LA6543 Datasheet, PDF (5/7 Pages) Sanyo Semicon Device – 4-Channel Bridge (BTL) Driver for CD-ROM

Block Diagram
LA6543
VREF IN
VREF OUT
MUTE1
–
+
MUTE1
CH1 (VO1–VO2)
VIN1
VG1
11 kΩ
VIN2
VG2
11 kΩ
VIN3
VG3
11 kΩ
VIN4
VG4
11 kΩ
VSS2
VSS1
–
+
MUTE2
VS1 V82
Thermal shutdown
MUTE2
CH2 (VO3–VO4)
CH3 (VO5–VO6)
CH4 (VO7–VO8)
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
VCC
VO1
VO2
VO3
VO4
VO5
VO6
VO7
VO8
VCC
RF
VSS1-OUT
VSS2-OUT
A11149
System Diagram (relationship between power supply and MUTE)
(MUTE1/MUTE2)
MUTE1
CH1(VO1–VO2)
(VS1/VS2)
CH2(VO3–VO4)
VS1
MUTE2
CH3(VO5–VO6)
CH4(VO7–VO8)
VS2
A11147
No. 5973-5/7