TDA2030A Audio Amplifier

TDA2030A Audio Amplifier IC – 18W Class AB Mono Power Amplifier

Low Distortion | High Output | Thermal & Short-Circuit Protected

The TDA2030A is a monolithic integrated circuit in a Pentawatt package, intended for use as a low-frequency class AB audio amplifier. It delivers high-quality audio output up to 18W with low harmonic and crossover distortion, making it a popular choice for home audio systems, active speakers, subwoofer projects, and DIY amplifiers.

Designed for excellent thermal stability and internal short-circuit protection, the TDA2030A offers both reliability and performance in compact, cost-effective designs.

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Key Features:

🎵 Excellent Audio Performance

• Low total harmonic distortion (THD < 0.1%)

• Clean and crisp sound output ideal for music and speech applications

⚡ Power Output:

• Up to 18W with ±18V dual supply

• Up to 12W with single supply (e.g. 18V)

• Can be used in bridge configuration for higher power (~35W)

🌡️ Built-in Protection Features

• Short-circuit protection

• Thermal shutdown to prevent overheating

• Safe operating area (SOA) protection

🔌 Flexible Supply Options

• Operates with single or split power supplies (±6V to ±18V)

• Ideal for battery- or adapter-powered systems

🧩 Easy to Integrate

• 5-pin Pentawatt package

• Can be used with minimal external components

• Compatible with standard heat sinks for cooling

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Technical Specifications:

• Model: TDA2030A

• Package: Pentawatt-5 (through-hole)

• Power Output:

  • 14W @ ±14V, 4Ω

  • 18W @ ±18V, 4Ω

  • 12W @ 18V single supply

• THD: < 0.1%

• Frequency Response: 20Hz–20kHz

• Supply Voltage: ±6V to ±18V or single 9V–36V

• Quiescent Current: ~40mA

• Output Type: Mono (single channel)

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Applications:

• Audio amplifier modules

• DIY stereo speaker systems

• Active subwoofers and speaker boxes

• Car audio systems

• Intercoms and public address systems

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Why Choose the TDA2030A?

The TDA2030A is a proven and reliable solution for anyone looking to build or repair medium-power audio amplifiers. With low distortion, high output power, and integrated protection, it is ideal for both hobbyists and professionals working on custom audio electronics.