LA6572

No.7777-7/9

Pin Description

Pin No.

Pin Name

Description

1

MUTE1

CH1 and 2 output ON/OFF

2

MUTE2

CH3 output ON/OFF

3

VCC2

Power supply for CH3, 4, and 5. Short-circuited with VCC1.

4

VO5-

Output pin (-) for channel 5

5

VO5+

Output pin (+) for channel 5

6

VO4+

Output pin (+) for channel 4

7

VO4-

Output pin (-) for channel 4

8

VO3+

Output pin (+) for channel 3

9

VO3-

Output pin (-) for channel 3

10

VO2+

Output pin (+) for channel 2

11

VO2-

Output pin (-) for channel 2

12

VO1+

Output pin (+) for channel 1

13

VO1-

Output pin (-) for channel 1

14

VCC1

Power supply for CH1, 2. Short-circuited with VCC2.

15

VIN1

Input pin for channel 1, input AMP output

16

VIN1-

Input pin (-) for channel 1

17

VIN1+

Input pin (+) for channel 1

18

VIN2

Input pin for channel 2, input AMP output

19

VIN2-

Input pin (-) for channel 2

20

VIN2+

Input pin (+) for channel 2

21

VIN3

Input pin for channel 3, input AMP output

22

VIN3-

Input pin (-) for channel 3

23

VIN3+

Input pin (+) for channel 1

24

EN-REG

3.3V ON/OFF pin that operates with 3.3VREG. EN: H

→3.3VREG:ON, EN: L→3.3VREG:OFF

25

REG-OUT

Collector of PNP transistor connected to output 3.3VREG.

26

REG-IN

PNP transistor base connected

27

VREF-OUT(CH5)

VREF-AMP (CH5 output (TYP: 1.65V))

28

VREF-IN

Reference voltage applied pin

29

VIN4+

Input pin (+) for channel 4

30

VIN4-

Input pin (-) for channel 4

31

VIN4

Input pin for channel 4, input AMP output

32

VIN5+

Input pin (+) for channel 5

33

VIN5-

Input pin (-) for channel 5

34

VIN5

Input pin for channel 5, input AMP output

35

S-GND

Signal system GND

36

MUTE3

CH4 output ON/OFF

* Center frame (FR) becomes GND for the power system (P-GND). Set this to the minimum potential together with

S-GND.