DS1809Z-010+C

Digital Potentiometers Overview

The DS1809Z-010+C is a nonvolatile digitally controlled potentiometer (Dallastat) manufactured by Analog Devices Inc./Maxim Integrated. It provides 64 uniform wiper positions over a 10 kΩ resistor range, including high-end and low-end terminals. The device operates from +4.5V to +5.5V supplies and features an electronic interface supporting either digital or pushbutton control via UC and DC inputs. Wiper position is maintained in the absence of power using an EEPROM cell array rated for greater than 50k writes. It is housed in an 8-lead SO package and designed for industrial temperature ranges.

Digital Potentiometers Feature Summary

• 64-position linear taper with 10 kΩ total resistance
• Nonvolatile wiper storage via internal EEPROM (>50k writes)
• Dual pushbutton or contact closure interface without external debounce
• Operates from +4.5V to +5.5V supply voltage

Digital Potentiometers Applications

• Low-power portable applications
• Battery-powered systems
• Low-cost alternative to mechanical potentiometers

Digital Potentiometers Procurement Notes

Verify the specific ordering suffix 'C' against official manufacturer documentation, as standard datasheets list 'DS1809Z-010+' for the SO package. Confirm RoHS compliance status and exact package dimensions if the suffix indicates a variant not explicitly detailed in the primary reference material.

Digital Potentiometers Selection Notes

Select this component when a nonvolatile digital potentiometer with 64 taps is required. Ensure the system supply voltage falls within the +4.5V to +5.5V range. Consider the 10 kΩ resistance value and the need for pushbutton or CPU-generated pulse control signals compatible with the active-low UC and DC inputs.

Digital Potentiometers Part Context

The DS1809 series includes variants with 10 kΩ, 50 kΩ, and 100 kΩ resistances. The 'Z' suffix denotes the 8-lead SO package. The 'U' suffix corresponds to the µSOP package, while 'PDIP' is available for through-hole mounting. All versions share the same electrical characteristics and control interface.

Digital Potentiometers Replacement Considerations

Direct substitutes include other DS1809 variants with different resistance values (e.g., DS1809Z-050+, DS1809Z-100+) if the resistance requirement differs. Verify pin compatibility and package footprint before replacing with other digital potentiometer families.