TDA7265

Product Overview

Category

TDA7265 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

• TDA7265 is a dual bridge amplifier with a maximum output power of 25 watts per channel.
• It operates on a wide supply voltage range of 8V to 18V.
• The amplifier has a low distortion factor and high signal-to-noise ratio, ensuring high-quality audio output.
• It supports both single-ended and differential input configurations.
• TDA7265 incorporates thermal shutdown and short-circuit protection mechanisms to prevent damage to the device.

Package

The TDA7265 is available in a multiwatt15 package, which is a 15-lead, plastic power package. This package provides efficient heat dissipation and easy mounting on printed circuit boards (PCBs).

Essence

The essence of TDA7265 lies in its ability to deliver powerful and clear audio amplification while maintaining low distortion levels.

Packaging/Quantity

TDA7265 is typically sold in reels or tubes containing a specified quantity of integrated circuits. The exact quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 8V to 18V
• Output Power: 25W per channel
• Total Harmonic Distortion: <0.5%
• Signal-to-Noise Ratio: >80dB
• Input Impedance: 22kΩ
• Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

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

Functional Features

• Dual bridge amplifier configuration for stereo audio amplification.
• Wide supply voltage range allows compatibility with various power sources.
• Low distortion factor ensures high-fidelity audio reproduction.
• Thermal shutdown and short-circuit protection mechanisms safeguard the device from damage.

Advantages and Disadvantages

Advantages

• High output power capability for driving speakers effectively.
• Low distortion levels result in excellent audio quality.
• Versatile input configurations support different audio sources.
• Integrated thermal and short-circuit protection enhance reliability.

Disadvantages

• Requires external components for proper operation, such as capacitors and resistors.
• Limited output power compared to higher-end amplifiers.

Working Principles

TDA7265 operates on the principle of amplifying low-level audio signals using a dual bridge configuration. It takes the input audio signal and amplifies it to a level suitable for driving speakers. The amplifier's internal circuitry ensures minimal distortion and noise, resulting in clear and powerful audio output.

Detailed Application Field Plans

TDA7265 finds applications in various electronic devices, including: 1. Televisions 2. Radios 3. Home theater systems 4. Portable audio players 5. Car audio systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to TDA7265 are: 1. TDA7266 - Similar specifications with additional mute and standby functions. 2. TDA7267 - Lower output power but smaller package size. 3. TDA7269 - Higher output power and additional features like DC volume control.

In conclusion, TDA7265 is a versatile audio amplifier integrated circuit that offers high-quality amplification for various applications. Its low distortion, wide supply voltage range, and thermal protection make it a reliable choice for audio amplification needs.