ISL23348UFRZ-T7A

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The ISL23348UFRZ-T7A digital potentiometer is a precision, reliable and cost effective solution for a variety of applications in the data acquisition field. The device offers an excellent combination of features that allow clients to monitor, adjust, and control voltage in a variety of applications with high accuracy and precision. The ISL23348UFRZ-T7A is ideal for many applications, from simple, high-precision voltage regulation to advanced voltage detection and stabilization. This digital potentiometer, which is a member of the family of I3C compatible parts, is a great option for PC-based systems, as well as for data acquisition, test and monitoring applications.The ISL23348UFRZ-T7A is an 8-pin device that integrates an adjustable resistor, analog and digital ports, and an I3C compatible serial interface. It offers low temperature coefficient, low power consumption, and high accuracy and resolution over an extended temperature range without drift work. It also provides a Serial Peripheral Interface (SPI) with a data rate of up to 30 MHz. The on-board digital-to-analog converter (DAC) offers programmable gain/offset accuracy of up to 8 bits. This can be further refined with the On-chip Digital Temperature Sensor (DTS), which provides high accuracy measurements of up to 0.1°C.The ISL23348UFRZ-T7A is ideally suited for applications that need precise voltage regulation and/or measurement, such as in industrial process control, and other data acquisition systems. The device can be used for precise voltage control/regulation of valves, motors, sensors, and actuators, and for other precise analog signal measurement applications. Additionally, its on-board digital temperature sensor can be used to accurately measure temperature.The ISL23348UFRZ-T7A works by storing a resistance value which is determined by the setting of the scale factor and the external voltage. Depending on the application, the scale factor can be set to scale the entire range or just the portion of it. Once the resistance value is stored, a pulse-width-modulated current passes through or across the resistor. The precise resistance value is used to keep the current at the desired level and regulate it according to the voltage applied. This prevents the voltage from exceeding its programmed level, resulting in precise voltage regulation and higher efficiency.In addition to its precise voltage regulation, the ISL23348UFRZ-T7A can be used to precisely measure analog signals. The internal DAC and DTS can be used to measure the value of the external signal within 0.1°C. This accuracy can be further improved by applying an external temperature compensation setting. The device is capable of setting the range and accuracy of the voltage that is being measured.In summary, the ISL23348UFRZ-T7A is an ideal solution for many applications in the data acquisition field. It offers a combination of features and precision, together with a low temperature coefficient, that are perfectly suited for voltages regulation and measurement with high accuracy and resolution over a wide temperature range without drift work. Its on-board digital temperature sensor and SPI interface make it an ideal choice for PC-based systems, as well as for data acquisition, test and monitoring applications.

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