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LINP

LINN

RINP

RINN

SDSD

FaultFault

PLIMIT

PBTL

PVCC 8to26V

1 Fm

OUTNL

OUTPL 15W

FERRITE

BEAD

FILTER 8W

OUTR+

OUTR-

OUTL+

OUTL-

Audio

Source

TPA3110D2

GAIN0

GAIN1

OUTNR

OUTPR 15W

8W

FERRITE

BEAD

FILTER

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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual propertymatters and other important disclaimers. PRODUCTION DATA.

TPA3110D2

SLOS528F– JULY2009 – REVISEDAPRIL2017

TPA3110D2 15-W Filter-Free Stereo Class-D AudioPower Amplier With Speakerguard™

1

1 Features

1

•15-W/chinto an 8-Loads at10% THD+N FromΩ

a 16-VSupply

•10-W/ch into8-Loadsat 10%THD+N From aΩ

13-V Supply

•30-W intoa 4-Mono Loadat 10% THD+N FromΩ

a 16-VSupply

•90% EcientClass-D OperationEliminates Need

for Heat Sinks

•Wide SupplyVoltage RangeAllows Operation

From8 Vto 26V

•Filter-Free Operation

•SpeakerGuard™ SpeakerProtection Includes

Adjustable PowerLimiter PlusDC Protection

•Flow ThroughPin OutFacilitates EasyBoard

Layout

•Robust Pin-to-PinShort CircuitProtection and

ThermalProtection WithAuto RecoveryOption

•Excellent THD+N/ Pop-Free Performance

•Four Selectable,Fixed GainSettings

•Dierential Inputs

2 Applications

• Televisions

•Consumer Audio Equipment

3 Description

The TPA3110D2 is a 15-W (per channel) ecient,

Class-D audiopower amplier for drivingbridged-tied

stereo speakers. Advanced EMI Suppression

Technology enables the use of inexpensive ferrite

bead lters at the outputs while meeting EMC

requirements.SpeakerGuard™ speaker protection

circuitryincludes an adjustable power limiter and a

DC detection circuit. The adjustable power limiter

allowsthe user to set a "virtual"voltage rail lower

than the chip supply to limitthe amount of current

through thespeaker. The DC detectcircuitmeasures

the frequency and amplitude of the PWM signal and

shuts othe outputstage ifthe inputcapacitors are

damaged orshorts existon theinputs.

The TPA3110D2 can drive stereo speakers as low as

4. The high eciency of the TPA3110D2, 90%,Ω

eliminatestheneed foran external heatsink when

playing music.

The outputs arealso fullyprotected againstshorts to

GND, VCC, andoutput-to-output. Theshort-circuit

protection and thermalprotection includes anauto-

recovery feature.

Device Information(1)

PART NUMBERPACKAGEBODY SIZE (NOM)

TPA3110D2HTSSOP (28)9.70 mm × 4.40 mm

(1)For all available packages, seethe orderable addendumat

the end of the data sheet.

TPA3110D2 SimpliedApplication Schematic

Produktspecifikationer