TDA7266M

Product Overview

Category

TDA7266M belongs to the category of integrated audio amplifier circuits.

Use

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

Characteristics

• TDA7266M is a monolithic dual bridge amplifier with high output power capability.
• It operates on a wide range of supply voltages, making it suitable for different applications.
• The amplifier circuit is designed to provide excellent audio quality with low distortion and noise.
• It offers built-in thermal protection and short-circuit protection features, ensuring safe operation.

Package

TDA7266M is available in a compact and industry-standard Multiwatt15 package.

Essence

The essence of TDA7266M lies in its ability to deliver high-quality audio amplification while maintaining a small form factor.

Packaging/Quantity

The TDA7266M is typically packaged in reels containing a quantity of 250 units.

Specifications

• Supply Voltage Range: 8V to 18V
• Output Power: 7W per channel (at 10% THD)
• Total Harmonic Distortion: 0.2% (at 1W, 1kHz)
• Signal-to-Noise Ratio: 80dB (A-weighted)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TDA7266M has a total of 15 pins, which are assigned specific functions. Here is the detailed pin configuration:

1. Mute/Standby
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/Standby
14. Thermal Pad
15. GND

Functional Features

• Dual bridge amplifier configuration for stereo output.
• Built-in mute/standby function for power-saving and audio muting.
• Bootstrap capacitor for improved efficiency and reduced distortion.
• Thermal protection to prevent overheating.
• Short-circuit protection to safeguard the amplifier and connected devices.

Advantages and Disadvantages

Advantages

• High output power capability.
• Wide supply voltage range allows flexibility in various applications.
• Compact package size for space-constrained designs.
• Excellent audio quality with low distortion and noise.
• Built-in protection features ensure safe operation.

Disadvantages

• Limited output power compared to higher wattage amplifiers.
• May require additional external components for specific applications.

Working Principles

The TDA7266M operates on the principle of amplifying audio signals using a dual bridge amplifier configuration. It takes input audio signals, amplifies them, and delivers the amplified signals to the connected speakers. The built-in thermal and short-circuit protection mechanisms ensure the safe operation of the amplifier circuit.

Detailed Application Field Plans

The TDA7266M finds applications in various electronic devices where audio amplification is required. Some of the detailed application field plans include:

1. Televisions: Enhancing the audio output of televisions for an immersive viewing experience.
2. Radios: Amplifying radio signals for better sound quality.
3. Multimedia Systems: Powering speakers in multimedia systems for high-quality audio playback.
4. Portable Audio Devices: Providing amplification for portable audio devices such as MP3 players and smartphones.

Detailed and Complete Alternative Models

1. TDA7266SA: Similar to TDA7266M but with a different pin configuration.
2. TDA7267: Higher output power version of TDA7266M.
3. TDA7269: Dual bridge amplifier with additional features like volume control.

These alternative models offer similar functionality and can be considered as alternatives to the TDA7266M based on specific requirements.

In conclusion, the TDA7266M is a versatile integrated audio amplifier circuit that provides high-quality audio amplification in various electronic devices. Its compact size, wide supply voltage range, and built-in protection features make it suitable for a range of applications.