X9317US8I

Digital Potentiometers Overview

The X9317US8I is a digitally controlled potentiometer (XDCP) manufactured by Renesas Electronics Corporation. It features a single-channel configuration with a 50 kΩ end-to-end resistance and linear taper. The device provides 100 wiper tap points controlled via a 3-wire serial interface (Up/Down, Increment, Chip Select). It utilizes nonvolatile memory to retain the wiper position after power loss. The component operates within a supply voltage range of 2.7V to 5.5V and is housed in an 8-SOIC package.

Digital Potentiometers Feature Summary

• Nonvolatile memory storage for wiper position recall upon power-up
• 3-Wire Serial Up/Down interface for digital control
• 100 wiper tap points with ±20% resistance tolerance
• Low standby current (<5µA) in CMOS technology

Digital Potentiometers Applications

• Voltage control circuits requiring digital adjustment
• Current control applications using variable resistance
• System calibration where persistent settings are required

Digital Potentiometers Part Context

The X9317US8I belongs to the XDCP™ series from Renesas. It is part of a family offering various resistance values (10kΩ, 50kΩ, 100kΩ) and packages (SOIC, TSSOP, MSOP). This specific model uses the SOIC-8 package variant.

Digital Potentiometers Replacement Considerations

Direct substitutes include X9317UV8IZ (TSSOP package) and X9317UM8IZ (MSOP package), which share identical electrical specifications but differ in physical footprint. Verify pin compatibility and thermal requirements when switching packages.