Datasheet

ADG2108 Data Sheet
Rev. B | Page 14 of 28
0.35
0.05
0.30
0.25
0.20
0.15
0.10
0
0 0.5 1.0 1.5 2.0
2.5 3.0
V
L
= 5V
V
L
= 3V
FREQUENCY (MHz)
I
L
(mA)
V
DD
= +5V
V
SS
= –5V
05898-016
Figure 22. Digital Current (I
L
) vs. Frequency
1.8
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.2
0
0 654321
V
LOGIC
(V)
I
L
(mA)
V
L
= 5V
V
L
= 3V
05898-019
Figure 23. Digital Current (I
L
) vs. V
LOGIC
for Varying Digital Supply Voltage
0
–120
100 1G
FREQUENCY (Hz)
ACPSRR (dB)
–20
–40
–60
–80
–100
1k 10k
100k 1M
10M 100M
V
DD
= 5V/12V
V
SS
= –5V/0V
T
A
= 25°C
0.2V p-p RIPPLE
SWITCH OFF,
WITHOUT DECOUPLING
SWITCH ON,
WITHOUT DECOUPLING
WITH DECOUPLING
05898-028
Figure 24. ACPSRR