alc250-lf Realtek Semiconductor Corporation, alc250-lf Datasheet - Page 45

• Manufacturer Part Number: alc250-lf
• Description: Two-channel Ac?97 2.3 Audio Codec With Equalizer
• Manufacturer: Realtek Semiconductor Corporation

Two-Channel AC’97 2.3 Audio Codec
MIC2-IN
MIC1-IN
HP-OUT-R
HP-OUT-L
VREFOUT2
VREFOUT3-UAJ1
HP-OUT-R
HP-OUT-L
AUX-R
AUX-L
VREFOUT
4.7K@203/250, Stereo MIC
JD1
0@203/250, Stereo MIC
R15
R17
Jack Detect to bypass EQ while headphone is plugged in (ALC250 only)
D5
1N4148
D4
1N4148
Jack Connection -(Universal Audio Jack, UAJ)
0
Universal Audio Jack(UAJ): (ALC250/203)
R13
R51
22K
Jack Connection - Standard Connection
R59
22K
JD2
Standard Jack Connection (ALC250/203/202)
R31
22K
R60
22K
+
JD1
R32
L16
L17
R12
2.2K@203/250, Mono MIC
4.7K@203/250,Stereo MIC
Internal MIC-IN
C66
3.3u
C72
3.3u@ALC250
10K
FERB
FERB
R56
+
C71
3.3u
Internal MIC-IN
40
10K@ALC250
R50
L18
C62
100P
L19
10K
L13
L15
FERB
C63
100P
L8
L9
FERB
C58
100P
FERB
FERB
FERB
FERB
1
2
3
4
5
C52
100P
C60
100P
J1
UAJ1
C59
100P
C53
100P
C61
100P
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
J2
UAJ2
J2
Microphone Input
J1
Headphone Out
ALC250 DataSheet
Rev1.3