TPA3123D2PWP

Introduction

The TPA3123D2PWP is a Class D audio amplifier belonging to the category of integrated circuits. This device is commonly used in audio applications and is known for its high efficiency, compact package, and excellent audio performance.

Basic Information Overview

Category: Integrated Circuit
Use: Audio Amplification
Characteristics: High Efficiency, Compact Package, Excellent Audio Performance
Package: HTSSOP-28
Essence: Class D Audio Amplifier
Packaging/Quantity: Tape & Reel (2500 units per reel)

Specifications

Power Supply Voltage: 4.5V to 26V
Output Power: 25W per channel at 10% THD into an 8Ω load
Efficiency: Up to 90%
Operating Temperature Range: -40°C to 85°C
Total Harmonic Distortion + Noise (THD+N): 0.1% at 1W, 1kHz, 8Ω

Detailed Pin Configuration

The TPA3123D2PWP features a 28-pin HTSSOP package with detailed pin configuration for power supply, input, output, and control signals. Refer to the datasheet for the complete pinout diagram.

Functional Features

High Efficiency: The Class D architecture ensures minimal power loss, resulting in high overall efficiency.
Low Heat Dissipation: Reduced heat generation due to the efficient switching operation.
Integrated Protection Circuits: Built-in protection against overcurrent, overtemperature, and undervoltage conditions.

Advantages and Disadvantages

Advantages

High Efficiency
Compact Package
Excellent Audio Performance
Integrated Protection Circuits

Disadvantages

Susceptible to Electromagnetic Interference (EMI) due to high-frequency switching.

Working Principles

The TPA3123D2PWP operates on the principle of pulse-width modulation (PWM) to amplify audio signals. It utilizes a bridge-tied load (BTL) configuration to drive speakers efficiently while minimizing power loss.

Detailed Application Field Plans

The TPA3123D2PWP is well-suited for various audio applications, including: - Home Theater Systems - Multimedia Speakers - Portable Audio Devices - Automotive Infotainment Systems

Detailed and Complete Alternative Models

TPA3116D2: Similar Class D audio amplifier with higher output power capability.
TDA7498E: Class D amplifier with advanced EMI suppression features.

In conclusion, the TPA3123D2PWP offers a compelling solution for audio amplification needs, especially in applications where high efficiency and compact design are essential.

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Navedite 10 uobičajenih pitanja i odgovora vezanih uz primjenu TPA3123D2PWP u tehničkim rješenjima

What is the TPA3123D2PWP?
- The TPA3123D2PWP is a stereo, 25-W, digital audio power amplifier with an advanced integrated feedback design and spread-spectrum modulation.
What is the input voltage range for TPA3123D2PWP?
- The input voltage range for TPA3123D2PWP is typically 4.5V to 26V.
What is the typical output power of TPA3123D2PWP?
- The typical output power of TPA3123D2PWP is 25W per channel into an 8-Ω load at 24V.
What are the key features of TPA3123D2PWP?
- Key features include high efficiency, low idle current, and comprehensive click-and-pop suppression.
What are the recommended applications for TPA3123D2PWP?
- TPA3123D2PWP is commonly used in LCD TVs, mini/micro component systems, and wireless speakers.
What is the operating temperature range for TPA3123D2PWP?
- The operating temperature range for TPA3123D2PWP is -40°C to 85°C.
Does TPA3123D2PWP require external components for operation?
- Yes, TPA3123D2PWP requires minimal external components for operation, making it suitable for compact designs.
What is the efficiency of TPA3123D2PWP?
- The efficiency of TPA3123D2PWP can reach up to 90%, contributing to energy savings and reduced heat dissipation.
Can TPA3123D2PWP be used in battery-powered devices?
- Yes, TPA3123D2PWP's low idle current and high efficiency make it suitable for battery-powered devices such as portable speakers.
Are there any application notes or reference designs available for TPA3123D2PWP?
- Yes, Texas Instruments provides application notes and reference designs to assist in the implementation of TPA3123D2PWP in various technical solutions.