PIN ASSIGNMENTS

SAMHOP Microelectronics Corp.

PIN DESCRIPTIONS

Pin Name

ROUT-

RLINEIN

LLINEIN

LOUT-

LPGND

LOUT+

SHUTDOWN

BYPASS

GND

I / O

O

-

I

-

I

-

O

-

O

I

I

-

Function

VOLUME

SE/BTL

ROUT+

RPGND

I

I

O

-

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Page 2

Right channel negative audio output

Supply voltage terminal for power stage

Right channel line input

Supply voltage terminal

Left channel line input

Supply voltage terminal for power stage

Left channel negative audio output

Power ground

Power ground

Left chanel positive audio output

Places the amplifier in shutdown mode if a TTL logic low is placed

on this terminal

Tap to voltage divider for internal midsupply bias generator used for

analog reference

Analog power supply ground

Right channel positive audio output

Output MUX control. When this terminal is high,SE outputs are selected.

When this terminal is low, BTL outputs are selected

RPGND

ROUT+

SE/BTL

VOLUME

GND

BYPASS

SHUTDOWN

LOUT+

ROUT-

RLINEIN

LLINEIN

LOUT-

LPGND

SM7512 16PIN

1

16

2

15

3

14

4

13

5

12

6

11

7

10

8

9

Thermal

Pad

3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

V.1.4 Revised May 28,2007