ISL59420IU-T7

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ISL59420IU-T7 is a video amplifier module that uses a high-performance linear amplifier to process the video signal. The device is designed to amplify the video signal and convert it into a format that allows for image or video display. The module is ideal for applications such as large format LCD displays, small and medium format displays, HD television receivers, and miniature monitors.

The ISL59420IU-T7 consists of an op-amp module that contains two low-power amplifier stages connected in series. The first stage of the op-amp uses a low-noise differential amplifier for amplification, followed by a next stage using an AC-coupled differential pair for gain control and level adjustment. The output from this stage is balanced by a low-noise voltage-to-current converter, which is then routed to the output stage. The output stage of the amplifier features a wideband, high-gain amplifier with a low output impedance to drive the video signal to its destination.

The primary benefit of the ISL59420IU-T7 is its ability to minimize picture noise by 12 dB. As a result, the device offers significant noise-reduction benefits and reduces the need for external filtering in most applications. The device also has a wide input range, enabling it to work with signals spanning from 0.5 Vpp to 5 Vpp. In addition, the amplifier has an on-chip power- supply rejection ratio (PSRR) of 75 dB, providing excellent linearity and signal fidelity.

The working principle of the ISL59420IU-T7 amplifier is based on the use of its two stages for level and gain control. The first stage of the amplifier consists of a differential amplifier with two inputs, one inverted and one non-inverted. The second stage employs an AC-coupled differential pair, which allows for control of both the gain and level of the output. The remaining stages of the amplifier are responsible for providing the necessary gain and level control, while also providing the necessary noise reduction.

The ISL59420IU-T7 is an ideal amplifier module for applications where a high level of signal quality is required. With its low-noise differential amplifier, the device can provide excellent image quality. Its wide dynamic range, low-noise voltage-to-current converter, and high PSRR also ensure faithful signal reproduction. This makes it ideal for applications such as large format LCD displays, small and medium format displays, HD television receivers, and miniature monitors.

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