Cirrus Logic CRD4299-1 AVR - Manual (Page 22)

CRD
4299-1
A
MR
22
DS
31
9RD1A
1
H E A D P H O N E JACK
LINE OUT
JAC K
Connect CGND to
AGND at the
jack
Connect CGND to
AGND at the
jack
Digital Output
CGND
AGND CGND AGND
AGND
+12VA
+12VA
AGND
AGND
-12VA
-12VA
+5VD
DGND
DGND
DGND
R 3 7 10
1 / 4 W
R 3 8 10
1 / 4 W
+
-
U 2 A
M C 1458
3
2
1
8
4
+
-
U 2 B
M C 1458
5
6
7
8
4
R 3 5 27K
R 3 6 56K
R 4 3
10 0K
C 4 4
220p F
C 4 5
220p F
C 4 8
220p F
C 4 9
220p F
R 3 9 27K
R 4 0 56K
J 9
P H O N O-1/8
4
3
5
2
1
J 7
P H O N O-1/8
4
3
5
2
1
R 4 4
10 0K
C 5 0
0 . 1 u F
Z 5 U
J10
TOTX -173
1
2
3
4
5
6
R 4 9 8.2 K
+
C 4 0 1 0 u F
E L E C
+
C 4 2 1 0 u F
E L E C
+
C 4 6 1 0 u F
E L E C
+
C 4 7 1 0 u F
E L E C
C 4 1 2 2 p F
N P O
C 4 3 2 2 p F
N P O
ALT_LINE_O UT_L
A LT _ L I N E _ O U T _R
L I N E _ O U T _ R
LIN E _ O U T _ L
S P D I F _ O U T
Figure 17. Mic Pre-Amp