SM7497 参数 Datasheet PDF下载

SAMHOP Microelectronics Corp.

3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

APPLICATION INFORMATION

Application circuit using the SM7497 in an LCD monitor with 16Ω speaker outputs and volume control

1

2

3

D

VDD

+

10 uf

0.1 uf

2 , 12

PVDD / VDD

5

SHUTDOWN

SE / BTL

8

Right Audio Input

C

1.0 uf

11

RLINEIN

ROUT +

10

ROUT -

9

SM7497

SM7498HL

Left Audio Input

1.0 uf

1

B

LOUT +

LLINEIN

LOUT -

3

4

VDD

6

1 uf

0.1 uf

5K

7

BYPASS

VOLUME

A

Figure 1. Typical Bridge-Tied-Load(BTL) audio amplifier application circuit for an LCD monitor

Figure 1. Typical Bridge-Tied-Load(BTL) audio amplifier application circuit for an LCD monitor

1

2

3

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V.0.1 Sep 11,2007