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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