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TPA3113D2 датащит (Datasheet) 1 Page - TI store

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№ деталь TPA3113D2
подробность  6-W FILTER-FREE STEREO CLASS-D AUDIO POWER AMPLIFIER WITH SPEAKERGUARD™
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производитель  TI [TI store]
домашняя страница  http://www.ti.com
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1
FEATURES
DESCRIPTION
APPLICATIONS
LINP
LINN
RINP
RINN
SD
SD
Fault
Fault
PLIMIT
PBTL
PVCC
8to26V
1 F
m
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
8W
FERRITE
BEAD
FILTER
FERRITE
BEAD
FILTER
TPA3113D2
www.ti.com ........................................................................................................................................... SLOS650B – AUGUST 2009 – REVISED SEPTEMBER 2009
6-W FILTER-FREE STEREO CLASS-D AUDIO POWER AMPLIFIER WITH
SPEAKERGUARD™
2
• 6-W/ch into an 8-Ω Loads at 10% THD+N From
a 10-V Supply
The TPA3113D2 is a 6-W (per channel) efficient,
Class-D audio power amplifier for driving bridged-tied
• 12-W into a 4-Ω Mono Load at 10% THD+N
stereo
speakers.
Advanced
EMI
Suppression
From a 10-V Supply
Technology enables the use of inexpensive ferrite
• 87% Efficient Class-D Operation Eliminates
bead filters at the outputs while meeting EMC
Need for Heat Sinks
requirements. SpeakerGuard™ speaker protection
• Wide Supply Voltage Range Allows Operation
circuitry includes an adjustable power limiter and a
from 8 V to 26 V
DC detection circuit. The adjustable power limiter
allows the user to set a "virtual" voltage rail lower
• Filter-Free Operation
than the chip supply to limit the amount of current
• SpeakerGuard™ Speaker Protection Includes
through the speaker. The DC detect circuit measures
Adjustable Power Limiter plus DC Protection
the frequency and amplitude of the PWM signal and
• Flow Through Pin Out Facilitates Easy Board
shuts off the output stage if the input capacitors are
damaged or shorts exist on the inputs.
Layout
• Robust Pin-to-Pin Short Circuit Protection and
The TPA3113D2 can drive stereo speakers as low as
Thermal Protection with Auto Recovery Option
4
Ω. The high efficiency of the TPA3113D2, 87%,
eliminates the need for an external heat sink when
• Excellent THD+N / Pop-Free Performance
playing music.
• Four Selectable, Fixed Gain Settings
The outputs are also fully protected against shorts to
• Differential Inputs
GND, VCC, and output-to-output. The short-circuit
protection
and
thermal
protection
includes
an
auto-recovery feature.
• Televisions
• Consumer Audio Equipment
• Monitors
Figure 1. TPA3113D2 Simplified Application Schematic
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.
2
SpeakerGuard, PowerPad are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009, 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.




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