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KD-S641
4.7 LA6589H-X (IC541) : BTL driver
• Pin layout & Block diagram
VIN1-A
VIN1+A
VCCP1
VO1+
VO1-
VO2+
VO2-
FR
VO3+
VO3-
VO4+
VO4-
VCCP2
VIN4
VIN4G
1-36 (No.49769)
1
-
+
2
3
4
5
6
7
-
Power system
FR
GND
+
8
9
10
11
12
33k
11k
-
13
+
14
H
VIN1_SW
L
H : OP-AMP_A
L : OP-AMP_B
33k
11k
-
+
It is ON/OFF as for all outputs.
H : ON
L : OFF
Power system GND
Signal system
power supply
5VREG(PNPTr External)
33k
33k
28
VIN1
27
VIN1-B
-
+
26
VIN1+B
25
S-GND
Signal system
GND
24
VIN1-SW
MUTE
23
MUTE
22
VREF_IN
FR
FR
21
VCC_S
20
REG-OUT
-
19
REG_IN
+
18
VIN2G
11k
-
17
VIN2
+
16
VIN3G
11k
-
15
VIN3
+
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