Datasheet > TPA711_07

TPA711_07

更新时间： 2024-09-21 03:58:47

品牌	Logo	应用领域
德州仪器 - TI		放大器功率放大器低压音频
页数	文件大小	规格书
37页	945K
描述
700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER

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TPA711_07 数据手册

TPA711

700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER

SLOS230D – NOVEMBER 1998 – REVISED OCTOBER 2002

Fully Specified for 3.3-V and 5-V Operation

BTL to SE Mode Control

Wide Power Supply Compatibility

2.5 V – 5.5 V

Integrated Depop Circuitry

Thermal and Short-Circuit Protection

Output Power

Surface-Mount Packaging

– SOIC

– PowerPAD MSOP

– 700 mW at V

= 5 V, BTL, R = 8 Ω

– 85 mW at V

– 250 mW at V

= 5 V, SE, R = 32 Ω

= 3.3 V, BTL, R = 8 Ω

– 37 mW at V

= 3.3 V, SE, R = 32 Ω

D OR DGN PACKAGE

(TOP VIEW)

Shutdown Control

– I

= 7 µA at 3.3 V

= 50 µA at 5 V

SHUTDOWN

BYPASS

SE/BTL

V –

GND

description

V +

The TPA711 is a bridge-tied load (BTL) or

single-ended (SE) audio power amplifier devel-

oped especially for low-voltage applications where internal speakers and external earphone operation are

required. Operating with a 3.3-V supply, the TPA711 can deliver 250-mW of continuous power into a BTL 8-Ω

load at less than 0.6% THD+N throughout voice band frequencies. Although this device is characterized out

to 20 kHz, its operation is optimized for narrower band applications such as wireless communications. The BTL

configuration eliminates the need for external coupling capacitors on the output in most applications, which is

particularly important for small battery-powered equipment. A unique feature of the TPA711 is that it allows the

amplifier to switch from BTL to SE on the fly when an earphone drive is required. This eliminates complicated

mechanical switching or auxiliary devices just to drive the external load. This device features a shutdown mode

for power-sensitive applications with special depop circuitry to eliminate speaker noise when exiting shutdown

mode. The TPA711 is available in an 8-pin SOIC and the surface-mount PowerPAD MSOP package, which

reduces board space by 50% and height by 40%.

Audio

Input

–

BYPASS

700 mW

–

GND

SHUTDOWN

SE/BTL

From System Control

From HP Jack

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 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...37

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与TPA711_07相关器件

型号	品牌	获取价格	描述	数据表
TPA711D	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
TPA711DG4	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
TPA711DGN	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
TPA711DGNG4	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
TPA711DGNR	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
TPA711DGNRG4	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
TPA711DR	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
TPA711DRG4	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
TPA711EVM	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
TPA721	TI	获取价格	700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER

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