TPA741DGNR

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Linear - Amplifiers - Audio

The TPA741DGNR is a Direct Gain N-Channel Audio Power Amplifier from Texas Instruments. It combines a low-voltage operational amplifier, high-current capabilities, low-noise dual audio control, and variable gain controls to enable audio applications in the widest range from low-frequency signals to high- frequency armature signals. The TPA741DGNR is well suited for use in audio systems for portable and stationary applications, such as vehicle and home theater audio systems, portable radios, MP3 players and multi-media systems.

Features of the TPA741DGNR

• High gain bandwidth product- 16.5 MHz @ Gain = +24dB
• Low noise- 4.5nV/Hz at 1kHz
• Low voltage- 0.8V to 8V Operation
• High current drive- 500mA
• Low distortion- 0.01% @ +16dB
• Dual audio control
• Thermal protection

Working Principle of the TPA741DGNR

The TPA741DGNR operates on the principle of ear-level audio amplifications. The audio signals are received by the micro-controller on the TPA741DGNR and converted into an amplified signal. With the help of low-distortion and low-noise circuitry, the signals are amplified and input to an audio amplifier for further amplification. The amplified output is then sent to a speaker or a headphone for playback. A high gain bandwidth product and low-voltage operation makes the TPA741DGNR ideal for applications such as portable radios and multimedia systems where low distortion and low noise are important.

Applications of the TPA741DGNR

The TPA741DGNR is mainly used in audio amplifications. The Direct Gain N-Channel Audio Power Amplifier is suitable for amplifying low and high-frequency signals, making it an ideal choice for a range of applications such as:

• Vehicle audio
• Home Theater audio systems
• Portable radios
• MP3 players
• Multi-media systems

The TPA741DGNR provides high gain bandwidth product, low-noise dual audio control, and low voltage operation, making it ideal for audio applications in both low and high frequency signals. With the ability to amplify signals from 0.8V to 8V, the TPA741DGNR is one of the most reliable and versatile amplifiers for audio applications.

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