an8472sa Panasonic Corporation of North America, an8472sa Datasheet - Page 9

• Manufacturer Part Number: an8472sa
• Description: Spindle Motor Driver Ic For Optical Disk
• Manufacturer: Panasonic Corporation of North America

ICs for Compact Disc/CD-ROM Player
100
Spindle speed
control signal
Application Circuit Example
(Connect this capacitor,
if necessary,
after checking operation.)
560 pF
100
2 200 pF
START
H1H
H2H
H3H
ECR
H1L
H2L
H3L
VH
FG
EC
FC
11
10
7
6
5
4
3
2
1
8
9
32
Hall amp.
Oscillator
Start/stop
matrix
Hall
bias
V
T
Step-up voltage circuit
SSET
OSC
Distributor
circuit
FF
SRESET
protection
Thermal
RNFOUT
Amp.
Amp.
PWMOUT
V
C1
5
Output
circuit
19
27
28
24
25
21
22
23
26
17
VM2
A11
A12
A21
A22
A31
A32
RNF2
RNF1
GND
AN8472SA
R
CS
0.33
5V
9