CAT5113SI-00

Digital Potentiometers Overview

The CAT5113SI-00 is a single-channel digital potentiometer IC manufactured by onsemi, housed in an SOIC-8 surface-mount package. It features a 100 kΩ resistance value with a linear taper and provides 100 discrete taps for precise adjustment. The device utilizes a non-volatile memory architecture to retain the wiper position during power-off events. Control is managed via a serial interface requiring three input pins (CS, U/D, INC). It operates within a supply voltage range of 2.5 V to 6 V and supports an industrial temperature range from -40°C to +85°C.

Digital Potentiometers Feature Summary

• 100-Tap Resolution: Offers 100 discrete positions for fine-grained resistance control.
• Non-Volatile Memory: Retains the last set wiper position without external power.
• Serial Interface: Controlled via CS, U/D, and INC pins for simple microprocessor integration.
• Linear Taper: Provides a linear relationship between tap position and resistance.

Digital Potentiometers Applications

• Automated product calibration
• Remote control adjustments
• Offset, gain, and zero control circuits

Digital Potentiometers Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm that the specific suffix 'SI-00' matches the required resistance value (100 kΩ) and temperature grade (Industrial). Check current lifecycle status as availability may vary.

Digital Potentiometers Selection Notes

Select this model when a 100 kΩ range with high resolution (100 taps) is required. Ensure the design accommodates the 3-wire serial interface timing. Compare against buffered variants if low output impedance at the wiper is necessary.

Digital Potentiometers Part Context

This component belongs to the CAT511x series of digitally programmable potentiometers. It serves as an electronic replacement for mechanical potentiometers in applications requiring automated or remote adjustment capabilities.

Digital Potentiometers Replacement Considerations

Cross-reference with other CAT5113 variants differing only in resistance values (e.g., CAT5113SI-10 for 10 kΩ) or packaging formats if pinout compatibility is maintained.

Digital Potentiometers FAQ

Does the CAT5113SI-00 have a buffered wiper?

No, the standard CAT5113 does not feature a buffered wiper. For buffered versions, refer to the CAT5111 series.

What is the control interface type?

It uses a 3-wire serial interface consisting of Chip Select (CS), Up/Down (U/D), and Increment (INC) pins.

Is the resistance taper linear or logarithmic?

The CAT5113 series utilizes a linear taper for its resistance array.