X9314WSIT1

Digital Potentiometers Overview

The X9314WSIT1 is a single-channel digitally controlled potentiometer (XDCP) manufactured by Renesas Electronics. It features a 10 kΩ end-to-end resistance with a logarithmic taper and 32 discrete taps for precise resistance adjustment. The device utilizes a nonvolatile memory architecture to store wiper positions, ensuring data retention without power. It operates on a serial three-wire interface (CS, U/D, INC) for control. The component supports a supply voltage range of 3.0 V to 5.5 V and is housed in an 8-lead SOIC package.

Digital Potentiometers Feature Summary

• Nonvolatile EEPROM storage retains wiper position upon power-up
• Logarithmic taper with 32 taps for audio or sensor applications
• Three-wire serial interface for digital control
• Single channel with 10 kΩ total resistance

Digital Potentiometers Applications

• Digitally controlled gain adjustment in signal processing circuits
• Volume control in audio equipment requiring logarithmic response
• Parameter trimming in industrial instrumentation
• Bias voltage adjustment in analog front-ends

Digital Potentiometers Procurement Notes

Verify the specific suffix 'T1' against official Renesas documentation to confirm tape-and-reel packaging and exact temperature grade. Cross-reference the part number with the manufacturer's current product status to ensure availability, as older Intersil/Renesas digital potentiometer lines may have discontinuation notices or obsolescence warnings.

Digital Potentiometers Selection Notes

Select this component when a logarithmic resistance profile is required rather than linear. Ensure the application environment stays within the specified operating temperature range for the WS package variant. Confirm that the system logic levels are compatible with the 3-wire serial interface inputs. Compare against the X9313 series if a linear taper is needed instead.

Digital Potentiometers Part Context

This component belongs to the X9314 family of solid-state potentiometers originally developed by Intersil and acquired by Renesas. It serves as a direct replacement for mechanical potentiometers in applications requiring programmable resistance. The 'WS' designation typically indicates the SOIC-8 package and industrial temperature range specifications.

Digital Potentiometers Replacement Considerations

Direct pin-compatible alternatives include the X9313WSIZT1 for linear taper requirements or the X9314WMIZ-3T1 for MSOP-8 packaging. Verify that substitute parts match the logarithmic taper characteristic and nonvolatile memory functionality.