCLE
vs. TEMPERATURE
MAX31C80 toc05
TEMPERATURE (°C)
DUTY CYCLE (%)
110
60
10
42
44
46
48
50
52
54
56
58
60
40
-40
f
CLKOUT
= 100MHz
V
CC
= 3.6V
V
CC
= 3.3V
V
CC
= 3.0V
DUTY CYCLE
vs. SUPPLY VOLTAGE
MAX31C80 toc04
SUPPLY VOLTAGE (V)
DUTY CYCLE (%)
3.4
3.2
42
44
46
48
50
52
54
56
58
60
40
3.0
3.6
f
CLKOUT
= 100MHz
T
A
= +125°C
T
A
= +25°C
T
A
= -40°C
SUPPLY CURRENT
vs. OUTPUT FREQUENCY
MAX31C80 toc03
OUTPUT FREQUENCY (MHz)
SUPPLY CURRENT (mA)
104
80
56
32
5
10
15
20
25
0
8
V
CC
= 3.3V
SUPPLY CURRENT
vs. TEMPERATURE
MAX31C80 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
110
85
-15
10
35
60
17
19
21
23
25
27
29
15
-40
f
IN
= 27MHz
f
CLKOUT
= 100MHz
V
CC
= 3.6V
V
CC
= 3.3V
V
CC
= 3.0V
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX31C80 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
3.4
3.2
17
19
21
23
25
27
15
3.0
3.6
f
IN
= 27MHz
f
CLKOUT
= 100MHz
T
A
= +125°C
T
A
= +25°C
T
A
= -40°C