CAS5140ZI-50-GT3

Specialized ICS Overview

The CAT5140ZI-50-GT3 is a single-channel digital potentiometer IC manufactured by onsemi. It features a resistance value of 50 kOhms with a linear taper and a tolerance of ±20%. The device includes 256 tap positions controlled via an I2C serial interface. It utilizes non-volatile memory to retain the wiper setting without power. The operating supply voltage ranges from 2.5 V to 5.5 V, with a typical operating current of 1 mA. The temperature coefficient is 100 PPM/°C. It operates within a temperature range of -40°C to +85°C and is housed in an 8-MSOP surface-mount package.

Specialized ICS Feature Summary

• Integrates non-volatile memory for persistent wiper position storage across power cycles
• Utilizes I2C serial control interface for simplified system connectivity
• Provides linear resistance taper characteristics for precise adjustment applications

Specialized ICS Applications

• Industrial control systems requiring adjustable gain or bias settings
• Consumer electronics utilizing digital volume or brightness controls
• Digital systems needing programmable resistance calibration

Specialized ICS Procurement Notes

Verify component authenticity through authorized distributors as the part status is listed as obsolete. Confirm final assembly marks and datasheet revisions match the specific manufacturing lot. Check for alternative sourcing options due to potential discontinuation risks associated with end-of-life products.

Specialized ICS Selection Notes

Select this component when a single-channel digital potentiometer with non-volatile retention is required. Ensure the 50 kOhm resistance value and 256-tap resolution align with circuit requirements. Verify that the I2C interface compatibility matches the host controller's available communication lines and address space constraints.

Specialized ICS Part Context

This component belongs to the CAT5140 series of digital potentiometers. The series offers various resistance values and interface options. The CAT5140 specifically focuses on single-channel operation with non-volatile memory capabilities, distinguishing it from volatile counterparts in the same family.

Specialized ICS Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.