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TPA3111D1-Q1

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Class-D-Audioverstärker mit 10 W Stereo, 1 Kanal, 8 bis 26 V Versorgungsspannung, Analogeingang mit

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TPA3111D1-Q1

AKTIV
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Produktdetails

Audio input type Analog Input Architecture Class-D Speaker channels (max) Mono Rating Automotive Power stage supply (max) (V) 26 Power stage supply (min) (V) 8 Load (min) (Ω) 4 Output power (W) 10 SNR (dB) 102 THD + N at 1 kHz (%) 0.05 Iq (typ) (mA) 40 Control interface Hardware Closed/open loop Closed Analog supply (min) (V) 8 Analog supply voltage (max) (V) 26 PSRR (dB) 70 Operating temperature range (°C) -40 to 125
Audio input type Analog Input Architecture Class-D Speaker channels (max) Mono Rating Automotive Power stage supply (max) (V) 26 Power stage supply (min) (V) 8 Load (min) (Ω) 4 Output power (W) 10 SNR (dB) 102 THD + N at 1 kHz (%) 0.05 Iq (typ) (mA) 40 Control interface Hardware Closed/open loop Closed Analog supply (min) (V) 8 Analog supply voltage (max) (V) 26 PSRR (dB) 70 Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 28 62.08 mm² 9.7 x 6.4
  • 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

All trademarks are the property of their respective owners.

  • 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

All trademarks are the property of their respective owners.

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, VCC, 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.

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, VCC, 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.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPA3111D1-Q1 10-W Filter-Free Mono Class-D Audio Power Amplifier With Speakerguard™ datasheet (Rev. E) PDF | HTML 30 Dez 2015
Application note Using Thermal Calculation Tools for Analog Components (Rev. A) 30 Aug 2019
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 26 Aug 2019
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) 27 Jun 2019
Application note Class-D Amplifier External Load Diagnostics 23 Jan 2017
Application note Short-to-Battery Protection Strategies for Class-D Amplifiers 11 Nov 2016
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) 01 Mai 2013
EVM User's guide TPA3111D1EVM Audio Amplifier Evaluation Board User's Guide (Rev. A) 07 Jul 2010

Design und Entwicklung

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Evaluierungsplatine

TPA3111D1EVM — TPA3111D1-Evaluierungsmodul

The TPA3111D1 evaluation module consists of a single 10-W, Class-D, mono audio power amplifier complete with a small number of external components mounted on a circuit board that can be used to directly drive a speaker with an external analog audio source as the input. The EVM’s default output (...)

Benutzerhandbuch: PDF
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Simulationsmodell

TPA3111D1 TINA-TI Reference Design (Rev. A)

SLAM054A.TSC (257 KB) - TINA-TI Reference Design
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Simulationsmodell

TPA3111D1 TINA-TI Spice Model (Rev. A)

SLAM055A.ZIP (13 KB) - TINA-TI Spice Model
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Gerberdatei

TPA3111D1EVM Gerber Files

SLOC152.ZIP (579 KB)
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Simulationstool

PSPICE-FOR-TI — PSpice® für TI Design-und Simulationstool

PSpice® für TI ist eine Design- und Simulationsumgebung, welche Sie dabei unterstützt, die Funktionalität analoger Schaltungen zu evaluieren. Diese voll ausgestattete Design- und Simulationssuite verwendet eine analoge Analyse-Engine von Cadence®. PSpice für TI ist kostenlos erhältlich und (...)
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
HTSSOP (PWP) 28 Ultra Librarian
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