15
15
DN-C615
AN8785SB
(IC202)
AN22002A
(IC203)
- +
-+
- +
- +
- +
- +
- +
- +
- +
- +
-+
- +
- +
- +
- +
- +
- +
0.1µ
IN2-
IN2+
IN4
IN3
IN5
SVcc SGnd-Fin
IN1
(2.5V)
H:2.5V
L or
HIZ
:Vref
ch.4 SW
switch
PGnd2
PGnd1
16
M
1.25V
12
11
18
10
17
14
13
19
1
28
26
25
24
3
5
4
23
27
2
22
6
9
8
21
15
20
7
M
M
IN-
IN+
OUT
Vref
Protection
Circuit
Standby PVcc2
L: All mute
Hiz: ch2,4 ON
H: Active
[ Loading ]
[ Traverse ]
[ Others ]
[ Spindle ]
[ Focus ]
[ Tracking ]
PVcc3
PVcc1
D2-
D2+
D4-
D4+
D1-
D1+
D5-
D5+
D3-
D3+
Standby
Band-gap
Vcc/Vref
Reser Circuit
1
7
8
14
15
21
22
28
E
4
5
32
31
30
29
27
28
17
6
7
8
11
12
13
14
9
10
15
22
23
21
20
19
18
2
1
3
16
25
26
24
RF_EQ
NRFDET
RFOUT
RFN
CAGC ARF
CBD0 BD0 C0FTR 0FTR
AGC
BD0
0FTR
CEA
3TOUT
NRFDET
FEN
TEN
TEBPF
VDET
TEOUT
FEOUT
3TENV
RFIN
-
+
-
+
-
+
-
+
-
+
-
+
-
+
- +
AMP
GCA
BCA
SUB
SUB
VDET
AMP
GCA
BCA
AMP
GCA
AMP
GCA
BCA
BCA
A
C
B
D
F
B
+
D
A
+
C
F
E
VREF
VCC
GND
FBAL
TBAL
GCTL
LD
PD
1
16
32
17
