TPA122EVM

更新时间： 2024-09-21 03:58:51

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
28页	680K
描述
150-mW STEREO AUDIO POWER AMPLIFIER

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技术参数
数据手册

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TPA122EVM 技术参数

是否无铅：	含铅	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.33.00.01
风险等级：	5.66	商用集成电路类型：	AUDIO AMPLIFIER
Base Number Matches：	1

TPA122EVM 数据手册

TPA122

www.ti.com

SLOS211E–AUGUST 1998–REVISED JUNE 2004

150-mW STEREO AUDIO POWER AMPLIFIER

FEATURES

DESCRIPTION

•

150-mW Stereo Output

The TPA122 is a stereo audio power amplifier pack-

aged in either an 8-pin SOIC, or an 8-pin

PowerPAD™ MSOP package capable of delivering

150 mW of continuous RMS power per channel into

8-Ω loads. Amplifier gain is externally configured by

means of two resistors per input channel and does

not require external compensation for settings of 1 to

10.

•

PC Power Supply Compatible

– Fully Specified for 3.3-V and 5-V Operation

– Operation to 2.5 V

•

Pop Reduction Circuitry

Internal Midrail Generation

Thermal and Short-Circuit Protection

Surface-Mount Packaging

– PowerPAD™ MSOP

THD+N when driving an 8-Ω load from 5 V is 0.1% at

1 kHz, and less than 2% across the audio band of 20

Hz to 20 kHz. For 32-Ω loads, the THD+N is reduced

to less than 0.06% at 1 kHz, and is less than 1%

across the audio band of 20 Hz to 20 kHz. For 10-kΩ

loads, the THD+N performance is 0.01% at 1 kHz,

and less than 0.02% across the audio band of 20 Hz

to 20 kHz.

– SOIC

•

Pin Compatible With LM4880 and LM4881

(SOIC)

D OR DGN PACKAGE

(TOP VIEW)

V 1

IN1−

BYPASS

GND

V 2

IN2−

SHUTDOWN

TYPICAL APPLICATION CIRCUIT

320 kΩ

Audio

Input

V /2

IN1–

V 1

–

BYPASS

IN2–

Audio

Input

V 2

–

From Shutdown

Control Circuit

SHUTDOWN

Bias

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.

PowerPAD is a trademark of Texas Instruments.

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...28

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