SAMHOP Microelectronics Corp.

GENERAL DESCRIPTION

The SM7516 is a stereo audio power amplifier that

drives 3 W/channel of continuous RMS power into

a 3-Ω load. Advanced dc volume control minimizes

external components and allows BTL (speaker)

volume control and SE (headphone) volume

control. Notebook and pocket PCs benefit from the

integrated feature set that minimizes external

components without sacrificing functionality.

To simplify design, the speaker volume level is

adjusted by applying a dc voltage to the VOLUME

terminal.

FEATURES

* Advanced DC Volume Control With 2-dB Steps

From -40 dB to 20 dB

- Maximum Volume Setting for SE Mode

- Adjustable SE Volume control

Referenced to BTL Volume Control

* 3 W Into 3-Ω Speakers

APPLICATIONS

* Notebook PC

* LCD Monitors

* Portable DVD Player

* Digital photo frame

PIN ASSIGNMENTS (TOP VIEW)

3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

SM7516 HDIP 12PIN

1

2

3

12

11

10

4

5

6

9

8

7

RLINEIN

LLINEIN

LOUT-

LOUT+

SHUTDOWN

ROUT-

ROUT+

SE/BTL

VOLUME

GND

BYPASS

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V.0.1 Sep 12,2007