AN8472SA Datasheet, PDF (6/9 Pages) Panasonic Semiconductor – Spindle motor driver IC for optical disk

AN8472SA
s Terminal Equivalent Circuits (continued)
Pin No.
Symbol
10
FG
ICs for Compact Disc/CD-ROM Player
Equivalent circuit
V_DD
50 kΩ
(typ.)
10
11
Start
12
VPUMP
13
BC1
14
BC2
15
BC3
16
BC4
11
41 kΩ
(typ.)
41 kΩ
(typ.)
VM1 BC1 BC2
13 14
BC4 BC3 VPUMP
16 15 12
17
GND
Ground pin
18
V_DD
Supply voltage pin
19
VM2
19
31
VM1
21
24
27
22
25
28 A12
20
21
22
23
24
25
26
27
28
6
N.C.
A31
A32
RNF2
A21
A22
RNF1
A11
A12
N.C.
Refer to pin 19
Pin 23, 26
RNF1, RNF2