Typical operating characteristics – Rainbow Electronics DS1081L User Manual
Page 3
DS1081L
20MHz to 134MHz Spread-Spectrum
Clock Modulator for LCD Panels
_____________________________________________________________________
3
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
DS1081L toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
3.5
3.4
3.3
3.2
3.1
2
4
6
8
10
12
14
0
3.0
3.6
CLKIN = 134MHz
CLKIN = 20MHz
CLKIN = 66MHz
SUPPLY CURRENT vs. TEMPERATURE
DS1081L toc02
TEMPERATURE (
°C)
SUPPLY CURRENT (mA)
120
100
80
60
40
20
-20
0
2
4
6
8
10
12
14
0
-40
CLKIN = 134MHz
CLKIN = 33MHz
CLKIN = 66MHz
134
SUPPLY CURRENT vs. FREQUENCY
DS1081L toc03
FREQUENCY (MHz)
SUPPLY CURRENT (mA)
116
96
76
56
36
2
4
6
8
10
12
14
0
20
V
CC
= 3.6V
V
CC
= 3.0V
DUTY CYCLE vs. TEMPERATURE
DS1081L toc04
TEMPERATURE (
°C)
DUTY CYCLE (%)
120
100
60
80
0
20
40
-20
42
44
46
48
50
52
54
56
58
60
40
-40
CLKIN = 66MHz
DUTY CYCLE vs. SUPPLY VOLTAGE
DS1081L toc05
SUPPLY VOLTAGE (V)
DUTY CYCLE (%)
3.5
3.4
3.3
3.2
3.1
42
44
46
48
50
52
54
56
58
60
40
3.0
3.6
CLKIN = 66MHz
SPECTRUM ATTENUATION vs. FREQUENCY
AT DIFFERENT DITHER AMPLITUDES
DS1081L toc06
FREQUENCY (MHz)
ATTENUATION (dB)
f
OUT
= 40MHz
±2%
±1.5%
0.5%
6dB
4.5dB
3dB
±1%
f
OUT
= 40MHz
RBW = 120KHz
CENTER DITHER