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REV. A

APPLICATION CIRCUIT DIAGRAM

Resistance unit: [

Ω]

PIN NUMBERS, PIN NAMES

No.

Pin Name

Description

No.

Pin Name

Description

1

BIASIN

Bias amp 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

PowVcc2

PowVcc (CH3, 4)

6

OPIN2(-)

CH2 pre-stage amp inverted input

terminal

20

STBY2

CH4 standby control terminal

7

OPOUT2

CH2 pre-stage amp output terminal

21

GND

GND

8

GND

GND

22

OPOUT3

CH3 pre-stage amp output

terminal

9

STBY1

CH1 to 3 standby control terminal

23

OPIN3(-)

CH3 pre-stage amp inverted input

terminal

10

PowVcc1

PowVcc (CH1,2)

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

PreVcc

PreVcc

Note)

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

(For example, when the pre-stage OPAMP is used as a buffer, the pin 14 shows a same polarity

output while the pin 13 an opposite polarity output.)