Cirrus Logic CRD4610-1 Reference Design page 11

CRD4610-1
CrystalClear™ AC '97 Motherboard Reference Design
LINE IN
J4
PHONO-1/8
Connect CGND to
AGND at the jack
VREF
J7
4
3
5
2
1
PHONO-1/8
Connect CGND to
AGND at the jack
AGND
DS241RD1C1
4
3
5
2
1
EMC
C65 C66
AGND
100pF 100pF
NPO NPO
AGND
CGND
Figure 4. Line Input
AGND
U5A
4
2
-
3
+
MC33078D
+5VA
8
R16
2.2k
C75 0.33uF
X7R
C76 3.3uF
ELEC
+
EMC
C78 C79
100pF 100pF
NPO NPO
CGND
Figure 5. Microphone Input and Amplifier
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
C141
RP18
1 4
2 3
6.8k
C63
C64
RP19
1 4
C142
2 3
6.8k
+5VA
C71
0.1uF
Y5V
1
AGND
R15
R12
47k
R14 47
C73
100pF
NPO
AGND
R17 6.8k
+5VA
1.0uF
Y5V
1.0uF
LINE_INR
Y5V
1.0uF
LINE_INL
Y5V
1.0uF
Y5V
47k
220pF
C74 NPO
AGND
U5B
4
6
-
7
C77 0.33uF
5
X7R
+
MC33078D
8
MIC1
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