TDA7268

Product Overview

Category

TDA7268 belongs to the category of audio amplifier integrated circuits.

Use

It is primarily used for amplifying audio signals in various electronic devices such as televisions, radios, and sound systems.

Characteristics

• TDA7268 is a dual bridge audio amplifier IC.
• It operates on a wide range of power supply voltages, typically between 6V and 18V.
• This IC has a high output power capability, making it suitable for driving speakers with low impedance.
• It offers low distortion and noise levels, ensuring high-quality audio output.
• TDA7268 incorporates short-circuit and thermal protection mechanisms to safeguard against potential damage.

Package

The TDA7268 IC is available in a compact and industry-standard package, such as a 15-pin DIP (Dual Inline Package) or a surface-mount SO-15 package.

Essence

The essence of TDA7268 lies in its ability to amplify audio signals efficiently while maintaining excellent audio quality.

Packaging/Quantity

TDA7268 is commonly sold in reels or tubes containing multiple ICs. The exact quantity may vary depending on the manufacturer's packaging specifications.

Specifications

• Supply Voltage: 6V - 18V
• Output Power: Up to 25W per channel
• Total Harmonic Distortion: <0.5%
• Signal-to-Noise Ratio: >80dB
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TDA7268 IC features a total of 15 pins, each serving a specific function. Here is a detailed pin configuration:

1. Mute/Standby
2. Input 1 Non-Inverting (+)
3. Input 1 Inverting (-)
4. Ground
5. Output 1
6. VCC (Positive Power Supply)
7. Output 2
8. Input 2 Inverting (-)
9. Input 2 Non-Inverting (+)
10. Bootstrap
11. Thermal Pad (Ground)
12. Thermal Pad (Ground)
13. VCC (Positive Power Supply)
14. Ground
15. Mute/Standby

Functional Features

• Dual bridge configuration allows for stereo output or bridged mono operation.
• Built-in mute and standby modes for power-saving and convenience.
• Short-circuit and thermal protection ensure the safety of the IC and connected components.
• Wide supply voltage range enables compatibility with various audio systems.

Advantages and Disadvantages

Advantages

• High output power capability
• Low distortion and noise levels
• Compact package size
• Built-in protection mechanisms

Disadvantages

• Requires external components for a complete audio amplifier circuit
• Limited availability in certain markets

Working Principles

TDA7268 operates as a class AB audio amplifier, utilizing a dual bridge configuration. It amplifies the input audio signals by driving the connected speakers with sufficient power. The IC incorporates internal circuitry to minimize distortion and noise, resulting in high-fidelity audio reproduction.

Detailed Application Field Plans

TDA7268 finds applications in various electronic devices and systems, including: - Home theater systems - Car audio systems - Portable speakers - Multimedia devices - Public address systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to TDA7268 are: - TDA7269: Similar specifications and pin configuration, but with higher output power capability. - LM386: A popular audio amplifier IC with lower power output but simpler circuit requirements. - TDA2030: Offers higher output power and wider supply voltage range compared to TDA7268.

These alternative models provide flexibility in choosing the most suitable audio amplifier IC based on specific requirements and constraints.

Word count: 536 words