ALC202 Просмотр технического описания (PDF) - Realtek Semiconductor
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производитель
ALC202 Datasheet PDF : 42 Pages
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ALC202/ALC202A
J1
1
2
3
4
IDE
CD-IN
J2
1
2
3
4
AUX-IN
J3
1
2
3
4
VIDEO-IN
PH3
MIC IN
R18 0
R20 0
R19 0
*If system designer use +5VA regulator has less then 200mA output current capability,
please modify R35 and R36 as 20 ohm to limit amplifier current. (ALC202A)
Block-A
CD-L
CD-R
CDGND
LOUT-R
LOUT-L
R36 0 / 20
R35 0 / 20
PH1
Ce
100p
Ce
100p
LINE OUT
AUX-L
AUX-R
VIDEO-L
VIDEO-R
R28
4.7K
Vrefout
R21
1K
MIC1
C21B
4700p
reserved
PH2
LINE IN
Block-A
R24 0
R23
0
Block-A:
Fine tune performace or adjust input
full swing to meet PC99
LINE-R
LINE-L
JD
HP-OUT-R
HP-OUT-L
R47 4.7K D1
+ C47
3.3u
1N4008
R41 0 / 20
R39 0 / 20
R41A 4.7K
R39A
4.7K
Ce
100p
Ce
100p
PH4
1
2
3
4
5
HP-OUT
PC-SPEAKER
R12A
10K
R12B
4.7K
PCSPK
C12A
100p
Volume Down
DCVOL
+5VA
R33
10K
Volume Up
HP-OUT Jack-Detection circuit
with stereo phonejack
*If system designer use +5VA regulator has less then 200mA output current capability,
please modify R39 and R41 as 20 ohm to limit amplifier current. (ALC202)
R47 4.7K
JD
HP-OUT-R
HP-OUT-L
R41 0 / 20
+
3.3u
R39 0 / 20
R41A
R39A
4.7K 4.7K
Ce
100p
Ce
100p
PH4
5
4
3
2
1
HP-OUT
DC Voltage Volue Control Block
HP-OUT Jack-Detection circuit
with isolated phonejack
IO Connection
2002/07/30
39
Rev.1.28
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