TPA3113D2PWPR ,6-W Stereo Class-D Audio Power Amplifier with SpeakerGuard™ (TPA3113) 28-HTSSOP -40 to 85Features 3 DescriptionThe TPA3113D2 is a 6-W (per channel) efficient,1• 6-W/ch into an 8-Ω Loads at ..
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TPA3113D2PWPR
6-W Stereo Class-D Audio Power Amplifier with SpeakerGuard™ (TPA3113) 28-HTSSOP -40 to 85
LINP
LINN
RINP
RINNSD
FaultFault
PLIMIT
PVCCFm
OUTNL
FERRITE
BEAD
FILTER
OUTPL 6W
FERRITE
BEAD
FILTER
FERRITE
BEAD
FILTER 8W
OUTR+
OUTR-
OUTL+
OUTL-Audio
Source
TPA3113D2
GAIN0
GAIN1
OUTNR
FERRITE
BEAD
FILTER
OUTPR 6W
FERRITE
BEAD
FILTER
FERRITE
BEAD
FILTERProduct
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TPA3113D2SLOS650F–AUGUST 2009–REVISED JUNE 2016
TPA3113D2 6-W Filter-Free Stereo Class-D Audio Power Amplifier With SpeakerGuard™ Features 6-W/ch intoan 8-Ω Loadsat 10% THD+N Froma
10-V Supply 12-W intoa 4-Ω Mono Loadat 10% THD+N From 10-V Supply 87% Efficient Class-D Operation Eliminates Need
for Heat Sinks Wide Supply Voltage Range Allows Operation
from8Vto26V Filter-Free Operation SpeakerGuard™ Speaker Protection Includes
Adjustable Power Limiter Plus DC Protection Flow-Through Pinout Facilitates Easy Board
Layout Robust Pin-to-Pin Short-Circuit Protection and
Thermal Protection With Auto Recovery Option Excellent THD+N and Pop-Free Performance Four Selectable, Fixed Gain Settings Differential Inputs
Applications Televisions Consumer Audio Equipment Monitors
DescriptionThe TPA3113D2isa 6-W (per channel) efficient,
Class-D audio power amplifier for driving bridged-tied
stereo speakers. Advanced EMI Suppression
Technology enables the use of inexpensive ferrite
bead filters at the outputs while meeting EMC
requirements. SpeakerGuard™ speaker protection
circuitry includes an adjustable power limiter anda detection circuit. The adjustable power limiter
allows the userto seta virtual voltage rail lower than
the chip supplyto limit the amountof current through
the speaker. The DC detect circuit measures the
frequency and amplitude of the PWM signal and
shuts off the output stageif the input capacitors are
damagedor shorts existon the inputs.
The TPA3113D2 can drive stereo speakersas lowas Ω. The high efficiencyof the TPA3113D2, 87%,
eliminates the need for an external heat sink when
playing music.
The outputs are also fully protected against shortsto
GND, VCC, and output-to-output. The short-circuit
protection and thermal protection includes an auto-
recovery feature.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
TPA3113D2 Simplified Application Schematic
