CAT5241WI-25-T1

Digital Potentiometers Overview

The CAT5241WI-25-T1 is a quad digital potentiometer featuring four independent linear-taper resistive elements with 64 taps each. It integrates an I²C serial interface for control and sixteen bytes of non-volatile memory (NVRAM) to store up to four wiper settings per potentiometer. The device operates on a single supply voltage ranging from 2.5 V to 6.0 V, with a typical standby current of less than 1 µA. It offers a low wiper resistance of typically 80 Ω at 5 V and supports industrial temperature ranges from -40°C to +85°C.

Digital Potentiometers Feature Summary

• Four independent 64-tap digital potentiometers with linear taper characteristics
• Integrated I²C serial interface supporting standard and fast mode protocols
• Non-volatile memory storage for four distinct wiper positions per channel
• Automatic recall of saved settings from DR0 upon power-up

Digital Potentiometers Applications

• Automated product calibration in high-volume production lines
• Remote control adjustment of equipment in hazardous or inaccessible environments
• Offset, gain, and zero adjustments in self-calibrating systems
• Tamper-proof calibration applications requiring persistent settings

Digital Potentiometers Procurement Notes

Verify the specific suffix 'WI' confirms the SOIC-20 package and '25' indicates the 2.5 kΩ resistance value. Confirm the 'T1' suffix corresponds to tape and reel shipping quantities as specified in the ordering information table. Ensure compatibility with the industrial temperature range requirements for the target application environment.

Digital Potentiometers Selection Notes

Select this component when four independent variable resistors are required within a single IC footprint. The 2.5 kΩ resistance value is suitable for lower impedance circuits compared to the 10 kΩ, 50 kΩ, or 100 kΩ variants. Ensure the system design accommodates the 20-lead SOIC package dimensions and provides adequate I²C bus pull-up resistors for reliable communication.

Digital Potentiometers Part Context

This part belongs to the CAT5241 family of quad digital potentiometers. The 'W' suffix denotes the SOIC-20 package, while 'Y' would indicate a TSSOP-20 package. The 'I' suffix specifies the industrial temperature grade (-40°C to +85°C). Other resistance options include 10 kΩ, 50 kΩ, and 100 kΩ, available in both SOIC and TSSOP packages.

Digital Potentiometers Replacement Considerations

Direct pin-compatible replacements within the same package include other CAT5241 variants with different resistance values (e.g., CAT5241WI-10-T1, CAT5241WI-50-T1). For TSSOP-20 packaging, the CAT5241YI series serves as a package alternative but requires layout verification due to different pin spacing.