MAX5438EUB+ The Analog Devices MAX5438EUB+ is a 100kΩ digital potentiometer featuring 128 tap positions and an SPI interface. It operates over a wide voltage range and temperature spectrum.
Mfr Part #:

MAX5438EUB+

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices MAX5438EUB+ is a 100kΩ digital potentiometer featuring 128 tap positions and an SPI interface. It operates over a wide voltage range and temperature spectrum.
Total Stock: 5,462 pcs
$ Price Range: $1.36

MAX5438EUB+ Available from 1 distributor

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MAX5438EUB+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Configuration
Interface
Lead Spacing
Memory Type
Mounting Type
Number of Circuits
Number of Taps
Operating Temperature
Resistance
Resistance (Ohms)
Supplier Device Package
Tape & Reel
Taper
Temperature Coefficient (Typ)
Tolerance
Voltage

MAX5438EUB+ Description

Short technical summary and product information.

The Analog Devices MAX5438EUB+ is a 128-tap digital potentiometer designed for high-voltage applications. It offers a 100kΩ resistance value with a linear taper and a ±25% tolerance.

 

This device supports single-supply operation from +10V to +30V and dual-supply operation from ±5V to ±15V. It features a 3-wire SPI-compatible serial interface for digital control. The operating temperature range is -40°C to +85°C, ensuring reliable performance in various environments.

 

Packaged in a compact 10-uMAX surface-mount form factor, the MAX5438EUB+ is suitable for space-constrained designs. It includes features like volatile memory and a typical wiper resistance of 900Ω. The typical temperature coefficient is 35ppm/°C end-to-end and 5ppm/°C ratiometric.

 

Applications include LCD screen contrast adjustment, data acquisition systems, and audio volume control, serving as a direct replacement for mechanical potentiometers.

MAX5438EUB+ Quick Information

Product Type: Digital Potentiometer
Canonical Name: MAX5438EUB+ 100kΩ Linear Digital Potentiometer 128-Tap SPI 10-uMAX
Subcategory: Data Acquisition

MAX5438EUB+ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX5438EUB+ Estimated Pricing

Qty Low High
1+ $1.36 $1.36

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX5438EUB+ Features

  • 100kΩ resistance with 128 tap positions.
  • Supports wide voltage supply ranges.
  • SPI serial interface for digital control.
  • Operates from -40°C to +85°C.
  • Compact 10-uMAX surface-mount package.

MAX5438EUB+ Applications

  • LCD screen contrast adjustment.
  • Data acquisition systems.
  • Mechanical potentiometer replacement.
  • Low-drift programmable gain amplifiers.
  • Audio volume control.

MAX5438EUB+ FAQs

5 frequently asked questions generated from this part’s specifications.
What is the resistance of the MAX5438EUB+ digital potentiometer?

The MAX5438EUB+ has a nominal resistance of 100kΩ.

How many tap positions does the MAX5438EUB+ offer?

The MAX5438EUB+ features 128 tap positions.

What is the operating voltage range for the MAX5438EUB+?

The MAX5438EUB+ supports single-supply operation from +10V to +30V and dual-supply operation from ±5V to ±15V.

What is the operating temperature range of the MAX5438EUB+?

The MAX5438EUB+ is rated for an operating temperature range of -40°C to +85°C.

What package type is the MAX5438EUB+ available in?

The MAX5438EUB+ is available in a 10-uMAX package.

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