CAT5112YI-00-GT3

Digital Potentiometers Overview

The CAT5112YI-00-GT3 is a single-channel digital potentiometer manufactured by onsemi. It features a non-volatile memory architecture that retains the wiper setting after power loss, eliminating the need for external storage components. The device utilizes a 3-wire serial interface for control and offers 32 tap positions with a linear taper characteristic. Designed as an electronic replacement for mechanical potentiometers, it supports supply voltages ranging from 2.5 V to 6 V and operates within a temperature range of -40°C to +85°C.

Digital Potentiometers Feature Summary

• Non-volatile memory retains wiper position during power-off events
• 3-wire serial interface (CS, SCLK, SDIN) for up/down control
• 32-tap resistor array with linear taper
• Buffered wiper output capable of sourcing or sinking current

Digital Potentiometers Applications

• Automated gain control in instrumentation systems
• Volume and tone adjustment in audio equipment
• Calibration of sensor signals in industrial automation
• Voltage reference adjustment in test and measurement devices

Digital Potentiometers Procurement Notes

Verify component authenticity through authorized distribution channels due to the prevalence of counterfeit electronic components. Confirm the specific resistance value suffix (e.g., 10 for 10kΩ, 50 for 50kΩ) as the base model number may refer to the family rather than a specific resistance. Check for end-of-life notifications or obsolescence notices from onsemi prior to finalizing procurement plans.

Digital Potentiometers Selection Notes

Select this component when non-volatile storage of the resistance setting is required without external EEPROMs. Ensure the application voltage falls within the 2.5 V to 6 V range. Verify that the 3-wire serial interface timing requirements are compatible with the host microcontroller. Consider the MSOP-8 package dimensions if space constraints are critical compared to standard TSSOP options.

Digital Potentiometers Part Context

This part belongs to the CAT511x series of digital potentiometers from onsemi. The 'YI' suffix typically denotes the TSSOP-8 package variant, while 'GT3' indicates tape and reel packaging. The series is designed to replace mechanical pots in applications requiring remote or automated adjustment, offering higher reliability and smaller form factors.

Digital Potentiometers Replacement Considerations

Direct pin-to-pin replacements include other CAT5112 variants with different resistance values (e.g., CAT5112ZI-10). Cross-family alternatives like the DS1803 or MCP41xxx series may require interface adaptation. Verify that substitute components support the same non-volatile memory feature and buffer current capabilities.