MAX5391

PRODUCTION

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

Industry's First 1.7V Supply, 256-Step Dual Digital Potentiometers

Data Sheet (Rev. 3) Product Selection Table
Part Models
1
1ku List Price
Starting From $1.81
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Part Details

  • Dual, 256-Tap Linear Taper Positions
  • Single +1.7V to +5.5V Supply Operation
  • Low 12µA Quiescent Supply Current
  • 10kΩ, 50kΩ, and 100kΩ End-to-End Resistance Values
  • SPI-Compatible Interface
  • Wiper Set to Midscale on Power-Up
  • -40°C to +125°C Operating Temperature Range
MAX5391
Dual 256-Tap, Volatile, Low-Voltage Linear Taper Digital Potentiometers
MAX5391, MAX5393: Functional Diagram
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Documentation

Data Sheet 1

Technical Articles 2

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Potentiometers (DigiPOT) 4
MAX5488
PRODUCTION Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers
MAX5489
PRODUCTION Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers
MAX5392
PRODUCTION Dual, 256-Tap, Volatile, Low-Voltage, Linear Taper Digital Potentiometer
MAX5487
PRODUCTION Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital Potentiometers
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Evaluation Kits

MAX5391NEVMINIQU

Evaluation Systems for the MAX5386M, MAX5388, MAX5391, and MAX5393

Buy Now View Details

Features and Benefits

  • 1.7V to 5.25V Single-Supply Operation
  • PC-USB to 3-Wire Interface or Stand-Alone 3-Wire Serial-Interface Operation
  • Easy-to-Use Menu-Driven Software
  • Includes Windows 2000-, Windows XP-, and Windows Vista-Compatible Software
  • Fully Assembled and Tested

Product Details

The MAX5391L and MAX5391N evaluation kits (EV kits) are fully assembled and tested PCBs that feature the MAX5391L (10kΩ) and MAX5391N (100kΩ) dual digital potentiometers, respectively. The MAX5391L/MAX5391N dual volatile potentiometers communicate through an SPI™-compatible 3-wire serial interface.

The MAX5391LEVMINIQU+ and MAX5391NEVMINIQU+ evaluation systems (EV systems) include the MAX5391L EV kit and MAX5391N EV kit, respectively, and a MINIQUSB+ interface board. The MINIQUSB+ interface board can be used to enable PC communication through the USB interface. Windows® 2000-, Windows XP®-, and Windows Vista®-compatible software provides a professional user interface for exercising the MAX5391L/MAX5391N features. The program is menu-driven and offers a graphical user interface (GUI) complete with buttons, track bars, and edit boxes. The EV kit software can be used to evaluate the MAX5386M, MAX5393, and MAX5388. The EV kits can also be interfaced directly to a user-supplied 3-wire system.

The MAX5391L/MAX5391N ICs can be powered from a 1.7V, 2.6V, 3.3V, or 5V source generated from the MINIQUSB+ interface board and EV kit circuitry, or a user-supplied external 1.7V to 5.25V DC power supply. Order the MAX5391LEVMINIQU+ or MAX5391NEVMINIQU+ EV system for a PC-based evaluation of the MAX5391L or MAX5391N, respectively.

The EV kits also contain PCB footprints for the MAX5386M, MAX5388, and MAX5393. To evaluate these parts, order samples and install the ICs on U1, U4, and U3, respectively.

Applications

  • Adjustable Voltage References/Linear Regulators
  • Automotive Electronics
  • Low-Voltage Battery Applications
  • Mechanical Potentiometer Replacement
  • Offset and Gain Control
  • Portable Electronics

MAX5391LEVMINIQU

Evaluation Systems for the MAX5386M, MAX5388, MAX5391, and MAX5393

Buy Now View Details

Features and Benefits

  • 1.7V to 5.25V Single-Supply Operation
  • PC-USB to 3-Wire Interface or Stand-Alone 3-Wire Serial-Interface Operation
  • Easy-to-Use Menu-Driven Software
  • Includes Windows 2000-, Windows XP-, and Windows Vista-Compatible Software
  • Fully Assembled and Tested

Product Details

The MAX5391L and MAX5391N evaluation kits (EV kits) are fully assembled and tested PCBs that feature the MAX5391L (10kΩ) and MAX5391N (100kΩ) dual digital potentiometers, respectively. The MAX5391L/MAX5391N dual volatile potentiometers communicate through an SPI™-compatible 3-wire serial interface.

The MAX5391LEVMINIQU+ and MAX5391NEVMINIQU+ evaluation systems (EV systems) include the MAX5391L EV kit and MAX5391N EV kit, respectively, and a MINIQUSB+ interface board. The MINIQUSB+ interface board can be used to enable PC communication through the USB interface. Windows® 2000-, Windows XP®-, and Windows Vista®-compatible software provides a professional user interface for exercising the MAX5391L/MAX5391N features. The program is menu-driven and offers a graphical user interface (GUI) complete with buttons, track bars, and edit boxes. The EV kit software can be used to evaluate the MAX5386M, MAX5393, and MAX5388. The EV kits can also be interfaced directly to a user-supplied 3-wire system.

The MAX5391L/MAX5391N ICs can be powered from a 1.7V, 2.6V, 3.3V, or 5V source generated from the MINIQUSB+ interface board and EV kit circuitry, or a user-supplied external 1.7V to 5.25V DC power supply. Order the MAX5391LEVMINIQU+ or MAX5391NEVMINIQU+ EV system for a PC-based evaluation of the MAX5391L or MAX5391N, respectively.

The EV kits also contain PCB footprints for the MAX5386M, MAX5388, and MAX5393. To evaluate these parts, order samples and install the ICs on U1, U4, and U3, respectively.

Applications

  • Adjustable Voltage References/Linear Regulators
  • Automotive Electronics
  • Low-Voltage Battery Applications
  • Mechanical Potentiometer Replacement
  • Offset and Gain Control
  • Portable Electronics

MAX5386MEVMINIQU

Evaluation System for the MAX5386, MAX5388, MAX5391, and MAX5393

Buy Now View Details

Features and Benefits

  • 2.6V to 5.25V Single-Supply Operation
  • PC USB to 3-Wire Interface or Stand-Alone 3-Wire Serial-Interface Operation
  • Easy-to-Use Menu-Driven Software
  • Includes Windows 2000-, Windows XP-, and Windows Vista-Compatible Software
  • Fully Assembled and Tested

Product Details

The MAX5386M evaluation kit (EV kit) is an assembled and tested PCB that features the MAX5386M 50kΩ dual digital potentiometers. The MAX5386M IC features dual volatile 50kΩ 256-tap, potentiometers and communicates through an SPI™-compatible serial interface.

The MAX5386MEVMINIQU+ evaluation system (EV system) includes the EV kit and the MINIQUSB+ interface board. The MINIQUSB+ interface board can be used to enable PC communication through the 3-wire serial interface. Windows® 2000-, Windows XP®-, and Windows Vista®-compatible software provides a professional user interface for exercising the MAX5386M's features. The program is menu driven and offers a graphical user interface (GUI) complete with buttons, track bars, and edit boxes. The MAX5386M EV kit software can also be used to evaluate the MAX5386L, MAX5386N, MAX5388, MAX5391, and MAX5393. The EV kit can also be interfaced directly to a user-supplied 3-wire system.

The MAX5386M IC can be powered from a 2.6V, 3.3V, or 5V source generated from the MINIQUSB+ interface board and EV kit circuitry, or a user-supplied external 2.6V to 5.25V DC power supply. Order the MAX5386MEVMINIQU+ for a complete PC-based evaluation of the MAX5386M.

The EV kit also contains PCB footprints for the MAX5388, MAX5391, and MAX5393. To evaluate these parts, order samples and fit the parts in places U4, U2, and U3, respectively.

Applications

  • Adjustable Voltage References/Linear Regulators
  • Automotive Electronics
  • Low-Voltage Battery Applications
  • Mechanical Potentiometer Replacement
  • Offset and Gain Control
  • Portable Electronics
MAX5391NEVMINIQU
Evaluation Systems for the MAX5386M, MAX5388, MAX5391, and MAX5393
MAX5391LEVMINIQU
Evaluation Systems for the MAX5386M, MAX5388, MAX5391, and MAX5393
MAX5386MEVMINIQU
Evaluation System for the MAX5386, MAX5388, MAX5391, and MAX5393

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