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TDA7265A
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TDA7265A

Product Overview

Category

TDA7265A 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 home theater systems.

Characteristics

  • TDA7265A is a dual bridge audio amplifier with a maximum output power of 25 watts per channel.
  • It operates on a wide supply voltage range of 8V to 26V, making it suitable for different applications.
  • The amplifier has low distortion and noise levels, ensuring high-quality audio output.
  • It features short-circuit and thermal protection mechanisms, enhancing its reliability and durability.

Package

TDA7265A is available in a multiwatt package, which provides efficient heat dissipation and easy mounting on printed circuit boards (PCBs).

Essence

The essence of TDA7265A lies in its ability to amplify audio signals with high fidelity and efficiency, delivering powerful and clear sound reproduction.

Packaging/Quantity

The TDA7265A is typically sold in reels or tubes containing a specific quantity of integrated circuits. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Supply Voltage Range: 8V to 26V
  • Output Power: 25W per channel
  • Total Harmonic Distortion: <0.5%
  • Signal-to-Noise Ratio: >80dB
  • Operating Temperature Range: -40°C to +150°C
  • Package Type: Multiwatt

Detailed Pin Configuration

The TDA7265A integrates multiple pins that serve different functions. Here is a detailed pin configuration:

  1. Mute/Standby: This pin controls the mute or standby mode of the amplifier.
  2. Non-Inverting Input (Channel A): Audio input pin for Channel A.
  3. Inverting Input (Channel A): Audio input pin for Channel A.
  4. Non-Inverting Input (Channel B): Audio input pin for Channel B.
  5. Inverting Input (Channel B): Audio input pin for Channel B.
  6. Output (Channel A): Amplified audio output pin for Channel A.
  7. VCC: Positive supply voltage pin.
  8. GND: Ground reference pin.
  9. Output (Channel B): Amplified audio output pin for Channel B.

Functional Features

  • Dual bridge configuration allows independent amplification of two audio channels.
  • Mute/standby mode for power-saving and convenience.
  • Short-circuit and thermal protection ensure safe operation.
  • Wide supply voltage range enables versatile applications.
  • Low distortion and noise levels provide high-quality audio reproduction.

Advantages and Disadvantages

Advantages

  • High output power capability for loud and clear audio.
  • Efficient heat dissipation due to the multiwatt package.
  • Reliable protection mechanisms enhance durability.
  • Versatile supply voltage range accommodates various systems.

Disadvantages

  • May require additional external components for optimal performance.
  • Limited output power compared to higher-end amplifiers.

Working Principles

TDA7265A operates as a class AB amplifier, combining the advantages of both class A and class B amplifiers. It utilizes a dual bridge configuration to amplify audio signals with low distortion and high efficiency. The input audio signals are amplified by separate channels and then combined to produce the final output. The amplifier also incorporates protection mechanisms to safeguard against short circuits and excessive heat.

Detailed Application Field Plans

The TDA7265A is widely used in various audio applications, including: 1. Home theater systems 2. Car audio systems 3. Portable speakers 4. Multimedia devices 5. Professional audio equipment

Detailed and Complete Alternative Models

  1. TDA7265: Similar to TDA7265A, but with a different pin configuration.
  2. TDA7266: Offers higher output power (30W per channel) compared to TDA7265A.
  3. TDA7267: Provides a single bridge configuration with lower output power (15W per channel).

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

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TDA7265A :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TDA7265A in technical solutions:

  1. Q: What is the TDA7265A? A: The TDA7265A is a dual bridge amplifier IC that can be used for audio amplification in various applications.

  2. Q: What is the maximum output power of the TDA7265A? A: The TDA7265A can deliver a maximum output power of 25 watts per channel.

  3. Q: Can the TDA7265A be used in stereo applications? A: Yes, the TDA7265A is designed for stereo applications and can drive two speakers independently.

  4. Q: What is the supply voltage range for the TDA7265A? A: The TDA7265A operates with a supply voltage range of 8V to 18V.

  5. Q: Is it possible to use the TDA7265A in a mono configuration? A: Yes, the TDA7265A can also be used in a mono configuration by bridging the two channels.

  6. Q: Can the TDA7265A handle low-impedance speakers? A: Yes, the TDA7265A is capable of driving speakers with an impedance as low as 4 ohms.

  7. Q: Does the TDA7265A require external components for operation? A: Yes, the TDA7265A requires a few external components such as capacitors and resistors for proper operation.

  8. Q: What is the typical efficiency of the TDA7265A? A: The typical efficiency of the TDA7265A is around 70%, which makes it suitable for many applications.

  9. Q: Can the TDA7265A be used in automotive audio systems? A: Yes, the TDA7265A can be used in automotive audio systems as long as the supply voltage is within the specified range.

  10. Q: Are there any thermal protection features in the TDA7265A? A: Yes, the TDA7265A includes built-in thermal protection to prevent overheating and ensure safe operation.

Please note that these answers are general and may vary depending on the specific application and circuit design.