la6544m Sanyo Semiconductor Corporation, la6544m Datasheet - Page 3

• Manufacturer Part Number: la6544m
• Description: Four-channel Bridge Btl Driver For Cd-rom
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram and Pin Assignment
V SS 2-OUT
MUTE1
MUTE2
V SS 2
V IN 1
V IN 2
V IN 3
V IN 4
(NC)
V CC
VG1
VG2
VG3
VG4
RF
RF
RF
RF
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
11 k
11 k
11 k
11 k
MUTE1
MUTE2
Input stage power supply
Thermal shutdown circuit
(all channels)
–
+
–
+
–
+
–
+
–
+
12.5 k
12.5 k
12.5 k
27.5 k
Channels 2, 3, and 4 output on/off
Channel 1 output on/off
LA6544M
MUTE1
MUTE2
VS1 power supply (channel 4)
(channels 1, 2, and 3)
VS1 power supply
+
–
+
–
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
RF
RF
V SS 1
V SS 1-OUT
V O 1 +
V O 1 –
V S 1
V O 2 +
V O 2 –
V O 3 +
V O 3 –
V S 2
V O 4 +
V O 4 –
V REF OUT
V REF IN
RF
RF
A12682
No. 6295-3/7