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MAX5471, MAX5472, MAX5474, MAX5475

32-Tap, Nonvolatile, Linear-Taper Digital Potentiometers in SOT23

Industry's First 32-Tap, Nonvolatile Digital Potentiometers in a SOT23 have Ultra-Low Temperature Drift

Overview

Design Resources

Ordering Info

Status

Active: In Production.

Description

The MAX5471/MAX5472/MAX5474/MAX5475 linear-taper digital potentiometers function as mechanical potentiometers, but replace the mechanics with a simple 3-wire up/down digital interface. These digital potentiometers feature nonvolatile memory (EEPROM) to return the wiper to its previously stored position upon power-up.

The MAX5471/MAX5472 are 2-terminal, variable resistors in 6-pin SOT23 packages. The MAX5474/MAX5475 are 3-terminal potentiometers in 8-pin SOT23 packages.

The MAX5471/MAX5474 have an end-to-end resistance of 50kΩ, and the MAX5472/MAX5475 have an end-to-end resistance of 100kΩ. All of these devices have 32 wiper positions, a low ratiometric temperature coefficient (5ppm/°C), and all operate from a single +2.7V to +5.25V supply. Each device is guaranteed over the extended -40°C to +85°C temperature range.

Data Sheet

Download	Rev 1	(PDF, 296kB)
Email

An evaluation kit is available: MAX5474EVKIT

Key Features

Wiper Position Stored in Nonvolatile Memory and Recalled Upon Power-Up
Tiny SOT23 Package
35ppm/°C End-to-End Resistance Temperature Coefficient
5ppm/°C Ratiometric Temperature Coefficient
32 Tap Positions
Voltage-Divider or Variable-Resistor Potentiometer Configuration
50kΩ and 100kΩ End-to-End Resistance Values
1µA (max) Static Supply Current
2.7V to 5.25V Single-Supply Operation
200,000 Wiper Store Cycles
50-Year Wiper Data Retention

Applications/Uses

Audio Volume Control
Liquid-Crystal Display (LCD) Screen Adjustment
Mechanical Potentiometer Replacements
Programmable Filters

Key Specifications:

Digital Potentiometers

Part Number

Taper

POTs

Control Interface

Wiper Memory

Steps

R_END-TO-END
(kΩ)

Temp. Coeff.
(ppm/°C)

Wiper Resistance
(Ω)

I_CC @5V
(µA)

Budgetary
Price

typ

max

See Notes

MAX5471

Linear

Up/Down

Non-Volatile

600

$0.53 @1k

MAX5472

100

$0.53 @1k

MAX5474

$0.57 @1k

MAX5475

100

$0.57 @1k

See All Digital Potentiometers (128)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Diagram

Pin Configuration

More Information

Topmark Coding	MAX5471
Topmark Coding	MAX5472
Topmark Coding	MAX5474
Topmark Coding	MAX5475
New Product Press Release	[ 2003-11-05 ]

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Information Index

Overview		Design Resources		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Technical Documents Evaluation Kits Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Document Ref.: 19-3067 Rev 1; 2006-02-20
This page last modified: 2009-10-12