MOSA

MS6863

Dual 2W Power Amplifiers with Stereo Headphone

REV 4

2/14

www.mosanalog.com

PIN CONFIGURATION

Symbol

Pin

Description

SD

1

SHUTDOWN places the entire device in shutdown mode when held high.

TTL compatible input.

+OUTA

3

Bridged-tied load positive output A.

-OUTA

5

Left channel output or bridged-tied load negative output A.

-INA

6

Negative input A.

+INA

8

Positive input A.

+INB

13

Positive input B.

BYPASS

14

BYPASS is a capacitor to the voltage divider for the internal mid-supply bias.

-INB

15

Negative input B

-OUTB

16

Right channel output or bridged-tied load negative output B.

+OUTB

18

Bridged-tied load positive output B.

HP-IN

20

Headphone input detection.

A logical low sets BTL mode, a logical high sets SE mode.

VDD

4, 17

Supply voltage

GND

2, 9, 10

11, 12, 19

Ground

GND (SDPR)

7

Connected to ground, it is compatible for LM4863

SDPR: Shutdown Power Preparation.

Pop noise free in shutdown control, please refer to application information

TSSOP20

GND

16

17

18

19

20

2

3

4

1

GND

+OUTA

VDD

-OUTA

5

-INA

+OUTB

VDD

-OUTB

-INB

15

6

14

7

GND(SDPR)

SD

BYPASS

HP-IN

MS6863

13

+INA

8

GND

+INB

12

9

11

10

GND

GND

Thermal

Pad

GND