LM4666SD/NOPB

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The LM4666SD/NOPB is a dual, low power variable gain amplifier designed for audio applications. It consists of two independent variable gain amplifiers, each with a wide range of gain settings and a low voltage noise floor. The variable gain feature allows for accurate but low-power audio gains and is ideal for applications such as audio equalizers, bass and treble controls, and level controls. The device also features low distortion and low noise, making it suitable for many consumer audio applications.

The LM4666SD/NOPB has a wide dynamic range with a high DC gain of x6, and can provide a low distortion low voltage audio signal. The device can be configured as a low noise and low distortion audio amplifier, as an audio pre-amplifier and/or audio mixer, as an audio equalizer, and as an audio level controller. The LM4666SD/NOPB is also available in low power DIP (dual in-line package) form, making it ideal for low power applications.

The LM4666SD/NOPB is designed to operate from a single supply voltage ranging from +3V to +12V and can provide up to a gain of x6. It has very low distortion levels, thanks to the low feedback composite transistors that are used to create the variable gain stage. The variable gain settings are provided by a single control pin, which allows for precise adjustment of the amplifier’s gain. Additionally, the device also features a wide input voltage range and can handle up to 4V peak output levels.

The LM4666SD/NOPB is also designed with power efficiency and supply rejection in mind. It can provide a low voltage noise figure with low quiescent current draw, and the device is also power supply rejection rated. This means that the LM4666SD/NOPB maintains low noise levels, even with large supply variations, making it very suitable for high quality audio applications.

The LM4666SD/NOPB is also suitable for AC-coupling applications, as it is designed to reduce the dynamic range of signals between two analog or digital devices. This reduces the spurious harmonics, amplitude and intermodulation products, thus improving the system\'s performance. Additionally, the LM4666SD/NOPB has a wide output velocity scaling feature which allows for high slew rates with low settling times and low distortion levels.

The LM4666SD/NOPB is a great choice for low power, low distortion audio applications. Its wide range of gain settings and low voltage noise figure make it ideal for many audio applications such as audio equalizers, bass and treble controls, level controllers and AC coupling applications. The device also features a high DC gain of x6, low distortion, wide input voltage range, low voltage noise figure, low quiescent current draw, power supply rejection and wide output velocity scaling.

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