Datasheet > TPA0233_07

TPA0233_07

更新时间： 2024-09-21 03:58:51

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
25页	726K
描述
2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE

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TPA0233_07 数据手册

TPA0233

2-W MONO AUDIO POWER AMPLIFIER

WITH HEADPHONE DRIVE

SLOS278D – JANUARY 2000 – REVISED NOVEMBER 2002

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

FILT_CAP

SHUTDOWN

LO/MO–

LIN

GND

ST/MN

RO/MO+

BYPASS

Mono (BTL) Signal Created by Summing

Left and Right Signals

RIN

Wide Power Supply Compatibility

3 V to 5 V

Meets PC99 Portable Specs (target)

Low Supply Current

– 4 mA Typical at 5 V

– 3.3 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 TPA0233 is a 2-W mono bridge-tied-load (BTL) amplifier designed to drive speakers with as low as 4-Ω

impedance. The mono signal is created by summing left and right inputs. 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

headphones are required. From a 5-V supply, the TPA0233 deliver 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 TPA0233 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.

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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与TPA0233_07相关器件

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TPA0233DGQ	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0233DGQG4	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0233DGQR	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
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TPA0242PWPG4	TI	获取价格	2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24, GREEN, PLASTIC, HTSSOP-24
TPA0242PWPR	TI	获取价格	STEREO 2.8-W AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL AND MUX CONTROL
TPA0243	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE
TPA0243DGQ	TI	获取价格	2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE

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