LA6505 Datasheet, PDF (7/13 Pages) Sanyo Semicon Device – For CD-ROM, DVD-ROM and MD players

Pin Functions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Pin
VCC_S
MUTE_LOAD
VIN_LOAD
VREF-OUT
RF_SLD1
MUTE_SLED
VIN_SLD2
VIN_SLD1
GND_SLD
VO+SLD1
VO-SLD1
VO+SLD2
VO-SLD2
RF_SLD2
U-OUT
V-OUT
W-OUT
RF_SPDL
SS
VS_SPDL
FIL1
FIL2
FG
HB
GND_S
OSC
U+
U-
V+
V-
W+
W-
GND_BTL
VLOAD+
VLOAD-
VO1+
VO1-
VO2+
VO2-
VS_BTL
VIN1
VIN1-
VIN1+
VIN2
VIN2-
VIN2+
VIN_SPDL
VREF_IN
LA6505
Descriptions
Signal system power supply and BTL amplifier output stage power supply
Loading output on/off control
Loading input
VREG amplifier (buffer) output
SLED1 output current detection
Sled output on/off control
SLED2 input
SLED1 input
Power system ground, Sled
SLED1+ output
SLED1- output
SLED2+ output
SLED2- output
SLED2 output current detection
U phase output
V phase output
W phase output
Output current detection (SPINDLE)
BTL amplifier (channels 1 and 2) and spindle driver on/off control
Spindle output stage power supply
Source side output oscillation prevention
Sink side output oscillation prevention
FG output. This is an open collector output that outputs one of the Hall phases (the U phase).
Hall sensor bias power supply (open collector output)
Signal system ground
PWM oscillator frequency setting (A capacitor is connected between this pin and ground.)
Hall sensor bias input (U+)
Hall sensor bias input (U-)
Hall sensor bias input (V+)
Hall sensor bias input (V-)
Hall sensor bias input (W+)
Hall sensor bias input (W-)
Power system ground and BTL amplifier (including loading driver)
Loading driver output (+)
Loading driver output (-)
Channel 1 output (+)
Channel 1 output (-)
Channel 2 output (+)
Channel 2 output (-)
Power system ground and BTL amplifier (including loading driver)
Channel 1 input, channel 1 operational amplifier output
Channel 1 input, input operational amplifier inverting input
Channel 1 input, input operational amplifier noninverting input
Channel 2 input, channel 1 operational amplifier output
Channel 2 input, input operational amplifier inverting input
Channel 2 input, input operational amplifier noninverting input
Spindle input
Reference voltage input
No.A0595-7/13