TPA4860

更新时间： 2024-10-25 22:42:03

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
25页	430K
描述
1-W MONO AUDIO POWER AMPLIFIER

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TPA4860 数据手册

TPA4860

1-W MONO AUDIO POWER AMPLIFIER

SLOS164A – SEPTEMBER 1996 – REVISED MARCH 2000

1-W BTL Output (5 V, 0.2 % THD+N)

3.3-V and 5-V Operation

D PACKAGE

(TOP VIEW)

No Output Coupling Capacitors Required

GND

SHUTDOWN

HP-SENSE

GND

Shutdown Control (I

= 0.6 µA)

V 2

IN+

IN–

Headphone Interface Logic

Uncompensated Gains of 2 to 20 (BTL

Mode)

BYPASS

HP-IN1

GAIN

Surface-Mount Packaging

HP-IN2

V 1

Thermal and Short-Circuit Protection

GND

High Power Supply Rejection

(56-dB at 1 kHz)

LM4860 Drop-In Compatible

description

The TPA4860 is a bridge-tied load (BTL) audio power amplifier capable of delivering 1 W of continuous average

power into an 8-Ω load at 0.4 % THD+N from a 5-V power supply in voiceband frequencies (f < 5 kHz). A BTL

configuration eliminates the need for external coupling capacitors on the output in most applications. Gain is

externally configured by means of two resistors and does not require compensation for settings of 2 to 20.

Features of this amplifier are a shutdown function for power-sensitive applications as well as headphone

interface logic that mutes the output when the speaker drive is not required. Internal thermal and short-circuit

protection increases device reliability. It also includes headphone interface logic circuitry to facilitate headphone

applications. The amplifier is available in a 16-pin SOIC surface-mount package that reduces board space and

facilitates automated assembly.

typical application circuit

Audio

Input

11 GAIN

IN–

14 IN+

1 W

BYPASS

HP-IN1

1, 4, 8, 9, 16

HP-IN2

Bias

Control

HP-SENSE

SHUTDOWN

Headphone

Plug

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...25

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