TDA2004 Pinout, Equivalent, Application, Datasheet

Before moving into the details, here is a brief look at the TDA2004 pinout, which helps understand how this stereo amplifier IC interfaces with speakers and external components.

tda2004 datasheet pinout equivalent specification application — TDA2004 Datasheet

Introduction

The TDA2004 is a high-performance stereo power amplifier IC designed for automotive and consumer audio systems. Known for its ruggedness and high output capability, it operates efficiently across an 18–28V supply range, making it ideal for car radios, dual-speaker systems, and portable audio setups. It delivers strong power output with low distortion, maintaining audio clarity even under high-load conditions.

Built with advanced protection circuitry, the TDA2004 withstands short circuits, voltage spikes, and thermal stress commonly found in automotive environments. This reliability makes it one of the most widely used amplifier ICs in classic and modern 2-channel audio systems.

tda2004 pinout datasheet equivalent specification pin configuration — TDA2004 IC

Pin Configuration / Pinout of TDA2004 Power Amplifier IC

Understanding the TDA2004 Pinout Configuration

The TDA2004 pinout includes two input pins for stereo channels, output pins for each channel, ground, supply voltage, and bootstrapping pins. The configuration is optimized for driving two speakers independently with stable output and minimal external components.

Pin#	Pin Name
1	NON-INV-INPUT 1
2	INV-INPUT 1
3	SVRR
4	INV-INPUT 2
5	NON-INV-INPUT 2
6	GND
7	BOOTSTRAP 2
8	OUTPUT 2
9	+Vs
10	OUTPUT 1
11	BOOTSTRAP 1

TDA2004 Pin Configuration Table

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

TDA2004 Key Features

Stereo amplifier configuration for dual-channel audio
High output power suitable for automotive audio systems
Low total harmonic distortion
Built-in short-circuit and thermal shutdown protection
Designed for high supply voltage environments
Stable operation even under heavy load
Minimal external components required

TDA2004 Specifications/Characteristics

Supply voltage range: 18V to 28V
Total power dissipation: 30W
Storage temperature range: 40°C to 150°C
Stereo (dual-channel) audio amplifier
Low distortion across audio bandwidth
Integrated protection against short circuits and overload
Thermal shutdown for safe operation

Key Applications of TDA2004 Power Amplifier IC

Car radios and automotive stereo systems
Home audio stereo amplifiers
Portable speaker systems
Multimedia audio devices
DIY stereo amplifier circuits
Dual-speaker audio projects

TDA2004 Equivalent ICs / Alternatives

(Verify pin compatibility before using substitutions)

TDA2005
TDA1554Q
TDA7377
TDA7297 (dual-bridge alternative)
TDA8560Q

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Working Principle of TDA2004

The TDA2004 works as a stereo audio amplifier with two independent internal power stages. Each channel amplifies low-level input audio signals and drives a separate speaker, ensuring clean and balanced stereo output. The IC uses class-AB amplifier technology, offering a balance between efficiency and low distortion.

Its internal protection circuitry allows it to handle load mismatches, speaker faults, and voltage fluctuations common in vehicle power systems. A bootstrap capacitor enhances output swing, improving overall sound performance.

Frequently Asked Questions (FAQ)

Q1: Can the TDA2004 drive two speakers directly?
Yes, it is designed for true stereo operation with two separate outputs.

Q2: Is TDA2004 suitable for car amplifiers?
Absolutely, it is widely used in automotive audio due to its high supply voltage tolerance.

Q3: Does it require many external components?
No, it requires minimal components for stable performance.

Q4: What is the advantage of stereo output?
Stereo allows two-channel sound for better audio imaging and clarity.

Conclusion

The TDA2004 stereo amplifier IC is a reliable, high-efficiency solution for car and home audio systems. Its strong output capability, robust protection features, and clean stereo performance make it ideal for 2-channel audio applications. Whether for commercial products or DIY builds, the TDA2004 offers dependable and high-quality amplification.

Datasheet of TDA2004 Power Amplifier IC

Click the following Button below to download the datasheet of TDA2004 :

Download Datasheet

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