QFN

TQFP

www.ti.com

FEATURES

APPLICATIONS

DESCRIPTION

TPA3100D2

(QFN Version)

GAIN1

LINP

RINN

RINP

AGND

LINN

GAIN0

SYNC

MSTR/SLV

NC

NC

NC

Fault

Output

Shutdown

and Mute

Control

220nF

220nF

220nF

220nF

PVCCR

NC

NC

PGNDR

PVCCR

PGNDR

VCLAMPR

VCLAMPL

PVCCL

PGNDL

PGNDL

PVCCL

10 V - 26 V

10 V - 26 V

10 F

m

10 V - 26 V

1 F

m

1 F

m

1 F

m

1 F

m

1 F

m

220 F

m

1 F

m

1 F

m

1 F

m

220 F

m

1 F

m

1 F

m

10 nF

100 kW

Differential

Analog

Inputs

4-Step

Gain Control

Synchronize Multiple

Class-D Devices

33 H

m

33 H

m

33 H

m

33 H

m

0.47 F

m

0.47 F

m

0.1 F

m

0.1 F

m

0.1 F

m

0.1 F

m

8 W

8 W

Fault

Output

Shutdown

and Mute

Control

TPA3100D2

(TQFP Version)

GAIN1

LINP

RINN

RINP

AGND

LINN

GAIN0

SYNC

MSTR/SLV

GND

GAIN0

GND

10 V - 26 V

220nF

220nF

220nF

220nF

PVCCR

GND

GND

PGNDR

PVCCR

PGNDR

VCLAMPR

VCLAMPL

PVCCL

PGNDL

PGNDL

PVCCL

10 V - 26 V

10 V - 26 V

10 F

m

33 H

m

33 H

m

0.47 F

m

1 F

m

1 F

m

1 F

m

1 F

m

1 F

m

220 F

m

1 F

m

1 F

m

1 F

m

220 F

m

1 F

m

1 F

m

10 nF

100 kW

0.1 F

m

0.1 F

m

Differential

Analog

Inputs

4-Step

Gain Control

Synchronize Multiple

Class-D Devices

33 H

m

33 H

m

0.47 F

m

0.1 F

m

8 W

8 W

0.1 F

m

TPA3100D2

SLOS469B – OCTOBER 2005 – REVISED OCTOBER 2005

20-W STEREO CLASS-D AUDIO POWER AMPLIFIER

•

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

•

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, 36

Auto Recovery Feature

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 7 mm

× 7 mm, 48-pin TQFP

Package

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.

UNLESS

OTHERWISE

NOTED

this

document

contains

Copyright © 2005, Texas Instruments Incorporated

PRODUCTION DATA information 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.