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See Technical Specifications

TPA3111D1QPWPRQ1

Automotive, 10-W, 1-ch, 8- to 26-V supply analog input Class-D audio amplifier w/ SpeakerGuard™

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TPA3111D1QPWPRQ1
Datasheet:

TPA3111D1QPWPRQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q100, SpeakerGuard™
Type:

Class D
Output Type:

1-Channel (Mono)
Max Output Power x Channels @ Load:

10W x 1 @ 8Ohm
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TPA3111D1QPWPRQ1 General Description

The TPA3111D1-Q1 device is a 10-W efficient, Class-D audio power amplifier for driving a bridge tied speaker. Advanced EMI suppression technology enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements. SpeakerGuard™ protection circuitry includes an adjustable power limiter and a DC detection circuit. The adjustable power limiter allows the user to set a virtual voltage rail lower than the chip supply to limit the amount of current through the speaker. The DC-detect circuit measures the frequency and amplitude of the PWM signal and shuts off the output stage if the input capacitors are damaged or shorts exist on the inputs.

The TPA3111D1-Q1 device can drive a mono speaker as low as 4 Ω. The high efficiency of the TPA3111D1-Q1 device, > 90%, eliminates the need for an external heat sink when playing music.

The outputs are fully protected against shorts to GND, V_CC, and output-to-output. The short-circuit protection and thermal protection includes an auto-recovery feature.

For all available packages, see the orderable addendum at the end of the data sheet.

Key Features

Qualified for Automotive Applications
AEC-Q100 Qualified with the Following Results:
- Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level H2
- Device CDM ESD Classification Level C2
10-W into an 8-Ω Load at 10% THD+N from a 12-V Supply
7-W into a 4-Ω Load at 10% THD+N from an 8-V Supply
94% Efficient Class-D Operation into 8-Ω Load Eliminates Need for Heat Sinks
Wide Supply Voltage Range Allows Operation from 8 to 26 V
Filter-Free Operation
SpeakerGuard Speaker Protection Includes Adjustable Power Limiter Plus DC Protection
Flow Through Pin Out 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

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Specifications

Category	Integrated Circuits (ICs)LinearAmplifiersAudio Amplifiers	Series	Automotive, AEC-Q100, SpeakerGuard™
Type	Class D	Output Type	1-Channel (Mono)
Max Output Power x Channels @ Load	10W x 1 @ 8Ohm	Voltage - Supply	8V ~ 26V
Features	Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown	Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C (TA)	Base Product Number	TPA3111

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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Ratings and Reviews

L**n 05/03/2024

Got it. Fixed 4 power supplies out of 4! Thank you!

M**a 03/30/2020

All ok. delivery fast-all whole and working. Although i'm a beginner but quickly figured out

R**y 02/09/2020

Came quickly 4 pcs. working capacity has not yet checked

v**n 02/07/2020

Suede otrimav through three tight. The description on the site will open. Came to the fair station. I robotot the store and the goods i'm enslaved. Uncle