MAX9719AEUE+T

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Audio amplifiers are extensively used in modern life. They not only make the sound clearer, but also boost the audio volume to make it louder. MAX9719AEUE+T, as one of the most popular audio amplifier chip on the markets, has extensive application and reliable performance. Here, we will mainly introduce its working principle and application field.

Working Principle of MAX9719AEUE+T

MAX9719AEUE+T is a high-performance, low-power stereo audio amplifier. Its advanced architecture and design features deliver excellent sound quality and audio clarity, while its compact form factor makes it ideal for space-constrained consumer and portable applications. The MAX9719AEUE+T operates with a single 5V power supply and is capable of driving up to 4 ohm speakers with a 2.5W per channel output power.

At input section, analog inputs such as I2S-compatible digital audio signals, or analog audio signals can be directly connected to the amplifier. To start operation, the appropriate channels need to be selected with the AMP_SD control line and the DC volume set control line. After detecting the AMP_SD and DC volume set signals the internal logic activates the voltage control amplifier which in turn sets the volume and drives the power amplifier output. Afterward, the power amplifier section is ready for amplifying and streaming audio signals, with any required pre-amplification, no additional Volume Control circuit is needed.

Application Fields of MAX9719AEUE+T

Maxim integrated MAX9719AEUE+T integrated stereo audio amplifier is an ideal solution for portable digital audio applications. The MAX9719AEUE+T is well-suited for use in multimedia speakers, portable speakers, soundbars, desktop speakers, PCs and home entertainment systems. The integrated thermal shut down feature and the efficient DC-DC converter make it a robust, stable and safe solution for audio solutions.

The MAX9719AEUE+T features a wide input voltage range, superior sound quality and a low quiescent current of just 50uA. In addition, the MAX9719AEUE+T features bridged, switchable gain to regulate the audio output level, making it an ideal solution for devices that require external volume control.

MAX9719AEUE+T could also be applied in numerous other audio solutions. Other potential application may include musical instruments, gaming devices, multimedia devices, asset tracking and telematics devices, automotive audio solutions and industrial measurement systems.

In general, the MAX9719AEUE+T offers an easy to use, low power and high performance amplifier solution. With its simple control interface, its bridged gain switches, its low-noise operation and its wide operating voltage range, it can be quickly and cost-effectively incorporated into any audio application.

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