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DESCRIPTION

APPLICATION CIRCUIT

_

+

IN-

IN+

PWM

H-

Bridge

Internal

Oscillator

ToBattery

GND

Bias

Circuitry

+

-

Differential

Input

TPA2010D1

SHUTDOWN

A1

A2

A3

B1

B2

B3

C1

C2

C3

IN+

GND

GND

IN-

1,55mm

9-BALL

WAFERCHIPSCALE

YZF,YEFPACKAGES

TPA2010D1DIMENSIONS

(TOPVIEWOFPCB)

Note:PinA1ismarkedwitha “0” for

Pb-free(YZF)anda “1” forSnPb(YEF).

1,40mm

1,55mm

1,40mm

TPA2010D1

SLOS417B – OCTOBER 2003 – REVISED JULY 2006

2.5-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER

•

Ideal for Wireless or Cellular Handsets and

•

Maximum Battery Life and Minimum Heat

PDAs

– Efficiency With an 8-

Ω Speaker:

• 88% at 400 mW

• 80% at 100 mW

The

TPA2010D1

(sometimes

referred

to

as

– 2.8-mA Quiescent Current

TPA2010) is a 2.5-W high efficiency filter-free

– 0.5-µA Shutdown Current

class-D audio power amplifier (class-D amp) in a

1,45 mm

× 1,45 mm wafer chip scale package

•

Only Three External Components

(WCSP)

that

requires

only

three

external

– Optimized PWM Output Stage Eliminates

components.

LC Output Filter

Features

like

88%

efficiency,

–75-dB

PSRR,

– Internally Generated 250-kHz Switching

Frequency Eliminates Capacitor and

PCB area make the TPA2010D1 (TPA2010) class-D

Resistor

amp ideal for cellular handsets. A fast start-up time

– Improved PSRR (–75 dB) and Wide Supply

of 1 ms with minimal pop makes the TPA2010D1

Voltage (2.5 V to 5.5 V) Eliminates Need for

(TPA2010) ideal for PDA applications.

a Voltage Regulator

In cellular handsets, the earpiece, speaker phone,

– Fully Differential Design Reduces RF

and melody ringer can each be driven by the

Rectification and Eliminates Bypass

TPA2010D1. The TPA2010D1 allows independent

Capacitor

gain while summing signals from seperate sources,

and has a low 36

µV noise floor, A-weighted.

– Improved CMRR Eliminates Two Input

Coupling Capacitors

•

Wafer Chip Scale Packaging (WCSP)

– NanoFree™ Lead-Free (YZF)

– NanoStar™ SnPb (YEF)

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.

NanoFree, NanoStar are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2003–2006, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.