EL4543IU

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Introduction

EL4543IU is an integrated linear video amplifier with low power consumption for applications in mobile devices such as smartphones and tablets. It has two separate amplifier stages that can simultaneously drive four different channel outputs to achieve an incredibly wide variety of applications. The device is designed specifically to improve performance in noise-sensitive applications such as smart TVs, displays and touchscreens. Its high power efficiency and low power dissipation make it ideal for portable applications.

Application field

EL4543IU is a linear-video amplifier module well suited for energy efficient video signal conditioning. It is perfect for displays and touchscreens, providing precise control with low power consumption. It can also be used in portable multimedia applications, providing precise signal-level control with high signal fidelity and low power dissipation. It is suitable for smart TVs, automotive display systems, projectors, and other applications where low power and precise signal-level control are of paramount importance.

Working Principle

The EL4543IU integrates two independent amplifier channels with adjustable gains for driving two four-channel outputs. It is based on the differential input–output architecture which eliminates the need for external voltage level shifting circuitry. The adjustable gain allows the user to configure the device for optimum performance depending on the application. It also features programmable slew rates and GBW that can be tailored to individual requirements. The amplifier is both thermal and supply voltage compensated in the feedback loop to ensure optimal performance.

Conclusion

The EL4543IU is an ideal choice for linear video amplifier applications. It can drive two four-channel outputs with adjustable gains and offers high signal fidelity and low power dissipation. It also features programmable slew rates and GBW that can be tailored to individual requirements. Furthermore, its Thermal and supply voltage compensation ensures optimal performance in a wide variety of applications. The EL4543IU is an efficient and reliable choice for smart TVs, automotive display systems, projectors, and other applications.

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