Cirrus Logic CRD4299-1 AVR - Manual (Page 18)

CRD
4299-1
A
MR
18
DS
31
9RD1A
1
POWER SUPPLIES
C o n n ect AGND to DGND with a 50 mil trace near the 4297
C o n nect CGND to DGND with a 50 mil trace near the finger
edge of the board.
S U R FA C E M O U N T
P O P U L AT I O N
O P T I O N
P I N I N H O L E
P O P U L AT I O N
O P T I O N
Do not populate U5
+12VD
+12VA
AGND
+5VA
AGND AGND
-12VA -12VD
AGND
U 5
M C 7 8 L 0 5 AC D
1 8
2
3 6
7
5 4
VO U T VIN
G N D 1
G N D 2 G N D 3
G N D 4
N C 2 N C 1
C 7 1
0.1uF
Z 5 U
L2
3 1 @ 1 0 0 M Hz
U 4
M C 7 8 L 0 5
3
2
1
IN
GND
O U T
+ C 7 0
100uF
E L E C + C 7 2
10uF
E L E C
L1
3 1 @ 1 0 0 M Hz
C 7 4
0.1uF
Z 5 U
+
C 7 3
100uF
E L E C
Figure 13. Power Supplies