DS3503U+

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The DS3503U+ is one of the most advanced digital potentiometers available in the market today, with many advanced features and an impressive performance specs. It is designed specifically for automotive, industrial, and medical applications, as well as many other applications where precision data acquisition and low-power, high-endurance operation is necessary. Generally speaking, this device is a three-terminal, monolithic linear variable resistor, where resistance values are programmable and controlled through digital means.

In more technical terms, the DS3503U+ is an adjustable voltage divider and operates similar to the basic resistor-based voltage divider circuit with the ability to program each resistor value to the closest 1/4 bit resolution, or 0.03125 V. The device has a total of 256 steps of resistance, each 1/4Bit. The device is based on an integrated device poising technology called “Peak Step Efficiency” that allows for a wide range of resistance values to be programmed with the same accuracy. The device has a miniature size so it can fit into tight spaces, even in highly populated PCBs.

The DS3503U+ utilizes is efficient architecture with minimal power consumption and built-in thermal protection to minimize power dissipation and ultimately prevent potential damage due to thermal overload. This makes the device very suitable for automotive and other applications where power consumption is a major concern. The device also features robustness to shock, vibration and flexing, making it suitable for the automotive, military and industrial environments.

The power supply range for the DS3503U+ is from 1.8V to 6V, with an accuracy variation of 0.25% on its resistance values over this entire range. The device also offers an operating temperature range of -40℃ to + 85℃, with a high grade precision design that features low contact resistance as well as a monotonic resistance variation across each step. The device comes in a 12-pin SOIC package that can be surface mountable, which makes it convenient to mount the device on existing boards with minimal effort.

As digital potentiometers go, the DS3503U+ is one of the most advanced devices of its kind. It is equipped with many features such as integrated poising technology, low power consumption, and an impressive temperature range, which make it suitable for many applications where data acquisition and low-power operation are required. The DS3503U+ is well-suited for automotive, industrial, and medical applications, and is a quality choice for those who need precision measurements with high endurance and minimal power consumption.

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