CRD4299-1 Cirrus Logic, Inc., CRD4299-1 Datasheet - Page 18

• Manufacturer Part Number: CRD4299-1
• Description: AC 97 AMR Reference Design
• Manufacturer: Cirrus Logic, Inc.

+12VD
Do not populate U5
L2
3 1 @ 1 0 0 M Hz
Connect AGND to DGND with a 50 mil trace near the 4297
Connect CGND to DGND with a 50 mil trace near the finger
edge of the board.
+12VA
+ C70
100uF
E L E C
AGND
U5
POWER SUPPLIES
C71
0.1uF
Z5U
5
6
7
8
3
N C 2
G N D 3
G N D 4
VIN
IN
G N D 2
G N D 1
VO U T
AGND
N C 1
O U T
MC78L05
4
3
2
1
MC78L05ACD
Figure 13. Power Supplies
1
U4
AGND
S U R FAC E M O U N T
P O P U L AT I O N
O P T I O N
+5VA
+ C72
10uF
E L E C
PIN IN HOLE
P O P U L AT I O N
O P T I O N
-12VD
L1
3 1 @ 1 0 0 M Hz
-12VA
AGND
+
C73
100uF
E L E C
C74
0.1uF
Z5U