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TPA3110D2-Q1

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Class-D-Audioverstärker mit 15 W Stereo, 2 Kanal, 8 bis 26 V Versorgungsspannung, Analogeingang mit

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TPA3110D2-Q1

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Produktdetails

Audio input type Analog Input Architecture Class-D Speaker channels (max) Stereo 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 (%) 0.1 Iq (typ) (mA) 10 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) Stereo 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 (%) 0.1 Iq (typ) (mA) 10 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
  • 15-W/ch Into 8-Ω Loads at 10% THD+N From a
    16-V Supply
  • 10-W/ch Into 8-Ω Loads at 10% THD+N From a
    13-V Supply
  • 30-W Into a 4-Ω Mono Load at 10% THD+N From a
    16-V Supply
  • 90% Efficient Class-D Operation Eliminates Need
    for Heat Sinks
  • Wide Supply Voltage Range Allows Operation
    from 8 V to 26 V
  • Filter-Free Operation
  • SpeakerGuard™ Protection Circuitry 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
  • 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
  • 15-W/ch Into 8-Ω Loads at 10% THD+N From a
    16-V Supply
  • 10-W/ch Into 8-Ω Loads at 10% THD+N From a
    13-V Supply
  • 30-W Into a 4-Ω Mono Load at 10% THD+N From a
    16-V Supply
  • 90% Efficient Class-D Operation Eliminates Need
    for Heat Sinks
  • Wide Supply Voltage Range Allows Operation
    from 8 V to 26 V
  • Filter-Free Operation
  • SpeakerGuard™ Protection Circuitry 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

The TPA3110D2-Q1 is a 15-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 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 TPA3110D2-Q1 can drive stereo speakers as low as 4 Ω. The high efficiency of the device, 90%, eliminates the need for an external heat sink when playing music.

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

The TPA3110D2-Q1 is a 15-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 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 TPA3110D2-Q1 can drive stereo speakers as low as 4 Ω. The high efficiency of the device, 90%, eliminates the need for an external heat sink when playing music.

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

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Typ Titel Datum
* Data sheet TPA3110D2-Q1 15-W Filter-Free Stereo Class-D Audio Power Amplifier With SpeakerGuard™ datasheet (Rev. B) PDF | HTML 09 Sep 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 Short-to-Battery Protection Strategies for Class-D Amplifiers 11 Nov 2016
User guide TPA3110D2EVM Audio Amplifier Evaluation Board (Rev. B) 13 Aug 2015
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) 01 Mai 2013

Design und Entwicklung

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Evaluierungsplatine

TPA3110D2EVM — TPA3110D2-Evaluierungsmodul

The TPA3110D2 evaluation module consists of a single 15-W, Class-D, stereo 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 (...)

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TPA3110D2 TINA-TI Reference Design

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TPA3110D2 TINA-TI Spice Model

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TPA3110D2EVM_Gerbers

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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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