PGA4311UA

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Audio Special Purpose includes a wide range of applications and technologies, and PGA4311UA is no exception. The PGA4311UA is an integrated audio amplifier and low noise buffer, designed to drive current or low voltage signals with low distortion and high power efficiency. It is a low voltage device with a 2.85V to 5V operating voltage range, suitable for many applications in consumer audio systems, portable and portable phones, automotive, home theater, musical instruments and other applications.

The PGA4311UA contains the driver stage for Class-G or Class-AB operation, and a high efficiency push-pull output stage, which has a total harmonic distortion (THD) of 0.01% at 10W output power with a 0.9Ω load and a signal to noise ratio of 94dB. In addition, the amplifier features low offset voltage and quiescent current, a fast slew rate of 14V/ms, low quiescent current of 2.6mA, power up and down pop-free control, and low power consumption. It also includes a thermal shutdown circuit for protection.

PGA4311UA includes patented Hot-Rod feedback technique as well, which improves the performance of the amplifier. This technique operates as an active feedback connection that reduces total system distortion. As a result, PGA4311UA is capable of high power efficiency and distortion linearity.

The PGA4311UA is suitable for mono, stereo and multichannel audio applications. It features integrated features that the user can access through external pins such as power switch off, power level settings, and more. It also has wide bandwidth, with a maximum bandwidth of 215MHz, and can operate at frequencies between 10Hz and 20kHz.

In summary, the PGA4311UA is an ideal choice for applications where a low noise, low voltage, high power, and high efficiency audio amplifier is required. It is suitable for both monaural and multichannel audio applications, has low quiescent current and low distortion, and boasts a wide operating voltage range. Additionally, its Hot-Rod feedback technique ensures maximum performance for any audio application.

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