TDA7293 Pinout, Equivalent, Application, Datasheet

Before beginning the detailed discussion, it is important to understand the TDA7293 pinout, which identifies the input pins, output stage pins, bootstrap pins, mute/standby controls, supply rails, and grounding terminals. Knowing the pinout helps ensure proper amplifier design and stable operation. The TDA7293 is a high-power DMOS Class-AB amplifier IC designed for professional and hi-fi audio systems, known for its superior sound quality, high current capability, and modular design that allows parallel connection for even higher power output.

Introduction

The TDA7293 is a powerful Class-AB DMOS audio amplifier IC designed to deliver extremely low distortion, wide bandwidth, and clean sound reproduction. It is widely used in high-end home audio systems, studio amplifiers, and demanding audio equipment. With a high supply voltage range and modular “stackable” architecture, the TDA7293 stands out as one of the most flexible and powerful ICs in the TDA72xx family.

Pin Configuration / Pinout of TDA7293 Power Amplifier IC

Understanding the TDA7293 Pinout Configuration

The TDA7293 pinout includes signal input pins, bootstrap pins, output pins, ±Vs supply pins, mute/standby control pins, protection pins, and ground terminals. This configuration enables precise control over the audio signal, stable operation at high power, and safe integration with external circuitry. Proper pinout understanding is essential for implementing parallel mode, bridge mode, or standard single-output configurations.

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

TDA7293 Key Features

• High-power DMOS Class-AB output stage
• Extremely low harmonic distortion
• Wide supply voltage range
• High output current capability
• Parallel/stackable operation for higher power
• Thermal shutdown and short-circuit protection
• Mute and standby control circuitry
• High-fidelity audio reproduction

TDA7293 Specifications/Characteristics

• Supply voltage (Vs): ±12V to ±50V
• Total power dissipation (Ptot): 100W
• Storage temperature range (Tstg): 150°C

Key Applications of TDA7293 Power Amplifier IC

• High-power hi-fi audio amplifiers
• Professional stage audio systems
• Studio reference amplifiers
• Home theater systems
• Subwoofer amplifiers
• Parallel/stacked power amplifier designs
• High-quality DIY audio projects

TDA7293 Equivalent ICs / Alternatives

(Verify pin compatibility before using substitutions)

• TDA7294
• TDA7295
• TDA7296 (lower power)
• LM3886
• TDA7850 (car audio alternative)

More Circuit Layouts

Working Principle of TDA7293

The TDA7293 operates using a DMOS power output stage optimized for high efficiency and low noise. Its Class-AB design ensures smooth crossover response and detailed audio reproduction. The IC features advanced current limiting, thermal protection, and safe-operating-area control for enhanced durability. Unique to the TDA7293 is its capability for parallel operation, where multiple ICs can be connected together to deliver higher output power while sharing the load.

Frequently Asked Questions (FAQ)

Q1: What is the maximum supply voltage for TDA7293?
It supports up to ±50V for high-power operation.

Q2: Can the TDA7293 be used in parallel mode?
Yes, it supports stackable/parallel configuration to increase power output.

Q3: Does it require a heat sink?
Absolutely—high-power operation requires a large heat sink.

Q4: Is it suitable for subwoofers?
Yes, it delivers clean, powerful low-frequency performance.

Conclusion

The TDA7293 DMOS audio amplifier IC is a high-performance solution for demanding audio applications requiring excellent sound quality and high output power. With its wide voltage range, stackable design, and robust protection features, the TDA7293 is ideal for hi-fi audio, professional amplifiers, and custom high-power amplifier builds. It remains a top choice among audio engineers and DIY audio enthusiasts seeking reliability and superior sound clarity.

Datasheet of TDA7293 Power Amplifier IC

Click the following Button below to download the datasheet of TDA7293 :

More projects, You may like:

• Video Transmitter DIY Homemade FM Radio Transmitter
• Adjustable Power Supply DIY Battery Charger
• 12V-220V 500 Watt inverter DIY Homemade
• MPPT Solar Charge Controller DIY Homemade
• DIY LA4440 bass amplifier homemade

For more project and circuit diagrams, you can go through the Schematics in the main menu where you can find many interesting projects and circuit diagrams like audio amplifier circuits, voltage booster circuit, battery charger circuit and timer circuits etc., which are all beginner circuit projects. Feel free to check them out!

Thank you for visiting the article.