DS1882E-050+

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Introduction:DS1882E-050+ is a digital potentiometer with a wiper position resolution of 0.5%. It has a voltage range from 0V to 36V, an on-chip register that stores the current wiper setting, and an on-chip scaling amplifier that adjusts for system gain errors. The device has an on-chip ADC and can process data from any type of digital source, such as a micropocessor, a FPGA, or an analog-to-digital convertor. In addition, it has a wide range of features, such as programmable sensing ranges, switch debouncing, and comparator input features.Application Field:DS1882E-050+ is suitable for a wide range of applications. It is suitable for use in audio, video, and other signal processing circuits. It also can be used in communication systems, stepper motor control, and automated test systems. In addition, it can be used in touchscreens, game controllers, and other user input devices. As it is a digital potentiometer, it can be used to accurately control output and input signals, adjust gain and offset, and measure resistance in varying applications.Working Principle:The DS1882E-050+ is an integrated, digital potentiometer that allows for control of an output current based on a digital signal from a processor, FPGA, or other digital source. The key feature of the device is its ability to control and adjust output currents from 0V to 36V, with a resolution of 0.5%. The device utilizes a resistive element that is driven by a latch circuit and a pair of parallel digital-to-analog converters (DACs). The DACs act as a digital voltage source and allow the current output to be adjustable based on the digital signal.The device also includes a comparator input. The comparator input allows the digital signal to be compared to either a positive or negative threshold. If the digital signal surpasses the programmed threshold, the DS1882E-050+ will operate in an alternating current control mode, allowing the output current to be adjusted and controlled.The device also includes an on-chip scaling amplifier. The amplifier is programmable and is used to offset errors caused by differences between different voltages or system gain. By using this amplifier, the device can accurately convert digital information into analog signals.Conclusion:The DS1882E-050+ is a digital potentiometer that is suitable for a wide range of applications. It has a voltage range of 0V to 36V, with a resolution of 0.5%, and an on-chip register that stores the current wiper setting. It also includes an on-chip scaling amplifier that can be programmed to offset errors caused by different voltages or system gain. Additionally, the device has a comparator input feature that allows the digital signal to be compared to a positive or negative threshold. This feature allows the device to be used in touchscreens, game controllers, and other user input devices. 

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