X9313ZMI-3

Digital Potentiometers Overview

The X9313ZMI-3 is a single-channel digital potentiometer IC from the X9313 series, manufactured by Renesas Electronics. It features a total resistance of 1 kOhm with 32 linear taps and non-volatile memory for wiper position storage. The device operates on a serial 3-wire interface and supports supply voltages between 3 V and 5.5 V, with typical operation at 3.3 V or 5 V. It is housed in an 8-lead MSOP package and functions within an industrial temperature range of -40°C to +85°C.

Digital Potentiometers Feature Summary

• Non-volatile EEPROM storage retains wiper settings after power loss
• 3-wire serial interface (CS, CLK, INC/U-D) for control
• Linear taper with 32 discrete tap positions
• Single-potentiometer configuration in MSOP-8 package

Digital Potentiometers Applications

• Audio volume control and tone adjustment
• Programmable gain amplifier offset calibration
• Voltage reference trimming
• Sensor bias adjustment

Digital Potentiometers Procurement Notes

Verify the specific suffix 'I' indicates the industrial temperature grade (-40°C to +85°C) compared to commercial variants. Confirm RoHS compliance status through official datasheets as manufacturing updates may occur. Check for moisture sensitivity level requirements during PCB assembly.

Digital Potentiometers Selection Notes

Select this component when a low-resistance (1 kOhm) digital potentiometer is required for precision applications. Ensure the 3-wire interface compatibility with the host microcontroller. Verify that the 32-tap resolution meets the application's adjustment granularity needs.

Digital Potentiometers Part Context

This part belongs to the X9313 family of CMOS EEPOTs. Variants differ primarily by resistance value (e.g., Z=1k, W=10k, U=50k) and temperature grade (M=Industrial, S=Commercial). The 'ZMI-3' designation specifies the 1 kOhm industrial-grade version in MSOP packaging.

Digital Potentiometers Replacement Considerations

Direct substitutes include other X9313 variants with matching resistance and interface if temperature ranges align. Cross-reference with Intersil legacy part numbers if sourcing from older design histories.