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TPA3111D1QPWPRQ1 Folha de dados(PDF) 1 Page - Texas Instruments

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Nome de Peças TPA3111D1QPWPRQ1
Descrição Electrónicos  Filter-Free Mono Class-D Audio Power Amplifier
Download  31 Pages
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3111D1QPWPRQ1 Folha de dados(HTML) 1 Page - Texas Instruments

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INP
INN
SD
Fault
PLIMIT
PVCC
8 to 26 V
1 µF
BEAD
10 W
8
OUTN
BEAD
OUTP
10
8 Ω
OUT+
OUT–
Audio
Source
TPA3111D1-Q1
GAIN0
GAIN1
Ferrite
Bead
Filter
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
TPA3111D1-Q1
SLOS759E – MARCH 2012 – REVISED DECEMBER 2015
TPA3111D1-Q1 10-W Filter-Free Mono Class-D Audio Power Amplifier With
Speakerguard™
1 Features
3 Description
The TPA3111D1-Q1 device is a 10-W efficient,
1
Qualified for Automotive Applications
Class-D audio power amplifier for driving a bridge tied
AEC-Q100 Qualified with the Following Results:
speaker. Advanced EMI suppression technology
Device Temperature Grade 1: –40°C to 125°C
enables the use of inexpensive ferrite bead filters at
Ambient Operating Temperature Range
the
outputs
while
meeting
EMC
requirements.
SpeakerGuard™
protection
circuitry
includes
an
Device HBM ESD Classification Level H2
adjustable power limiter and a DC detection circuit.
Device CDM ESD Classification Level C2
The adjustable power limiter allows the user to set a
10-W into an 8-
Ω Load at 10% THD+N from a 12-
virtual voltage rail lower than the chip supply to limit
V Supply
the amount of current through the speaker. The DC-
detect circuit measures the frequency and amplitude
7-W into a 4-
Ω Load at 10% THD+N from an 8-V
of the PWM signal and shuts off the output stage if
Supply
the input capacitors are damaged or shorts exist on
94% Efficient Class-D Operation into 8-
Ω Load
the inputs.
Eliminates Need for Heat Sinks
The TPA3111D1-Q1 device can drive a mono
Wide Supply Voltage Range Allows Operation
speaker as low as 4
Ω. The high efficiency of the
from 8 to 26 V
TPA3111D1-Q1 device, > 90%, eliminates the need
Filter-Free Operation
for an external heat sink when playing music.
SpeakerGuard™ Speaker Protection Includes
The outputs are fully protected against shorts to
Adjustable Power Limiter Plus DC Protection
GND, VCC, and output-to-output. The short-circuit
Flow Through Pin Out Facilitates Easy Board
protection and thermal protection includes an auto-
recovery feature.
Layout
Robust Pin-to-Pin Short-Circuit Protection and
Device Information(1)
Thermal Protection with Auto-Recovery Option
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Excellent THD+N and Pop Free Performance
TPA3111D1-Q1
HTSSOP (28)
9.70 mm × 4.40 mm
Four Selectable Fixed Gain Settings
(1) For all available packages, see the orderable addendum at
Differential Inputs
the end of the data sheet.
2 Applications
Simplified Application Diagram
Automotive Noise Generation for HEV/EV
Automotive Emergency Call (eCall) Systems
Automotive Infotainment Systems (Head Unit,
Cluster, Telematics, Navigation)
Automotive Connectivity Gateway
Professional Audio Equipment (PA Speakers,
Studio Headphones, Performance Amplifiers,
Premium Microphones)
Aerospace and Aviation Audio Systems
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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