QFN

HTQFP

Simplified ApplicationCircuit

TV Audio

Processor

RINP

BSRN

BSRP

VCLAMPR

VCLAMPL

PGNDR

PGNDL

VREG

VBYP

ROSC

BSLN

ROUTN

LOUTN

LOUTP

BSLP

ROUTP

TPA3100D2

LINN

RINN

LINP

MUTE

GAIN0

GAIN1

SYNC

FAULT

PVCCR

PVCCL

AVCC

AGND

MSTR/SLV

SHUTDOWN

Shutdown

Control

MuteControl

SyncControl

FaultFlag

10Vto26V

GainSelect

1 F

m

1 F

m

1 F

m

1 F

m

10nF

100kW

0.22 F

m

0.22 F

m

0.22 F

m

0.22 F

m

1 F

m

1 F

m

1 F

m

TPA3100D2

www.ti.com

SLOS469F – OCTOBER 2005 – REVISED AUGUST 2010

20-W STEREO CLASS-D AUDIO POWER AMPLIFIER

Check for Samples: TPA3100D2

1

FEATURES

APPLICATIONS

•

Televisions

•

20-W/ch into an 8-

Ω Load From a 18-V Supply

•

10-W/ch into an 8-

Ω Load From a 12-V Supply

DESCRIPTION

•

15-W/ch into an 4-

Ω Load From a 12-V Supply

The TPA3100D2 is a 20-W (per channel) efficient,

•

Operates from 10 V to 26 V

Class-D audio power amplifier for driving bridged-tied

•

92% Efficient Class-D Operation Eliminates

stereo speakers. The TPA3100D2 can drive stereo

Need for Heat Sinks

speakers as low as 4

Ω. The high efficiency of the

•

Four Selectable, Fixed Gain Settings

TPA3100D2,

92%,

eliminates

the

need

for

an

external heat sink when playing music.

•

Differential Inputs

The gain of the amplifier is controlled by two gain

•

Thermal and Short-Circuit Protection With

select pins. The gain selections are 20, 26, 32,

Auto Recovery Feature

36 dB.

•

Clock Output for Synchronization With

The outputs are fully protected against shorts to

Multiple Class-D Devices

•

Surface Mount 7 mm × 7 mm, 48-pin QFN

recovery feature and monitor output.

Package

•

Surface Mount 9 mm × 9 mm, 48-pin HTQFP

Package

1

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.

Copyright © 2005–2010, 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.