ICs for Compact Disc/CD-ROM Player
s
Application Circuit Example
VPUMP
High: Active
Low: Standby
Standby sgnal input
PG12
8
Ω
M
AN8497SA
0.1
µF
18 100 pF
25 VM3
19 CLK
23 N.C.
24 RO3
30 RO2
22 BC1
21 BC2
31 FO2
27 FO3
29 SO2
28 SB
32
26
20
Standby
(full circuit)
H
bridge
Pre-
driver
Pre-
driver
H
bridge
V/I
Pre-
driver
Charge pump
Triangular
wave
oscillator
17
TSD
V
REF
detection
8 200 pF
SV
DD
detection
H
bridge
PG3
0.1
µF
V/I
V/I
Logic
Logic
Logic
ABS
ABS
ABS
In1 10
FB2 11
In2 12
V
REF
13
SGND 14
In3 15
18 kΩ
CT
ch.3 input
910
Ω
15 kΩ
910
Ω
30 kΩ
30 kΩ
V
M
=
5 V
8 200 pF
ch.1 input
8 200 pF
ch.2 input
V
REF
=
1.65 V
15 kΩ
SV
DD
=
5 V
1.1 kΩ SV
DD
16
VM12 1
FO1 2
RO1 3
SO1 4
YC1A 5
YC1B 6
YC2A 7
YC2B 8
8
Ω
FB1 9
FB3
CLK synchronous
signal input
5
PANASONIC [ PANASONIC SEMICONDUCTOR ]
