Datasheet > PAM8603MDET

PAM8603MDET

更新时间： 2025-09-01 05:53:19

品牌	Logo	应用领域
PAM		音频放大器
页数	文件大小	规格书
14页	232K
描述
3W Filterless Stereo Class-D Audio Amplifier with DC Volume Control

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PAM8603MDET 数据手册

PAM8603M

3W Filterless Stereo Class-D Audio Amplifier with DC Volume Control

Features

General Description

3W Output at 10% THD with a 4Ω Load and

5V Power Supply

Filterless, Low Quiescent Current and Low

EMI

Low THD+N

64-Step DC Volume Control from -75dB to

+24dB

Superior Low Noise

Efficiency up to 89%

Short Circuit Protection

Thermal Shutdown

The PAM8603M is a 3W, sterero, class-D audio

amplifier with DC volume control. It offers low

THD+N, allowing it to produce high-quality sound

reproduction. The new filterless architecture

allows the device to drive the speaker directly,

requiring no low-pass output filters, which saves

the system cost and PCB area.

With the same numbers of external components,

the efficiency of the PAM8603M is much better

than class-AB cousins. It can extend the battery

life thus ideal for portable applications.

Few External Components to Save the

Space and Cost

Pb-Free Package

The PAM8603M is available in SSOP-24 and

SOP-18 packages.

Applications

LCD Monitors/TV Projectors

Notebook Computers

Portable Speakers

Portable DVD Players, Game Machines

Cellular Phones/Speaker Phones

Typical Application Circuit

Efficiency vs Output Power

100

PVDDL

10μF

1μF

RL=8Ω

RL=4Ω

PVDDL

+OUTL

PGNDL

+OUTR

-OUTR

INR

-OUTL

INL

0.47μF

1μF

0.5

1.5

2.5

INL

INR

PAM8603M

Output Pow er(W)

VDD

1μF

VREF

SHDN

MUTE

VDD

VDC

Radiated Emissions

SHDN

MUTE

VOLUME

50kO

FCC Class B Limit

PVDDR PGNDR GND

1μF

10μF

PVDDR

Power Analog Microelectronics,Inc

www.poweranalog.com

10/2008 Rev 1.0

12 3 4 5 6 7...14

中文翻译

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