TDA7365 - English Editing Encyclopedia Entry

Product Overview

Category

TDA7365 belongs to the category of integrated circuits (ICs) specifically designed for audio amplification.

Use

The TDA7365 is primarily used as a stereo audio amplifier in various electronic devices such as car audio systems, home theater systems, and portable speakers.

Characteristics

• The TDA7365 is a class AB amplifier with a high output power capability.
• It operates on a wide supply voltage range, typically from 8V to 18V.
• This IC offers low distortion and noise levels, ensuring high-quality audio output.
• It has built-in protection features like thermal shutdown and short-circuit protection.

Package and Essence

The TDA7365 is available in a multiwatt package, which provides good thermal dissipation properties. Its essence lies in its ability to amplify audio signals efficiently and deliver powerful sound output.

Packaging/Quantity

The TDA7365 is commonly packaged in tubes or reels, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 8V to 18V
• Output Power: Up to 40W per channel
• Total Harmonic Distortion: <0.2%
• Signal-to-Noise Ratio: >80dB
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TDA7365 has a total of 15 pins, each serving a specific function. Here is the detailed pin configuration:

1. Mute/Standby
2. Non-Inverting Input Channel 1
3. Inverting Input Channel 1
4. Ground
5. Output Channel 1
6. VCC (Positive Supply Voltage)
7. Bootstrap Capacitor Channel 1
8. Bootstrap Resistor Channel 1
9. Non-Inverting Input Channel 2
10. Inverting Input Channel 2
11. Output Channel 2
12. Bootstrap Capacitor Channel 2
13. Bootstrap Resistor Channel 2
14. VCC (Positive Supply Voltage)
15. Mute/Standby

Functional Features

• Dual-channel audio amplification
• High output power capability
• Low distortion and noise levels
• Thermal shutdown protection
• Short-circuit protection

Advantages and Disadvantages

Advantages

• Provides high-quality audio amplification
• Wide supply voltage range allows for versatile applications
• Built-in protection features ensure the safety of the IC and connected devices
• Suitable for various audio systems, including car audio and home theater systems

Disadvantages

• Requires external components for proper operation
• Limited output power compared to some other amplifier ICs in the market

Working Principles

The TDA7365 operates based on the class AB amplifier configuration. It amplifies the input audio signals by using a combination of NPN and PNP transistors. The input signals are amplified and then delivered to the respective output channels. The built-in protection features monitor the temperature and current levels to prevent damage to the IC and connected devices.

Detailed Application Field Plans

The TDA7365 finds extensive application in the following fields:

1. Car Audio Systems: Used to amplify audio signals from head units and deliver powerful sound output to speakers.
2. Home Theater Systems: Provides amplification for surround sound speakers, enhancing the overall audio experience.
3. Portable Speakers: Enables portable audio devices to produce louder and clearer sound.

Detailed and Complete Alternative Models

1. TDA7377: Similar to TDA7365, but with higher output power capability.
2. TDA7266: Offers lower output power but operates on a lower supply voltage range.
3. TDA7498: Provides higher output power and is suitable for high-end audio applications.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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