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
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Overview
Features and Benefits
- 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
Product Details
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.
Applications
- Audio Volume Control
- Liquid-Crystal Display (LCD) Screen Adjustment
- Mechanical Potentiometer Replacements
- Programmable Filters
Product Categories
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
Documentation & Resources
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MAX5475 Reliability Data1/12/2023PDF35K
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Reduce the Chances of Human Error: Part 1, Power and Ground3/8/2011
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Where Is Ground?9/25/2008
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
PCN-PDN Information
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.