TDA7256 - Integrated Circuit Encyclopedia Entry

Introduction

The TDA7256 is an integrated circuit belonging to the category of audio power amplifiers. This encyclopedia entry provides a comprehensive overview of the TDA7256, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Audio Power Amplifier
• Use: The TDA7256 is primarily used for amplifying audio signals in various electronic devices such as audio systems, televisions, and automotive audio systems.
• Characteristics: The TDA7256 is known for its high-quality audio amplification, low distortion, and efficient power consumption.
• Package: The TDA7256 is available in a multiwatt15V package.
• Essence: The essence of the TDA7256 lies in its ability to deliver high-fidelity audio amplification with minimal distortion.
• Packaging/Quantity: The TDA7256 is typically packaged individually and is available in varying quantities based on manufacturer specifications.

Specifications

The TDA7256 has the following key specifications: - Maximum Supply Voltage: 18V - Output Power: 20W - Total Harmonic Distortion: 0.5% - Operating Temperature Range: -40°C to 105°C - Package Type: Multiwatt15V

Detailed Pin Configuration

The detailed pin configuration of the TDA7256 is as follows: 1. VCC (Supply Voltage) 2. GND (Ground) 3. Input- 4. Input+ 5. Standby 6. Output 7. Bootstrap 8. Filter

Functional Features

The TDA7256 offers the following functional features: - High-quality audio amplification - Low distortion - Thermal shutdown protection - Short-circuit protection - Standby mode for power saving

Advantages and Disadvantages

Advantages

• High-fidelity audio amplification
• Built-in protection mechanisms
• Efficient power consumption
• Standby mode for power saving

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires proper heat dissipation for optimal performance

Working Principles

The TDA7256 operates by amplifying the input audio signal using internal circuitry and delivering the amplified signal to the output while maintaining low distortion and high fidelity. It utilizes built-in protection mechanisms to ensure safe operation under varying conditions.

Detailed Application Field Plans

The TDA7256 is well-suited for the following application fields: - Home audio systems - Automotive audio systems - Portable audio devices - Television and multimedia systems

Detailed and Complete Alternative Models

Some alternative models to the TDA7256 include: - TDA7265: Similar audio power amplifier with higher output power - TDA7297: Dual-channel audio amplifier with integrated volume control - TDA2030A: Low-cost audio amplifier with good performance

In conclusion, the TDA7256 is a versatile audio power amplifier that offers high-quality audio amplification with built-in protection mechanisms. Its efficient power consumption and standby mode make it suitable for various electronic devices, from home audio systems to automotive applications.

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