CAT5172 - 256-position SPI Compatible Digital Potentiometer

Features

256-position.
End-to-End Resistance: 50 kW, 100 kW.
SPI Compatible Interface.
Power-on Preset to Midscale.
Single Supply 2.7 V to 5.5 V.
Low Temperature Coefficient 100 ppm/C.
Low Power, IDD 2 mA max.
Wide Opera.

ON Semiconductor

Datasheet Details

Part number	CAT5172
Manufacturer	ON Semiconductor
File Size	205.93 KB
Description	256-position SPI Compatible Digital Potentiometer
Datasheet	CAT5172 Datasheet
Additional preview pages of the CAT5172 datasheet.

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Full PDF Text Transcription

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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 CAT5172 ideal for battery-powered portable appliance.

Published: Jul 6, 2009 |