Datasheet > TPA6203A1GQV

TPA6203A1GQV

更新时间： 2024-11-06 23:37:15

品牌	Logo	应用领域
其他 - ETC		商用集成电路音频放大器
页数	文件大小	规格书
19页	216K
描述
AUDIO AMPLIFIER\|SINGLE\|CMOS\|BGA\|8PIN\|PLASTIC

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TPA6203A1GQV 数据手册

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TPA6203A1

SLOS364 – MARCH 2002

1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER

FEATURES

APPLICATIONS

Designed for Wireless or Cellular Handsets

and PDAs

1.25 W Into 8 Ω From a 5-V Supply at

THD = 1% (Typ)

DESCRIPTION

Low Supply Current: 1.7 mA typ

Shutdown Control <1 µA

The TPA6203A1 is a 1.25-W mono fully differential

amplifier designed to drive a speaker with at least 8-Ω

impedance while consuming less than 37 mm total

printed-circuit board (PCB) area in most applications.

This device operates from 2.5 V to 5.5 V, drawing only

1.7 mA of quiescent supply current. The TPA6203A1 is

available in the space-saving 2 mm x 2 mm MicroStar

Junior BGA package.

(1)

Only Five External Components

– Improved PSRR (90 dB) and Wide Supply

Voltage (2.5 V to 5.5 V) for Direct Battery

Operation

– Fully Differential Design Reduces RF

Rectification

Features like 85-dB PSRR from 90 Hz to 5 kHz,

improved RF-rectification immunity, and small PCB

area makes the TPA6203A1 ideal for wireless

handsets. A fast start-up time of 4 µs with minimal pop

makes the TPA6203A1 ideal for PDA applications.

– Improved CMRR Eliminates Two Input

Coupling Capacitors

– C

Is Optional Due to Fully

(BYPASS)

Differential Design and High PSRR

APPLICATION CIRCUIT

Actual Solution Size

To Battery

–

IN–

O+

In From

DAC

O–

C2 IN+

(1)

5,25 mm

GND B2

SHUTDOWN

Bias

Circuitry

(1)

(BYPASS)

6,9 mm

(1)

is optional

(BYPASS)

Pleasebe 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.

MicroStarJunior is a trademark of TexasInstruments.

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.

12 3 4 5 6 7...19

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