Cirrus Logic AN152 - Manual (Page 6)

AN152
6 AN152REV1
VA
+
=
4.
5
V
VA
+
=5
.0
V
VA
+
=5
.5
V
(µA
)
0
100
200
300
400
500
600
700
800
900
1000
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0
Frequency
Load
C
u
rre
nt
Figure 9. Load Current vs. Frequency for VD+ = 3.0 V, Capacitor Sizes = 0.47 uF
CS5521/22/23/24/28
VD
+
=
3.
3
V
VD
+ =
3.0
V
VD+
= 2.7
(µA
)
0
200
400
600
800
1000
1200
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0
Frequency (KHz)
Lo
ad
C
u
rr
e
nt
(
u
A
)
Figure 10. Load Current vs. Frequency for VA+ = 5.0 V, Capacitor Sizes = 0.47 uF
CS5521/22/23/24/28