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5 Best Audio Amplifier IC in the Market 2023

Published Published: Jul 24, 2023     
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Selecting the best audio amplifier IC is crucial for achieving high-quality audio performance in electronic projects, ranging from audio amplifiers and home theater systems to portable audio devices. An audio amplifier IC is a specialized integrated circuit designed to amplify weak audio signals and deliver them to speakers or headphones with improved power and fidelity. With a plethora of options available in the market, finding the right audio amplifier IC can be overwhelming.


 

In this article, we will explore some of the best audio amplifier ICs renowned for their exceptional performance, reliability, and versatility. Whether you are an audio enthusiast, a DIY hobbyist, or a professional audio designer, this guide will help you make an informed decision when choosing the perfect audio amplifier IC for your specific audio application.


What is Audio Amplifier IC


An audio amplifier IC (Integrated Circuit) is a type of integrated circuit specifically designed to amplify audio signals. It takes a small input audio signal and increases its power, allowing it to drive speakers or headphones to produce audible sound. These ICs are commonly used in various audio devices, such as stereo systems, home theaters, portable speakers, smartphones, and many other applications where audio amplification is required.


Is There Any Best Audio Amplifier IC


The "best" audio amplifier IC depends on the specific requirements and application you have in mind. Different amplifier ICs excel in different aspects, such as power output, audio quality, efficiency, and cost.


To choose the most suitable audio amplifier ic, here are some factors to be considered,


  • Application: Identify the intended application (e.g., audio system, car audio, headphones).
  • Power Output: Determine the required output power level.
  • Audio Quality: Consider the desired audio fidelity and distortion levels.
  • Power Efficiency: Evaluate the efficiency of the amplifier IC, especially for portable devices.
  • Voltage Range: Ensure the IC supports the required power supply voltage range.
  • IC Class: Choose from Class AB, Class D, Class T, or other classes based on needs.
  • Package: Select the appropriate chip package for your PCB design and space constraints.
  • Availability & Cost: Verify the IC's availability in the market and its cost within your budget.
  • Datasheet Analysis: Review the datasheet for specifications such as max power output, THD, etc.
  • User Reviews: Check user reviews and experiences with the IC's performance and reliability.
  • Reference Designs: Refer to application notes or reference designs provided by the manufacturer.

 

5 Best Audio Amplifier IC for Recommend


NO1. TDA1521 

The TDA1521 is an audio amplifier IC manufactured by NXP Semiconductors (formerly Philips Semiconductors). It is a dual BTL (Bridge-Tied Load) audio amplifier with two amplification channels. The TDA1521 is specifically designed for use in car audio systems, providing a high-quality audio output for automotive applications.


1) TDA1521 Features


  • Dual BTL Configuration: The TDA1521 is designed to operate in a Bridge-Tied Load configuration, which allows it to deliver higher power output to the connected speakers without the need for output coupling capacitors.
  • High Output Power: The IC can deliver a substantial output power, making it suitable for driving car speakers and delivering loud and clear audio.
  • Wide Supply Voltage Range: The TDA1521 can operate over a wide supply voltage range, allowing it to work with various power supply configurations in automotive applications.
  • Low Distortion: The IC is designed to provide low distortion audio amplification, contributing to better audio quality and fidelity.
  • Built-in Protection Circuits: The TDA1521 features built-in protection circuits such as thermal shutdown and overvoltage protection, ensuring the safety and reliability of the amplifier.
  • 9-Lead SIL Package: The IC is available in a 9-lead Single In-line (SIL) package, making it easy to integrate into various PCB designs.

 

2) TDA1521 Circuit


TDA1521 Circuit

 

3) Pros and Cons of TDA1521


Pros

Cons

1. Bridge-Tied Load (BTL) Configuration

1. Limited Output Power (Typically 2 x 22W)

2. Suitable for Car Audio Systems

2. Single BTL Bridge

3. Low Distortion and Noise

3. Application-Specific (Car Audio)

4. Wide Supply Voltage Range

4. Availability (Subject to Market Variations)

5. Built-in Protection Circuits


6. Cost-Effective


7. Multiwatt15 Package



NO.2 TDA7293

The TDA7293 is a popular audio amplifier IC manufactured by STMicroelectronics. It is a monolithic integrated circuit capable of delivering high-quality audio amplification with low distortion and noise. The TDA7293 is commonly used in various audio applications, such as hi-fi stereo systems, home theaters, and powered speakers.


1) TDA7293 Features

  • Operating Supply Voltage Range: ±10V to ±50V
  • Output Power: Up to 100 Watts
  • Output Load Impedance: 4 ohms to 8 ohms
  • Total Harmonic Distortion (THD): Typically 0.05% at 20 Watts, 1 kHz
  • Signal-to-Noise Ratio (SNR): Typically 100 dB (A-weighted)
  • Quiescent Current: Typically 60 mA
  • Efficiency: Typically 90%
  • Gain: Fixed at 50 dB
  • Mute Function: Yes
  • Thermal Protection: Yes
  • Overcurrent Protection: Yes
  • Short-Circuit Protection: Yes
  • Multiwatt15 Package

2) TDA7293 Circuit


 TDA7293 Circuit

3) TDA7293 Pros and Cons


Pros

Cons

1. Bridge-Tied Load (BTL) Configuration

1. Limited Output Power (2 x 22W)

2. Automotive Audio Application

2. Single BTL Bridge

3. Low Distortion and Noise

3. Application-Specific (Car Audio)

4. Wide Supply Voltage Range

4. Availability (Subject to Market Variations)

5. Built-in Protection Circuits


6. Suitable for Car Audio Systems



NO3. TDA7294

The TDA7294 is a widely used audio amplifier IC manufactured by STMicroelectronics. It is a monolithic integrated circuit capable of delivering high-quality audio amplification with low distortion and noise. The TDA7294 is commonly used in various audio applications, such as stereo systems, home theaters, and subwoofer amplifiers.


1) Features of TDA7294


  • Very High Operating Voltage Range: The TDA7294 can handle a wide operating voltage range of ±40V, providing flexibility in power supply configurations.
  • High Output Power: The IC is capable of delivering high output power, up to 100W (music power), making it suitable for driving medium to large-sized speakers and subwoofers in audio systems.
  • Muting/Stand-By Functions: It includes muting and stand-by functions, allowing for convenient user control over the amplifier's operation and power consumption.
  • No Switch On/Off Noise: The IC is designed to eliminate switch on/off noise, providing smooth and noise-free audio performance.
  • No Boucherot Cells: It does not require Boucherot cells, simplifying the amplifier's design and reducing external component count.
  • Very Low Distortion: The IC provides very low distortion audio amplification, ensuring high-quality audio output with minimal signal degradation.
  • Very Low Noise: It is engineered to have very low noise, contributing to clear and noise-free audio reproduction.
  • Short Circuit Protection: The IC includes built-in short-circuit protection, safeguarding the IC and connected speakers from damage in case of output short-circuits.
  • Thermal Shutdown: It features thermal shutdown protection, preventing the IC from overheating under extreme operating conditions.

2) TDA7294 Circuit


TDA7294 Circuit


3) TDA7294 Pros and Cons

Pros

Cons

1. Very High Operating Voltage Range (±40V)

1. Limited Output Power (Up to 100W Music Power)

2. High Output Power

2. Requires External Heatsink for High Power Operation

3. Muting/Stand-By Functions

3. Single Channel Operation (Mono Amplifier)

4. No Switch On/Off Noise

4. Application-Specific (Not Suitable for Stereo)

5. No Boucherot Cells


6. Very Low Distortion


7. Very Low Noise


8. Short Circuit Protection


9. Thermal Shutdown



NO4. LM1875

The LM1875 is a popular audio amplifier IC manufactured by Texas Instruments (TI). It is a monolithic integrated circuit designed for high-fidelity audio amplification with low distortion and noise. The LM1875 is commonly used in various audio applications, including stereo systems, home theaters, and powered speakers.

LM1875 circuit

NO5. LM386

The LM386 is a widely used audio amplifier IC manufactured by various semiconductor companies, including Texas Instruments (TI), ON Semiconductor, and others. It is a low-voltage audio power amplifier designed for low-power audio amplification in various portable and battery-operated devices.


LM386

 

Best Audio Amplifier IC Companies 2023 (NEW!)


The best audio amplifier ic companies includes,


💎Texas Instruments (TI): TI is a major player in the semiconductor industry, known for its high-quality audio amplifier ICs used in a wide range of applications.


💎STMicroelectronics: STMicroelectronics offers a comprehensive portfolio of audio amplifier ICs, catering to both consumer and professional audio markets.


💎Analog Devices (ADI): ADI is a reputable company that specializes in high-performance analog and mixed-signal ICs, including audio amplifiers.


💎NXP Semiconductors: NXP is well-regarded for its automotive audio amplifier ICs and other audio solutions.


💎ON Semiconductor: ON Semiconductor provides a variety of audio amplifier ICs for different applications, including portable devices and automotive systems.


💎Maxim Integrated: Maxim is known for its innovative audio amplifier ICs, offering high efficiency and advanced features.


Company

Representative IC

Key Features

Texas Instruments (TI)

TPA3116D2

High efficiency Class D amplifier, wide voltage range, low distortion.

STMicroelectronics

TDA7294

High-power Class AB amplifier, low distortion, thermal protection.

Analog Devices (ADI)

AD823

Precision audio op-amp, low noise, high bandwidth.

NXP Semiconductors

TDF8599C

Automotive Class D amplifier, high efficiency, thermal performance.

ON Semiconductor

NCP2820

Low-power Class AB/D amplifier, integrated boost converter, small footprint.

Maxim Integrated

MAX9704

Mono Class D amplifier, small package, high efficiency.


Further Reading: 12V Amplifier IC List 2023 (FAQs)>>


Conclusion


In conclusion, selecting the best audio amplifier IC is essential for achieving optimal audio performance in electronic projects. Each audio amplifier IC mentioned in this article offers unique features and advantages suitable for various applications, from portable devices to high-fidelity audio systems. When choosing an audio amplifier IC, consider factors such as output power, efficiency, distortion levels, and compatibility with your specific audio application.


Stay updated with the latest advancements in audio amplifier technology, explore datasheets and technical documentation, and make informed choices when incorporating the best audio amplifier IC into your projects. Embrace the enhanced audio experience offered by these amplifier ICs and unlock new possibilities in audio design and sound reproduction. Whether you are amplifying music, enhancing audio in multimedia systems, or working on other audio-related projects, the best audio amplifier IC will be your key to achieving outstanding audio performance.

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12V Amplifier IC List 2023 (FAQs)

Update Time Update Time: Jul 26, 2023      Consumer Electronics

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  • Can Audio Amplifier ICs be used in bridged configurations?
  • Yes, some Audio Amplifier ICs can be used in bridged configurations. In a bridged setup, two amplifier channels are used together to drive a single speaker or load. This configuration can effectively double the output power, providing higher power capabilities for certain applications.
  • Can Audio Amplifier ICs be used with active or passive speakers?
  • Audio Amplifier ICs can be used with both active and passive speakers. Active speakers have built-in amplifiers, and the Audio Amplifier IC is not required. Passive speakers, on the other hand, require an external amplifier like the Audio Amplifier IC to power them.
  • Can Audio Amplifier ICs be used in mono and stereo configurations?
  • Yes, Audio Amplifier ICs can be used in both mono and stereo configurations. In mono setups, a single amplifier IC is used to drive a single speaker or load, while in stereo setups, two amplifier ICs are used to drive left and right speakers independently.
  • How does an Audio Amplifier IC work?
  • Audio Amplifier ICs work by taking a low-power audio input signal and using internal transistors to boost the signal's voltage and current levels. The amplified audio signal is then delivered to the output, which is connected to the speaker or headphone.