Datasheet > TQFP48L

TQFP48L

更新时间： 2024-10-02 08:37:27

品牌	Logo	应用领域
其他 - ETC		放大器功率放大器
页数	文件大小	规格书
20页	284K
描述
15W + 6W x2 2.1 Channel CLASS-D AUDIO POWER AMPLIFIER

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TQFP48L 数据手册

Preliminary

TMPA421DS

Tai-1 Microelectronics

www.taimec.com.tw

www.class-d.com.tw

Rev.2.0

December 20, 2005

15W + 6W × 2 2.1 Channel CLASS-D AUDIO POWER AMPLIFIER

GENERAL DESCRIPTION

FEATURES

¨ Integrated 2.1 channel power amplifier in one

The TMPA421DS is a 2.1 Channel Class-D output

audio power amplifier for driving speakers with

high power efficiency. The bass output is

designed as BTL (Bridge-Tied-Load) for high

output power. The right& left channels are

designed as SE (Single-Ended). The outputs are

able to drive 4Ω, 6Ω, 8Ω or 16Ω speakers. The

output power can be up to 15W for bass and 6W

for either Right or Left channel. No external

heat-sink is necessary.

chip

¨ 15W + 6W × 2 2.1 Channel Class-D Output

¨ Power efficiency is up to 82%

¨ Convenient gain control

¨ Time delay for de-pop control

¨ Thermal Protection

¨ Output Pin Short-Circuit Protection (Short to

The gain of the amplifier is defined by either

gain0/gain1 gain control or by input resistance.

Thermal protection and short-circuit protection

are integrated for safety purpose.

Other Outputs, Short to VCC, Short to Ground)

¨ Low Quiescent Current (10mA Typical at 12V)

¨ Low Current in Shutdown Mode (<1µA Typical)

¨ Separate VCC & PVCC

The internal de-pop circuitry eliminates pop

noise at power-up & shutdown operations.

¨ Regulated 5-V Supply Output

For best performance, please refer to

APPLICATIONS

http://www.taimec.com.tw/English/EVM.htm

http://www.class-d.com.tw/English/EVM.htm

TMPA421DS is convenient for 2.1 channel

applications. It can be used for LCD Monitors,

TVs, DVD Players, Powered Speakers or any 2.1

channel power amplifiers.

for PCB layout.

PACKAGE

TQFP48L available

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