LA6543M Datasheet, PDF (5/7 Pages) Sanyo Semicon Device – 4-Channel Bridge (BTL) Driver for CD-ROM

Block Diagram
LA6543M
RF 1
RF 2
NC 3
VSS2 4
VSS2-OUT 5
MUTE1 6
VIN1 7
VG1 8
VIN2 9
VG2 10
VIN3 11
VG3 12
VIN4 13
VG4 14
MUTE2 15
VCC 16
RF 17
RF 18
Thermal shutdown
MUTE1
MUTE2
CH1(VO1-VO2)
CH2(VO3-VO4)
CH3(VO5-VO6)
CH4(VO7-VO8)
36 RF
35 RF
34 VSS1
–
+
33 VSS1-OUT
VO1 to VO2
–
+
32 VO1
–
+
31 VO2
30 VS1
–
+
29 VO3
–
+
28 VO4
–
+
27 VO5
–
+
26 VO6
VO3 to VO8
25 VS2
–
+
24 VO7
–
+
23 VO8
22 VREF OUT
21 VREF IN
20 RF
19 RF
A10994
System Diagram (relationship between power supply and MUTE)
MUTE1
CH1
CH2
MUTE2
CH3
CH4
VS1
VS2
A10995
No. 5904-5/7