TPA6139A2PWR: The Powerhouse Audio Amplifier

The TPA6139A2PWR: A 1-Chip, 200W Stereo Audio Power Amplifier

The TPA6139A2PWR is a high-performance, 1-chip, 200W stereo audio power amplifier from Texas Instruments. It is designed to provide high-quality audio reproduction with low distortion and noise. The TPA6139A2PWR is ideal for a wide range of audio applications, including home audio, professional audio, and automotive audio.

Key Features of the TPA6139A2PWR

• High-power output: 200W per channel into 4 ohms
• Low distortion: 0.005% THD+N at 1 kHz
• Low noise: -106 dBV A-weighted
• High efficiency: 90% at 1 kHz
• Wide frequency response: 20 Hz to 20 kHz
• Short-circuit protection: Protects the amplifier from damage in the event of a short circuit
• Thermal protection: Protects the amplifier from damage in the event of overheating

Benefits of the TPA6139A2PWR

• Exceptional audio quality: The TPA6139A2PWR delivers high-quality audio reproduction with low distortion and noise. This makes it ideal for a wide range of audio applications, where sound quality is paramount.
• High power output: The TPA6139A2PWR can deliver 200W per channel into 4 ohms. This makes it ideal for driving demanding speakers, such as those used in home audio and professional audio systems.
• Low power consumption: The TPA6139A2PWR is highly efficient, consuming only 90% of the power at 1 kHz. This makes it an ideal choice for battery-powered applications, such as portable speakers and automotive audio systems.
• Compact size: The TPA6139A2PWR is packaged in a small, 5mm x 5mm footprint. This makes it easy to integrate into a wide range of audio products.

Applications of the TPA6139A2PWR

The TPA6139A2PWR is ideal for a wide range of audio applications, including:

• Home audio: The TPA6139A2PWR is a great choice for powering high-quality home audio systems. It can provide the power and clarity needed to drive demanding speakers, resulting in a truly immersive listening experience.
• Professional audio: The TPA6139A2PWR is also ideal for powering professional audio systems. It can provide the power and clarity needed to drive large speakers, making it a great choice for sound reinforcement, live sound, and recording applications.
• Automotive audio: The TPA6139A2PWR is also a great choice for powering automotive audio systems. It can provide the power and clarity needed to drive speakers in a noisy environment, resulting in a clear and enjoyable listening experience, even at high volumes.

How to Use the TPA6139A2PWR

The TPA6139A2PWR is easy to use. It requires only a few external components to implement a complete audio amplifier. The following steps will help you get started:

1. Connect the power supply: The TPA6139A2PWR requires a regulated power supply of 12V to 24V. Connect the positive terminal of the power supply to the VCC pin of the TPA6139A2PWR, and connect the negative terminal of the power supply to the GND pin of the TPA6139A2PWR.
2. Connect the input signal: The TPA6139A2PWR can accept a single-ended or differential input signal. Connect the input signal to the IN+ and IN- pins of the TPA6139A2PWR.
3. Connect the speakers: The TPA6139A2PWR can drive speakers with impedances of 4 ohms to 8 ohms. Connect the speakers to the OUT+ and OUT- pins of the TPA6139A2PWR.
4. Set the gain: The gain of the TPA6139A2PWR is set by connecting a resistor between the GAIN and GND pins of the TPA6139A2PWR. The following table shows the resistor values for the different gain settings:

5. Power on the TPA6139A2PWR: Once all the connections are made, power on the TPA6139A2PWR by applying power to the VCC pin.

Troubleshooting the TPA6139A2PWR

If you are having trouble using the TPA6139A2PWR, check the following:

• Is the power supply voltage correct? The TPA6139A2PWR requires a regulated power supply of 12V to 24V.
• Are the input and output connections correct? Check that the input signal is connected to the IN+ and IN- pins of the TPA6139A2PWR, and that the speakers are connected to the OUT+ and OUT- pins of the TPA6139A2PWR.
• Is the gain set correctly? Check that the gain resistor is connected correctly between the GAIN and GND pins of the TPA6139A2PWR.
• Is the TPA6139A2PWR overheating? The TPA6139A2PWR is protected against overheating, but if it gets too hot, it will shut down. If you are using the TPA6139A2PWR in a high-power application, make sure that it is properly heatsinked.

Conclusion

The TPA6139A2PWR is a high-quality, high-power, and efficient audio power amplifier. It is ideal for adding incredible audio performance to a new or existing audio project. With its compact size, versatility, and ease of use, the TPA6139A2PWR is an excellent choice for a wide range of applications.

FAQs

Still have questions? Here are some frequently asked questions:

• What is the maximum output power of the TPA6139A2PWR? 200W per channel into 4 ohms
• What is the total harmonic distortion (THD) of the TPA6139A2PWR? 0.005% at 1 kHz
• What is the signal-to-noise ratio (SNR) of the TPA6139A2PWR? -106 dBV A-weighted
• What is the efficiency of the TPA6139A2PWR? 90% at 1 kHz
• What is the frequency response of the TPA6139A2PWR? 20 Hz to 20 kHz

Remember, if you have any other questions, you can always check the TPA6139A2PWR datasheet for more information.