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