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FEATURES

DESCRIPTION

APPLICATIONS

10

µF

220 nF

220 nF

PVCC

PVCC

220 nF

220 nF

PVCC

PVCC

220 pF

Left Differential

Inputs

Right Differential

Inputs

Shutdown/Mute

Gain

Control

TPA3008D2

VCLAMPR

SHUTDOWN

V2P5

RINP

LINN

LINP

AVDDREF

NC

GAIN0

GAIN1

NC

NC

AVDD

AGND

COSC

ROSC

AVCC

VCLAMPL

RINN

AVCC

AGND

10

µF

0.1

µF

0.1

µF

0.47

µF

0.47

µF

0.47

µF

0.47

µF

0.47

µF

0.1

µF

0.1

µF

10

µF

10

µF

1

µF

120 k

Ω

1

µF

NC

NC

NC

FAULT

0.1

µF

10

µF

1

µF

Control

†Optional output filter for EMI suppression

†

TPA3008D2

SLOS435A – MAY 2004 – REVISED JULY 2004

10-W STEREO CLASS-D AUDIO POWER AMPLIFIER

•

10-W/Channel Into an 16-

Ω Load From a

The TPA3008D2 is a 10-W (per channel) efficient,

17-V Supply

class-D audio amplifier for driving bridged-tied stereo

speakers. The TPA3008D2 can drive stereo speakers

•

Up to 92% Efficient, Class-D Operation

as low as 8

Ω. The high efficiency of the TPA3008D2

Eliminates Need For Heatsinks

eliminates the need for external heatsinks when

•

8.5-V to 18-V Single-Supply Operation

playing music.

•

Four Selectable, Fixed Gain Settings

The gain of the amplifier is controlled by two gain

•

Differential Inputs Minimizes Common-Mode

select pins. The gain selections are 15.3, 21.2, 27.2,

Noise

and 31.8 dB.

•

Space-Saving, Thermally Enhanced

The outputs are fully protected against shorts to

PowerPAD™ Packaging

GND, VCC, and output-to-output shorts. A fault ter-

•

Thermal and Short-Circuit Protection

minal allows short-circuit fault reporting and automatic

With Auto Recovery Option

recovery. Thermal protection ensures that the maxi-

mum junction temperature is not exceeded.

•

Pinout Similar to TPA3000D Family

•

LCD Monitors and TVs

•

All-In-One PCs

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.

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2004, 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.