TDA7263 - English Editing Encyclopedia Entry

Introduction

The TDA7263 is an integrated audio amplifier circuit that belongs to the category of audio amplifiers. It is widely used in various audio applications due to its excellent performance and versatility. This encyclopedia entry provides a comprehensive overview of the TDA7263, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Audio Amplifier
• Use: The TDA7263 is primarily used for amplifying audio signals in electronic devices such as televisions, radios, portable speakers, and car audio systems.
• Characteristics:
  • High-quality audio amplification with low distortion and noise.
  • Wide frequency response range for accurate reproduction of audio signals.
  • Built-in protection circuits for safeguarding against short circuits and thermal overload.
• Package: The TDA7263 is available in a compact and industry-standard package, making it easy to integrate into various electronic devices.
• Essence: The TDA7263 is designed to provide efficient and reliable audio amplification, enhancing the overall sound quality of electronic devices.
• Packaging/Quantity: The TDA7263 is typically sold in reels or tubes containing multiple units, depending on the manufacturer's packaging specifications.

Specifications

• Power Supply Voltage Range: 6V to 18V
• Output Power: Up to 25W per channel (stereo mode)
• Total Harmonic Distortion: <0.5%
• Signal-to-Noise Ratio: >80dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TDA7263 has a total of 15 pins, each serving a specific function. The following table provides a detailed pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | MUTE | Mute Control Input | | 2 | IN1 | Audio Input Channel 1 | | 3 | IN2 | Audio Input Channel 2 | | 4 | GND | Ground | | 5 | VCC | Power Supply Voltage | | 6 | OUT1 | Audio Output Channel 1 | | 7 | OUT2 | Audio Output Channel 2 | | 8 | BYPASS | Bypass Capacitor Connection | | 9-12 | NC | Not Connected | | 13 | S-GND | Signal Ground | | 14 | ST-BY | Standby Control Input | | 15 | MUTE | Mute Control Output |

Functional Features

• Dual-channel audio amplification for stereo sound reproduction.
• Built-in mute and standby control functions for power management.
• Short-circuit and thermal overload protection for enhanced reliability.
• Low external component count, simplifying circuit design and reducing costs.
• Wide supply voltage range allows compatibility with various power sources.

Advantages and Disadvantages

Advantages: - High-quality audio amplification with low distortion and noise. - Compact package size for easy integration into electronic devices. - Built-in protection circuits ensure the safety of the amplifier and connected components. - Versatile application possibilities due to its wide supply voltage range.

Disadvantages: - Limited output power compared to higher wattage amplifiers. - May require additional heat sinking for prolonged high-power operation.

Working Principles

The TDA7263 operates as a class AB dual-channel audio amplifier. It utilizes a combination of preamplifier, driver, and output stages to amplify the input audio signals. The internal circuitry ensures accurate reproduction of the audio signals while minimizing distortion and noise. The built-in protection circuits monitor the amplifier's operation and provide safeguards against short circuits and thermal overload.

Detailed Application Field Plans

The TDA7263 finds extensive application in various electronic devices, including: - Televisions and home theater systems - Radios and audio receivers - Portable speakers and boomboxes - Car audio systems

Detailed and Complete Alternative Models

• TDA7265: Similar to TDA7263 but with higher output power capability.
• TDA7297: Dual-channel audio amplifier with higher output power and additional features.
• LM386: Low-power audio amplifier suitable for battery-operated devices.

In conclusion, the TDA7263 is a versatile audio amplifier circuit widely used in electronic devices for high-quality audio amplification. Its compact size, excellent performance, and built-in protection features make it an ideal choice for various applications.