AD5253BRUZ10-RL7

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The AD5253BRUZ10-RL7 is designed around a Virtual Wiper and Non-volatile Memory (NVMem) technology, this allows a single industrial grade digital potentiometer to provide a wide range of applications while still providing low-power operation, fast and reliable performance and superior accuracy. This device is designed to be used in a range of industrial, medical and consumer applications, where a fast and reliable digital solution for controlling a voltage or current is required.

AD5253BRUZ10-RL7 is an industrial grade single-channel, non-volatile digital potentiometer. It consists of 64 linear steps and is available in 50/100K, 10K increments. It provides a wide range from 0.12 ohms to 96 ohms, with a 4-bit resolution of 1/16th of a wiper step. It has non-volatile memory and can store the last programmed wiper position even when power is removed or switched off. It also provides end-of-travel and temperature warnings. With a supply voltage range of 1.8-3.3V, the device is designed to operate in harsh industrial environments.

The AD5253BRUZ10-RL7 allows remote, low-power control of the wiper position by using a 3-wire Serial Peripheral Interface (SPI). The number of possible steps can be increased with the addition of extra bits, while the effective resolution per step can be fine tuned. In addition, multiple AD5253BRUZ10-RL7 can be sequentially addressed and controlled on the same bus, eliminating the need for complex circuit designs.

The working principle of the AD5253BRUZ10-RL7 involves two distinct technologies divided between the digital and analog portions of the device. The Digital portion uses the SPI interface for setting and storing wiper position. The SPI allows communication with the external world. The Analog portion of the device is composed of a mechanical array resistor, a switching matrix and wiper output buffer.

The switch matrix is a group of switches that connects the mechanical array resistor to the wiper output buffer. As the position is changed by the SPI command, the switches move and leaves a potential behind. This potential is then read as a voltage in the wiper output buffer.

The AD5253BRUZ10-RL7 can be used in a wide variety of applications, such as industrial process control, medical diagnosis and consumer electronics. Its low power consumption and high performance makes it ideal for use in any industrial or consumer environment. Its excellent accuracy and wide range of wiper taps makes it the ideal choice for applications where precision is a must.

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