CAT5172 256‐position SPI Compatible Digital Potentiometer (POT) The CAT5172 is a 256-position digital linear taper potentiometer ideally suited for replacing mechanical potentiometers and variable resistors.
Like mechanical potentiometers, the CAT5172 has a resistive element, which can span VCC to Ground or float anywhere between the power supply rails.
Wiper settings are controlled through an SPI-compatible digital interface.
Upon power-up, the wiper assumes a mid-span position and may be repositioned anytime after the power is stable.
The CAT5172 operates from 2.
7 V to 5.
5 V, while consuming less than 2 mA.
This low operating current, combined with a small package footprint, make the CAT5...

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