Datasheet > TPA3123D2PWP

TPA3123D2PWP

更新时间： 2024-11-17 03:58:47

品牌	Logo	应用领域
德州仪器 - TI		放大器功率放大器
页数	文件大小	规格书
29页	896K
描述
25-W STEREO CLASS-D AUDIO POWER AMPLIFIER

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TPA3123D2PWP 数据手册

TPA3123D2

www.ti.com

SLOS541A–JULY 2007–REVISED AUGUST 2007

25-W STEREO CLASS-D AUDIO POWER AMPLIFIER

FEATURES

APPLICATIONS

•

Televisions

•

25-W/ch into a 4-Ω Load from a 27-V Supply

20-W/ch into a 4-Ω Load from a 24-V Supply

Operates from 10 V to 30 V

DESCRIPTION

The TPA3123D2 is a 25-W (per channel) efficient,

Class-D audio power amplifier for driving stereo

speakers in a single-ended configuration or a mono

bridge-tied speaker. The TPA3123D2 can drive

stereo speakers as low as 4 Ω. The efficiency of the

TPA3123D2 eliminates the need for an external heat

sink when playing music.

Efficient Class-D Operation Eliminates Need

for Heat Sinks

•

Four Selectable, Fixed-Gain Settings

Internal Oscillator (No External Components

Required)

•

Single-Ended Analog Inputs

The gain of the amplifier is controlled by two gain

select pins. The gain selections are 20, 26, 32,

36 dB.

Thermal and Short-Circuit Protection With

Auto Recovery

•

Space-Saving Surface-Mount 24-Pin TSSOP

Package

The patented start-up and shut-down sequences

minimize pop noise in the speakers without

additional circuitry.

•

Pin-to-Pin compatible with TPA3120D2

Advanced Power-Off Pop Reduction

SIMPLIFIED APPLICATION CIRCUIT

TPA3123D2

1 mF

0.22 mF

Left Channel

LIN

RIN

BSR

ROUT

PGNDR

PGNDL

LOUT

22 mH 470 mF

Right Channel

1 mF

0.68 mF

1 mF

BYPASS

AGND

22 mH

470 mF

BSL

0.22 mF

10 V to 30 V

PVCCL

PVCCR

AVCC

10 V to 30 V

VCLAMP

Shutdown

Control

1 mF

MUTE

Mute Control

GAIN0

GAIN1

4-Step Gain

Control

}

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

System Two, Audio Precision are trademarks of Audio Precision, Inc.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...29

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TPA3123D2PWP 替代型号

型号	品牌	替代类型	描述	数据表
TPA3123D2PWPRG4	TI	类似代替	25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3123D2PWPG4	TI	类似代替	25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3123D2PWPR	TI	类似代替	25-W STEREO CLASS-D AUDIO POWER AMPLIFIER

与TPA3123D2PWP相关器件

型号	品牌	获取价格	描述	数据表
TPA3123D2PWPG4	TI	获取价格	25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3123D2PWPR	TI	获取价格	25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3123D2PWPRG4	TI	获取价格	25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3124D2	TI	获取价格	15-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3124D2_1	TI	获取价格	15-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3124D2PWP	TI	获取价格	具有单端输出、快速静音功能的 15W 立体声、30W 单声道、10V 至 26V、模拟输入
TPA3124D2PWPR	TI	获取价格	15-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3125D2	TI	获取价格	10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3125D2N	TI	获取价格	10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3126D2	TI	获取价格	50W 立体声、100W 单声道、4.5V 至 26V、模拟输入 D 类音频放大器，低空闲

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