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Número de pieza
componentes Descripción
BA5810FM Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
componentes Descripción
Fabricante
BA5810FM
Driver IC for CD / CD-ROM
ROHM Semiconductor
BA5810FM Datasheet PDF : 9 Pages
1
2
3
4
5
6
7
8
9
光ディスク
IC
z
測定回路図
BIAS
BA5810FP/FM
MUTE
POWVCC34
A
AM28
28
OPAMP UNIT
27
26
25
OPAMP UNIT
24
23
22
7.5k
7.5k
−
16k
+
AA
AM21 AM20
BTL UNIT
BTL UNIT
21
20
19
18
17
16
15
10k
10k 10k
10k
CH1~
POWVCC34
CH4
(CH3, CH4)
MUTE
−
16k
+
10k
10k
10k
−+
10k
LEVEL
SHIFT
−+
LEVEL
SHIFT
LOADING PRE
FWD REV
POWER
×
3
SAVE
+
−
16k
7.5k
7.5k
PREVCC
(PRE, LOADING)
VM1
V
1
2
3
4
VM2
AM2
V
VCNT
AAVA
AM1
AM4
5
6
7
VM5
VM6
VV
AAA
AM5
AM6
AM7
FWD
REV
LDCNT
PS
IN1
IN2
PREVCC
+
−
16k
POWVCC12
(CH1, CH2)
8
9
LEVEL
SHIFT
LEVEL
−+
SHIFT
−+
10k
10k
10k
10k
10k
10
11
10k 10k
12
13
10k
14
A
AM8
LOADING
UNIT
POWVCC12
BTL UNIT
BTL UNIT
Fig.1
+
−
SW1
B
V
VOF
A
1M VBIN
V
V
VNFR
A
B 10k
V
OPOUT
(VM4,7,22,25)
VBOP
10k
SW2
C 1M
SW3
50
SW4
A
B
VIN
CA
B
PREVCC
OP AMP UNIT
V
VOL(
+
)
VOLD
V
SW6
V
VOL(
−
)
V
VO
+
(VM12,14,17,15)
VO (1,2,3,4)
V
SW5
V
VO
−
(VM11,13,18,16)
B
A C RL
A
ILK
+
B
AC
A
ILK
−
VLK
+
VLK
−
BTL UNIT
A
A
BC
RL
BC
A
ILF
A
ILR
ILK
+
ILK
−
VLK
+
VLK
−
LOADING UNIT
Fig.2
5/8
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