CAT5111YI-10-GT3

Digital Potentiometers Overview

The CAT5111YI-10-GT3 is a single-channel digital potentiometer IC manufactured by onsemi. It features a non-volatile memory architecture with 100 adjustable taps, allowing for precise resistance setting retention without power. The device utilizes a 3-wire serial interface for up/down control and includes an integrated output buffer. It operates within a supply voltage range of 2.5 V to 6 V, drawing a typical operating current of 200 uA. The component offers linear taper characteristics and is housed in an MSOP-8 surface-mount package, suitable for industrial applications across a temperature range of -40°C to +85°C.

Digital Potentiometers Feature Summary

• Non-volatile memory retains wiper position after power loss
• 100-tap resolution with linear taper characteristic
• Integrated output buffer for improved drive capability
• 3-wire serial interface (SDI, SCLK, CS) for up/down control

Digital Potentiometers Applications

• Audio volume control systems requiring persistent settings
• Industrial process control calibration
• Programmable gain amplifier biasing
• Voltage reference adjustment circuits

Digital Potentiometers Procurement Notes

Verify the specific suffix 'YI' against official onsemi documentation to confirm the exact resistance value and package variant, as catalog listings may vary. Confirm end-of-life status and lead times through authorized distributors, as availability for this specific part number requires direct verification from manufacturer channels.

Digital Potentiometers Selection Notes

Select this component when non-volatile storage is required to maintain resistance settings during power cycles. Ensure the 100-tap resolution meets the application's precision requirements compared to lower-resolution alternatives like the 32-tap CAT5110. Verify that the 3-wire interface is compatible with the host microcontroller's available SPI or serial ports.

Digital Potentiometers Part Context

This part belongs to the CAT511x family of digital potentiometers, which are designed as electronic replacements for mechanical potentiometers. The CAT5111 specifically distinguishes itself with non-volatile memory and an output buffer, differentiating it from volatile counterparts like the CAT5110 or unbuffered variants.

Digital Potentiometers Replacement Considerations

Direct pin-compatible substitutes include other CAT5111 variants with different resistance values (e.g., CAT5111VI-50-T3 for 50 kOhm). For volatile applications, the CAT5110 series may serve as a functional alternative if non-volatile retention is not required.