MAX5389

PRODUCTION

Dual, 256-Tap, Volatile, Low-Voltage Linear Taper Digital Potentiometer

Dual, 256-Step, Up/Down Interface Digital Potentiometer with a 2.6V Supply

Data Sheet (Rev. 3) Product Selection Table
Part Models
6
1ku List Price
Starting From $1.07
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Part Details

  • Dual, 256-Tap Linear Taper Positions
  • Single +2.6V to +5.5V Supply Operation
  • Low (< 1µA) Quiescent Supply Current
  • 10kΩ, 50kΩ, 100kΩ End-to-End Resistance Values
  • Up/Down Interface
  • Power-On Sets Wiper to Midscale
  • -40°C to +125°C Operating Temperature Range
MAX5389
Dual, 256-Tap, Volatile, Low-Voltage Linear Taper Digital Potentiometer
MAX5389: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 2

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Potentiometers (DigiPOT) 3
MAX5386
PRODUCTION Dual, 256-Tap, Volatile Low-Voltage Linear Taper Digital Potentiometers
MAX5388
PRODUCTION Dual, 256-Tap, Volatile Low-Voltage Linear Taper Digital Potentiometers
MAX5387
PRODUCTION Dual, 256-Tap, Volatile, Low-Voltage Linear Taper Digital Potentiometer
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Evaluation Kits

MAX5389EVKIT

Evaluation Kit for the MAX5389

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Features and Benefits

  • 2.8V to 5.5V Single-Supply Operation
  • 2.6V or 3.3V MAX5389 VDD input
  • Supports Pushbutton or Stand-Alone Digital Input Interfacing

Product Details

The MAX5389 evaluation kit (EV kit) is an assembled and tested PCB that features the MAX5389M 50kΩ dual digital potentiometer. The EV kit provides a mechanical pushbutton-controlled interface or a user-supplied digital interface for the IC digital inputs for changing the potentiometer wipers.

The EV kit operates from an external 2.8V to 5.5V power supply applied at the VIN and GND PCB pads. The MAX5389 operates from a 2.6V to 5.5V VDD supply. Additional LDO regulators are provided to operate the MAX5389 VDD input at 2.6V or 3.3V. The on-board regulators require a 200mV overhead above their respective outputs.

Applications

  • Adjustable Voltage References/Linear Regulators
  • Audio Mixing
  • Automotive Electronics
  • Low-Drift Programmable Filters and Amplifiers
  • Low-Voltage Battery Applications
  • Mechanical Potentiometer Replacement
  • Programmable Delays and Time Constants
MAX5389EVKIT
Evaluation Kit for the MAX5389

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