alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 81

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

10.3. Power Supply and Analog Input/Output Connection
4 Channel High Definition Audio Codec
+5VA
LOUT1-L
LOUT1-R
MIC1-R
MIC1-L
LINE1-R
LINE1-L
MIC1-VREFO
Standby +5V
C25
D10
C24
C26
+10u
+
C4
C3
B130LAW/1N5817
C9
C11
1u
1u
For Standby mode De-pop purpose
3
1N4148
R11
4.7K
100u
100u
1u
1u
OUT
D7
LM7805CT/200mA
L1
L3
1N4148
R12
4.7K
D8
L6
L8
To reduce background noise when
boosting Microphone, exclusive with L5
L10
L12
IN
FERB
FERB
1
C5
100P
FERB
FERB
FERB
FERB
C27
100P
x/+100u
C17
100P
C43
C6
100P
+
FRONT-JD
C28
100P
MIC1-JD
Figure 20. Analog Input/Output Connection
C18
100P
L5
LINE1-JD
FERB
R7
1N4148
x/10
FRONT /HEADPHONE OUT
D9
JACK 1
4
3
5
2
1
JACK 3
+12V
JACK 2
LINE-IN
MIC-IN
4
3
5
2
1
4
3
5
2
1
73
Alternative Front channel of headphone output
without DC blocking capacitors
HPOUT-R
HPOUT-L
LOUT2-R
LOUT2-L
C7
C8
1u
1u
R5
R6
L2
L4
22~75
22~75
Track ID: JATR-1076-21
HPOUT-JD
FERB
FERB
C15
100P
C13
100P
C16
100P
C22
100P
LOUT2-JD
FRONT/HEADPHONE OUT
Datasheet
LOUT2-OUT
Alternative JACK 1
ALC272
JACK 4
CN
CS
1
3
4
5
4
3
5
2
1
Rev. 1.0