la6576 Sanyo Semiconductor Corporation, la6576 Datasheet - Page 4

• Manufacturer Part Number: la6576
• Description: 5-channel Driver For Compact Disk Applications
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram
V IN 1+A
V IN 1-A
V IN 1-B
V CC 2
V CC 1
V LO +
V O 4+
V O 3+
V O 2+
V O 1+
FWD
V LO -
V O 4-
V O 3-
V O 2-
V O 1-
V IN 1
REV
FR
FR
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
Power system
GND
+
+
-
-
AMP-A
AMP-B
11kΩ
[L] [H]
+
-
+
-
22kΩ
V IN 1(VREF)-SW
[L] : Internal VREF
[H] : External VREF
Thermal shutdown
LA6576
(2.5V fixed)
5VREG (External PNP)
CH2 to CH4
22kΩ
22kΩ
22kΩ
CH1 Output
ON/OFF
ON/OFF
+
+
+
-
-
-
Output
+
-
V IN 1 / VREF-SW
11kΩ
Signal system GND
11kΩ
11kΩ
Power system GND
MUTE2
MUTE1
+
+
+
-
-
-
+
-
FR
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
S-GND
MUTE2
MUTE1
V IN 4
V IN 4-
V IN 4+
VREF-IN
V IN 1 (VREF)-SW
VREF-OUT(CH1)
FR
REG-OUT
REG-IN
V IN 3+
V IN 3-
V IN 3
V IN 2+
V IN 2-
V IN 2
V IN 1+B
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