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LA6574H-X (IC561) : Power AMP
1.Pin layout / Block diagram
VCC2 1
V05- 2
V05+ 3
V04+ 4
V04- 5
V03+ 6
V03- 7
FR
V02+
V02-
TE
L 13942296513
V01+
V01-
VCC1
VIN1
VIN1G
2.Pin function
PinNo. Symbol
1
VCC2
2
VO5-
3
VO5+
4
VO4+
5
VO4-
6
VO3+
7
VO3-
8
VO2+
www
9
VO2-
10
VO1+
11
VO1-
.
12
VCC1
13
VIN1
14
VIN1G
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CH5
Thermal Shuydown
POWER
CH5
CH4
CH3
FR
8
CH2
9
10
CH1
11
CH1.2.3.4
12
22k
POWER
11k
13
14
Function
CH3,4,5 power supply
)
Loading output (
Loading output (
)
)
CH4 output terminal (
)
CH4 output terminal (
)
CH3 output terminal (
CH3 output terminal (
)
CH2 output terminal (
)
CH2 output terminal (
)
)
CH1 output terminal (
x
ao
u163
y
CH1 output terminal (
)
i
CH1,2 power supply
CH1 input terminal
CH1 input terminal (For gain ADJ)
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2 9
8
22k
11k
Signal System Power
3.3VREG (External
PNP Tr)
Q Q
3
6 7
1 3
1 5
22k
11k
22k
11k
PinNo. Symbol
15
VIN2
CH2 input terminal
16
VIN2G
CH2 input terminal (For gain ADJ)
17
VIN3
CH3 input termianl
18
VIN3G
CH3 input terminal (For gain ADJ)
19
REG-IN
Regulator terminal
20
REG-OUT
Regulator terminal
21
VREF-IN
Reference voltage input terminal
22
VCC-S
Signal system power supply
23
VIN4G
CH4 input terminal (For gain ADJ)
24
VIN4
CH4 input terminal
co
25
VCONT
5CH output voltage setting terminal
.
26
S-GND
GND for signal line
27
FWD
5CH output select terminal
28
REV
5CH output select terminal
9 4
2 8
28 REV
27 FWD
26 S-GND
25 VCONT
24 VIN4
23 VIN4G
22 VCC-S
FR FR
21 VREF-IN
20 REG-OUT
0 5
8
2 9
9 4
2 8
19 REG-IN
18 VIN3G
17 VIN3
16 VIN2G
15 VIN2
Function
m
KD-S687
9 9
9 9
1-17
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