la6502 Sanyo Semiconductor Corporation, la6502 Datasheet - Page 6

• Manufacturer Part Number: la6502
• Description: 5ch Driver For Cd And Dvd Spindle Driver 3-phase Linear Sensor-less Drive Btl 4ch
• Manufacturer: Sanyo Semiconductor Corporation

Sample Application Circuit
Note) The external constant is for reference only and the optimum constant may differ from one motor to another.
0.1μF
0.1μF
0.1μF
(Spindle Block)
10 OUT1F
12 MGND
13 MGND
14 OUT3F
15 OUT4R
16 OUT4F
17 WOUT
18 VOUT
19 UOUT
20 NC
21 SPRF
22 V CC 1
23 FR
24 MCOM
11 OUT3R
1
2
3 AMP2OUT
4 V CC 2
5 NC
6 NC
7 OUT2R
8
9 OUT1R
AMP2IN +
AMP2IN -
OUT2F
GND
LA6502
AMP1OUT
AMP3OUT
SPVCOIN
AMP1IN +
AMPOUT
AMP3IN +
AMP4IN +
AMP1IN -
AMP3IN -
AMP4IN -
AMPIN +
SPFGO
AMPIN -
MUTE1
MUTE2
MUTE3
SPCTL
SGND
SPCX
SPFC
VREF
SPC2
SPC1
GND
NC
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
0.1μF
0.015μF
0.015μF
0.1μF
0.47μF
Control voltage
1.65V
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