la6543 Sanyo Semiconductor Corporation, la6543 Datasheet - Page 5

• Manufacturer Part Number: la6543
• Description: 4-channel Bridge Btl Driver For Cd-rom
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram
System Diagram (relationship between power supply and MUTE)
(MUTE1/MUTE2)
MUTE1
MUTE2
V REF IN
V SS 2
V SS 1
V IN 1
V IN 2
V IN 3
V IN 4
VG1
VG2
VG3
VG4
11 k
11 k
11 k
11 k
+
–
–
+
V REF OUT
V SS 1-OUT
CH1 (V O 1–V O 2)
MUTE1
MUTE1
LA6543
CH1(V O 1–V O 2)
CH2(V O 3–V O 4)
CH3(V O 5–V O 6)
CH4(V O 7–V O 8)
MUTE2
MUTE2
CH2 (V O 3–V O 4)
CH3 (V O 5–V O 6)
CH4 (V O 7–V O 8)
Thermal shutdown
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
V SS 2-OUT
V S 1
V 8 2
V CC
V O 1
V O 2
V O 3
V O 4
V O 5
V O 6
V O 7
V O 8
V CC
RF
A11149
(V S 1/V S 2)
V S 1
V S 2
A11147
No. 5973-5/7