Texas Instruments
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TPA3123D2PWPRG4
צפה בפרטים DataSheets

TPA3123D2PWPRG4

Introduction

The TPA3123D2PWPRG4 is a Class D audio amplifier belonging to the Texas Instruments family of integrated circuits. This entry provides an overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplification
  • Characteristics: Class D Amplifier, High Efficiency, Low Power Dissipation
  • Package: PowerPAD HTSSOP-32
  • Essence: Efficient Audio Amplification
  • Packaging/Quantity: Tape & Reel (2500 units)

Specifications

  • Output Power: Up to 25W per channel
  • Operating Voltage: 8V to 26V
  • Efficiency: Up to 90%
  • THD+N: <0.1%
  • SNR: >100dB
  • Shutdown Current: <1µA

Detailed Pin Configuration

The TPA3123D2PWPRG4 features a 32-pin PowerPAD HTSSOP package with detailed pin configurations for power supply, input, output, and control signals.

| Pin No. | Name | Description | |---------|------------|--------------------------| | 1 | PVDD | Power Supply Voltage | | 2 | OUT1 | Channel 1 Output | | 3 | GND | Ground | | ... | ... | ... | | 32 | MUTE | Mute Control |

Functional Features

  • High Efficiency: The Class D architecture ensures minimal power dissipation.
  • Low THD+N: Delivers high-quality audio with low total harmonic distortion and noise.
  • Flexible Shutdown Control: Allows for ultra-low power consumption during standby.

Advantages and Disadvantages

Advantages

  • High Efficiency
  • Low Power Dissipation
  • High-Quality Audio Output
  • Flexible Shutdown Control

Disadvantages

  • Sensitivity to EMI/RFI due to high-frequency operation
  • Additional filtering may be required for sensitive audio applications

Working Principles

The TPA3123D2PWPRG4 operates on the principle of pulse-width modulation (PWM) to amplify audio signals efficiently. It utilizes a modulator to convert the input audio signal into a series of pulses, which are then amplified by the power stage and filtered to produce the final amplified output.

Detailed Application Field Plans

The TPA3123D2PWPRG4 is well-suited for various audio amplification applications, including: - Home Entertainment Systems - Automotive Infotainment Systems - Portable Speakers - Professional Audio Equipment

Detailed and Complete Alternative Models

  • TPA3116D2: Offers similar performance with a different package and pin configuration.
  • TAS5727: Provides advanced audio processing features in addition to amplification.

In conclusion, the TPA3123D2PWPRG4 from Texas Instruments is a versatile Class D audio amplifier with high efficiency and flexible control features, making it suitable for a wide range of audio amplification applications.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של TPA3123D2PWPRG4 בפתרונות טכניים

  1. What is the TPA3123D2PWPRG4?

    • The TPA3123D2PWPRG4 is a stereo, 15-W Class-D audio amplifier with differential inputs and outputs.

  2. What are the key features of TPA3123D2PWPRG4?

    • The key features include high efficiency, low idle current, and minimal external components for operation.

  3. What is the typical application of TPA3123D2PWPRG4?

    • The TPA3123D2PWPRG4 is commonly used in applications such as LCD monitors, portable speakers, and automotive audio systems.

  4. What is the input voltage range for TPA3123D2PWPRG4?

    • The input voltage range for TPA3123D2PWPRG4 is typically between 4.5V to 26V.

  5. What is the output power capability of TPA3123D2PWPRG4?

    • TPA3123D2PWPRG4 can deliver up to 15W per channel into an 8-Ω load at 10% THD+N.

  6. How does TPA3123D2PWPRG4 handle thermal protection?

    • TPA3123D2PWPRG4 has built-in thermal shutdown and overtemperature protection to prevent damage from excessive heat.

  7. What is the efficiency of TPA3123D2PWPRG4?

    • The TPA3123D2PWPRG4 offers high efficiency, typically above 90%, making it suitable for battery-powered applications.

  8. Does TPA3123D2PWPRG4 require external compensation?

    • No, TPA3123D2PWPRG4 does not require external compensation, simplifying the design process.

  9. Can TPA3123D2PWPRG4 operate in a single-ended configuration?

    • Yes, TPA3123D2PWPRG4 can operate in a single-ended configuration, providing flexibility in system design.

  10. What are the recommended layout guidelines for TPA3123D2PWPRG4?

    • It is recommended to follow the layout guidelines provided in the datasheet to minimize noise and ensure optimal performance of the amplifier.