TDA7266L

Product Overview

Category

TDA7266L belongs to the category of audio amplifier integrated circuits (ICs).

Use

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

Characteristics

• TDA7266L is a dual bridge amplifier IC.
• It operates on a wide range of supply voltages, typically between 6V and 18V.
• The 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 reproduction.
• TDA7266L incorporates short-circuit and thermal protection mechanisms to safeguard against potential damage.

Package

The TDA7266L IC is available in a compact and industry-standard package known as Multiwatt15. This package facilitates easy integration into various electronic circuits.

Essence

The essence of TDA7266L lies in its ability to provide efficient and reliable audio amplification, enhancing the overall audio experience in electronic devices.

Packaging/Quantity

TDA7266L is commonly sold in reels or tubes containing a specified quantity of ICs, typically ranging from 25 to 100 units per package.

Specifications

• Supply Voltage Range: 6V to 18V
• Output Power: Up to 7W per channel
• Total Harmonic Distortion: <0.5%
• Signal-to-Noise Ratio: >80dB
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

TDA7266L features a 15-pin configuration:

1. Mute
2. Input 1-
3. Input 1+
4. GND
5. Bootstrap
6. Output 1
7. Vcc
8. Output 2
9. Bootstrap
10. GND
11. Input 2+
12. Input 2-
13. Mute
14. Standby
15. Thermal Protection

Functional Features

• Dual bridge amplifier configuration for stereo audio output.
• Mute and standby modes for power management and convenience.
• Thermal protection mechanism to prevent overheating.
• Bootstrap capacitor connection for improved efficiency.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows flexibility in various applications.
• High output power capability enables driving low impedance speakers.
• Low distortion and noise levels ensure high-quality audio reproduction.
• Incorporates protection mechanisms for enhanced reliability.

Disadvantages

• Limited output power compared to higher wattage amplifiers.
• Requires external components for proper operation.
• May require additional heat sinking for prolonged usage at high power levels.

Working Principles

TDA7266L operates on the principle of amplifying weak audio signals received at its inputs and delivering amplified signals to the connected speakers. It utilizes a dual bridge amplifier configuration, which allows for stereo audio output. The IC's internal circuitry ensures efficient amplification while maintaining low distortion and noise levels. Additionally, built-in protection mechanisms safeguard against short circuits and thermal overload.

Detailed Application Field Plans

TDA7266L finds application in various electronic devices where audio amplification is required. Some common application fields include:

1. Televisions and home theater systems
2. Radios and audio receivers
3. Portable speakers and boomboxes
4. Car audio systems
5. Computer sound cards and multimedia speakers

Detailed and Complete Alternative Models

1. TDA7266 - Similar to TDA7266L but with a different pin configuration.
2. TDA7267 - Higher power version of TDA7266L, capable of delivering up to 15W per channel.
3. TDA7269 - Dual bridge amplifier IC with additional features like volume control and tone adjustment.

These alternative models offer similar functionality to TDA7266L but may have different specifications or pin configurations, allowing for flexibility in design choices.

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