ISL23318WFUZ-T7A

Digital Potentiometers Overview

The ISL23318WFUZ-T7A is a single-channel digital potentiometer from the Renesas XDCP series. It features a 50 kΩ resistance value with 128 tap positions and linear taper characteristics. The device utilizes an I²C serial interface for control and employs volatile memory to retain wiper settings during operation. It operates within a supply voltage range of 1.7 V to 5.5 V and supports surface-mount installation in a 10-UTQFN package measuring 2.1 x 1.6 mm.

Digital Potentiometers Feature Summary

• I²C serial interface with optional address selection
• 128 tap positions with 50 kΩ total resistance
• Volatile storage mechanism for wiper position
• Linear taper characteristic with ±20% tolerance

Digital Potentiometers Applications

• Programmable gain amplifier circuits
• Voltage reference adjustment
• Audio volume control systems

Digital Potentiometers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity and pin alignment upon receipt. Cross-reference datasheet revisions to ensure compatibility with design specifications. Check for RoHS compliance status if required by regulatory standards.

Digital Potentiometers Selection Notes

Select this component when an I²C-controlled digital potentiometer is required. Ensure the system voltage falls within the 1.7 V to 5.5 V operating range. Consider the volatile nature of the memory, which requires re-initialization after power cycles. Verify that the 10-UTQFN footprint fits the PCB layout constraints.

Digital Potentiometers Part Context

This part belongs to the ISL23318 family of digital potentiometers. It shares functional similarities with other members like the ISL23318UFRUZ-T7A but differs in package type and specific suffix designations. The 'W' indicates a specific package variant, while 'T7A' denotes tape and reel packaging.

Digital Potentiometers Replacement Considerations

The ISL23318UFRUZ-T7A is listed as a substitute option. Verify pinout compatibility and electrical parameters before substitution. Ensure the alternative package matches the existing PCB footprint or allows for redesign.