3/5

REV. A

APPLICATION CIRCUIT DIAGRAM

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

1 0 K

Resistance unit : [

Ω]

PIN NUMBERS, PIN NAMES

No.

Pin name

Description

No.

Pin name

Description

1

FWD

Loading driver FWD input terminal

15

VO4(+)

Driver CH4 positive output

2

OPIN1(+)

CH1 pre-stage amp non-inverted input

terminal

16

VO4(-)

Driver CH4 negative output

3

OPIN1(-)

CH1 pre-stage amp inverted input

terminal

17

VO3(+)

Driver CH3 positive output

4

OPOUT1

CH1 pre-stage amp output terminal

18

VO3(-)

Driver CH3 negative output

5

OPIN2(+)

CH2 pre-stage amp non-inverted input

terminal

19

GND

Ground terminal

6

OPIN2(-)

CH2 pre-stage amp inverted input

terminal

20

BIAS

Bias input terminal

7

OPOUT2

CH2 pre-stage amp output terminal

21

MUTE

Mute control terminal

8

VCC

Power supply terminal

22

OPOUT3

CH3 pre-stage amp output terminal

9

VOL(-)

Loading driver negative output

23

OPIN3(-)

CH3 pre-stage amp inverted input

terminal

10

VOL(+)

Loading driver positive output

24

OPIN3(+)

CH3 pre-stage amp non-inverted input

terminal

11

VO2(-)

Driver CH2 negative output

25

OPOUT4

CH4 pre-stage amp output terminal

12

VO2(+)

Driver CH2 positive output

26

OPIN4(-)

CH4 pre-stage amp inverted input

terminal

13

VO1(-)

Driver CH1 negative output

27

OPIN4(+)

CH4 pre-stage amp non-inverted input

terminal

14

VO1(+)

Driver CH1 positive output

28

REV

Loading driver REV input terminal

Note) The positive or negative polarity of driver outputs is determined by the input polarity.

(For example, when the voltage on the pin 4 is HIGH, the output voltage on the pin 14 becomes HIGH.)