QFN

1

FEATURES

APPLICATIONS

DESCRIPTION

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-Q1

20-W STEREO CLASS-D AUDIO POWER AMPLIFIER

• Televisions

• Qualified for Automotive Applications

• 20 W/Channel Into an 8-Ω Load From

an 18-V Supply

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

• 10 W/Channel Into an 8-Ω Load From

class-D audio power amplifier for driving bridged-tied

a 12-V Supply

stereo speakers. The TPA3100D2 can drive stereo

• 15 W/Channel Into an 4-Ω Load From

speakers as low as 4

Ω. The high efficiency of the

a 12-V Supply

TPA3100D2,

92%,

eliminates

the

need

for

an

• Operates From 10 V to 26 V

external heat sink when playing music.

• 92% Efficient Class-D Operation Eliminates

The gain of the amplifier is controlled by two gain

Need for Heat Sinks

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

32 dB, or 36 dB.

• Four Selectable Fixed-Gain Settings

• Differential Inputs

The outputs are fully protected against shorts to

• Thermal and Short-Circuit Protection With

auto-recovery feature and monitor output.

Auto-Recovery Feature

• Clock Output for Synchronization With

<br/>

Multiple Class-D Devices

<br/>

• Surface Mount 7-mm × 7-mm 48-pin QFN

(RGZ) 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 © 2008, 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.