TDA7265 Pinout, Equivalent, Application, Datasheet

This article provides a complete guide to the TDA7265 stereo amplifier IC, covering its introduction, pinout explanation, working principle, specifications, applications, and compatible alternatives. The TDA7265 pinout is discussed in detail to help you design accurate and stable stereo amplifier circuits. Additionally, FAQs and a final conclusion ensure that you understand every important aspect of this hi-fi amplifier IC.

Introduction

The TDA7265 is a high-performance 25W + 25W Class-AB stereo audio amplifier IC widely used in hi-fi sound systems, multimedia speakers, home audio units, and DIY amplifier projects. It is capable of delivering powerful sound output with low distortion and excellent sound clarity, especially when paired with 8Ω speakers.

Designed for maximum reliability, the TDA7265 includes thermal shutdown, short-circuit protection, and overload protection, making it suitable for both consumer and professional audio equipment. With minimal external components and a simple design approach, the IC is ideal for compact amplifier boards and PCB-based stereo audio projects.

Pin Configuration / Pinout of TDA7265 Power Amplifier IC

Understanding the TDA7265 Pinout Configuration

The TDA7265 pinout includes audio input pins, dual outputs, mute/standby controls, bootstrap pins, and power connections. Understanding these pins ensures stable amplifier operation and proper circuit design.

These pins work together to ensure clean amplification, efficient power delivery, and stable stereo sound output.

Note: DATASHEET DOWNLOAD button is provided end of this article.

TDA7265 Key Features

• Provides high-quality stereo audio output
• Clean sound reproduction with low distortion
• Operates efficiently with standard speaker loads
• Includes built-in protection circuitry
• Requires minimal external components
• Features mute and standby control for flexible operation
• Suitable for compact amplifier circuit designs
• Supports stable Class-AB amplification performance

TDA7265 Specifications/Characteristics

• Stereo audio amplifier IC with Class-AB architecture
• Output power rating: 25W + 25W with 8Ω speakers
• Supply voltage: up to ±25V absolute maximum
• Typical operating supply: +20V
• Load impedance: 8Ω
• Total power dissipation: 30W
• Operating temperature range: –40°C to +150°C
• Storage temperature: –40°C to +150°C
• THD performance optimized for high-fidelity sound
• Built-in short-circuit and thermal shutdown protection
• Low noise and low harmonic distortion
• High supply voltage rejection capability
• Designed for minimal external component count

Key Applications of TDA7265 Power Amplifier IC

• Home stereo audio amplifiers
• Multimedia speaker systems
• TV and home entertainment audio
• DIY audio amplifier boards
• Mini hi-fi systems
• Educational and electronics training circuits
• Active speaker units
• General-purpose stereo audio projects

TDA7265 Equivalent ICs / Alternatives

(Verify pin compatibility before using substitutions)

• TDA7264 – 25W × 2 stereo amplifier
• TDA7269A – 20W × 2 stereo amplifier
• TDA7296 – DMOS audio amplifier IC
• TDA7377 – Dual/quad audio amplifier
• LA4440 – Dual 20W audio amplifier

More Circuit Layouts

Working Principle of TDA7265

The TDA7265 operates on a Class-AB amplifier principle, providing a balance between efficiency and audio fidelity. The input audio signals are processed through the internal low-noise preamplification stage, then delivered to the output drivers that generate powerful stereo output.

Bootstrap pins help extend the output voltage swing, ensuring the amplifier can deliver strong, clear audio signals without clipping. Protection circuits constantly monitor the amplifier’s temperature and load conditions to prevent damage from short circuits, overheating, or overloads.

Mute and standby pins allow controlled startup and noise-free switching, ensuring smooth operation in high-quality audio systems.

Frequently Asked Questions (FAQ)

Q1: What is the output power of the TDA7265?
It delivers 25W + 25W stereo output with 8Ω speakers.

Q2: What is the maximum supply voltage?
It can handle ±25V absolute maximum.

Q3: What package does TDA7265 use?
It is available in a Multiwatt package.

Q4: Does it have built-in protection?
Yes, it includes thermal shutdown, overload, and short-circuit protection.

Q5: Can it be used for hi-fi audio projects?
Absolutely—its Class-AB design and low distortion make it ideal for high-fidelity sound systems.

Q6: Is the TDA7265 suitable for 4Ω speakers?
It is optimized for 8Ω speakers, and using 4Ω loads may result in overheating unless carefully managed.

Conclusion

The TDA7265 is a powerful and reliable 25+25W Class-AB stereo amplifier IC, ideal for home audio, multimedia, and hi-fi stereo systems. With a simple TDA7265 pinout, strong protection features, and clean sound performance, it is a solid choice for both DIY audio builders and professional electronics designers. Its efficiency, reliability, and high-quality output make it a preferred component for stereo amplifier applications.

Datasheet of TDA7265 Power Amplifier IC

Click the following Button below to download the datasheet of TDA7265 :

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