TPA0223

更新时间： 2024-11-24 22:42:03

品牌	Logo	应用领域
德州仪器 - TI		驱动器放大器功率放大器
页数	文件大小	规格书
6页	90K
描述
2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE

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TPA0223 数据手册

TPA0223

2-W MONO AUDIO POWER AMPLIFIER

WITH HEADPHONE DRIVE

SLOS277A – JANUARY 2000 – REVISED MARCH 2000

DGQ PACKAGE

(TOP VIEW)

Ideal for Notebook Computers, PDAs, and

Other Small Portable Audio Devices

2 W Into 4-Ω From 5-V Supply

0.6 W Into 4-Ω From 3-V Supply

Stereo Head Phone Drive

MONO–IN

SHUTDOWN

LO/MO

LIN

GND

SR/MN

RO/MO

BYPASS

Separate Inputs for the Mono (BTL) Signal

and Stereo (SE) Left/Right Signals

RIN

Wide Power Supply Compatibility

3 V to 5 V

Meets PC99 Desktop Specs (Target)

Low Supply Current

– 11 mA Typical at 5 V

– 10 mA Typical at 3 V

Shutdown Control . . . 1 µA Typical

Shutdown Pin is TTL Compatible

–40°C to 85°C Operating Temperature

Range

Space-Saving, Thermally-Enhanced MSOP

Packaging

description

The TPA0223 is a 2-W mono bridge-tied-load (BTL) amplifier designed to drive speakers with as low as 4-Ω

impedance. The amplifier can be reconfigured on-the-fly to drive two stereo single-ended (SE) signals into head

phones. This makes the device ideal for use in small notebook computers, PDAs, Digital Personal Audio

players, anyplace a mono speaker and stereo head phones are required. From a 5-V supply, the TPA0223 can

delivery 2-W of power into a 4-Ω speaker.

The gain of the input stage is set by the user-selected input resistor and a 50-kΩ internal feedback resistor

(A = – R / R ). The power stage is internally configured with a gain of –1.25 V/V in SE mode, and –2.5 V/V in

BTL mode. Thus, the overall gain of the amplifier is 62.5 kΩ/ R in SE mode and 125 kΩ/ R in BTL mode. The

input terminals are high-impedance CMOS inputs, and can be used as summing nodes.

The TPA0223 is available in the 10-pin thermally-enhanced MSOP package (DGQ) and operates over an

ambient temperature range of –40°C to 85°C.

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 Incorporated.

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

中文翻译

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TPA0223 替代型号

型号	品牌	替代类型	描述	数据表
TPA0233	TI	功能相似	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0213	TI	功能相似	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0211	TI	功能相似	2-W MONO AUDIO POWER AMPLIFIER

与TPA0223相关器件

型号	品牌	获取价格	描述	数据表
TPA0223DGQ	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0223DGQG4	TI	获取价格	IC,AUDIO AMPLIFIER,SINGLE,CMOS,TSSOP,10PIN,PLASTIC
TPA0223DGQR	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0223DGQRG4	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0232	TI	获取价格	STEREO 2-W AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL AND MUX CONTROL
TPA0232PWP	TI	获取价格	STEREO 2-W AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL AND MUX CONTROL
TPA0232PWPR	ETC	获取价格	AUDIO AMPLIFIER\|DUAL\|CMOS\|TSSOP\|24PIN\|PLASTIC
TPA0233	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0233_07	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0233DGQ	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE

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