LM4863

CMOS IC

UNISONIC TECHNOLOGIES CO., LTD

3 of 12

www.unisonic.com.tw

QW-R107-027.E



PI N CON FI GU RAT I ON

SHUTDOWN

GND

+OUT A

-OUT A

-IN A

GND

+IN A

+IN B

BYPASS

-IN B

-OUT B

+OUT B

GND

HP-IN

DIP-16

1

2

3

14

13

12

11

10

15

16

9

4

5

6

7

8

SHUTDOWN

GND

+OUT A

-OUT A

-IN A

GND

+IN A

+IN B

BYPASS

-IN B

-OUT B

+OUT B

GND

HP-IN

GND

GND

3

4

5

6

7

8

9

14

13

12

11

10

15

16

2

17

1

18

SOP-18



PI N DESCRI PT I ON

PIN NO.

DIP-16

SOP-18

HTSSOP-20

PIN NAME

I/O

PIN DESCRIPTION

4,13

4,15

4,17

-

Supply voltage

2,7,15 2,7,9,10,17 2,7,9,10,11,12,19

GND

-

Ground

10

12

14

BYPASS

-

Internal mid-supply bias reference bypassing

1

1

1

SHUTDOWN

I

Entire IC into the shutdown mode when this pin connected

16

18

20

HP-IN

I

GND for BTL mode

8

8

8

+INA

I

Non-inverting input of channel A, connected to BYPASS

pin inside the IC

6

6

6

-INA

I

Inverting input of channel A

3

3

3

+OUTA

O

Channel A + output in BTL mode, high impedance in SE

mode

5

5

5

-OUTA

O Channel A - output in BTL mode, + output in SE mode

9

11

13

+INB

I

Non-inverting input of channel B, connected to BYPASS

pin inside the IC

11

13

15

-INB

I

Inverting input of channel B

14

16

18

+OUTB

O

Channel B + output in BTL mode, high impedance in SE

mode

12

14

16

-OUTB

O Channel B - output in BTL mode, + output in SE mode