/
/
/
Data Converters 
/
Digital Potentiometers
/
Top ![]()
Wiper Position Stored After One-Time Fuse Programming User-Defined Power-On Reset Position 35ppm/°C End-to-End Temperature Coefficient and 5ppm/°C Ratiometric Temperature Coefficient 32 Tap Positions Tiny 8-Pin QFN and µMAX Packages Ultra-Low 1.5µA (max) Static Supply Current 2.7V to 5.5V Single-Supply Operation Wiper Position Programmed Through Simple 2-Wire Serial Interface 10kΩ, 50kΩ, and 100kΩ End-to-End Resistances EV Kit Available
MAX5427
32-Tap, One-Time Programmable, Linear-Taper Digital Potentiometers
Maxim Confidential 
MyMaxim SubscriptionsProduct Details
Key Features
Applications/Uses
Parametric specs for Digital Potentiometers
| Steps | 32 |
| # Potentiometers | 1 |
| Control Interface | Up/Down |
| Taper | Linear |
| Wiper Memory | Non-Volatile OTP |
| REND-TO-END (kΩ) | 100 |
| Res. Tol. (%) | 25 |
| Temp. Coeff. (ppm/°C) (typ) | 35 |
| Wiper Resistance (Ω) (typ) | 100 |
| ICC @5V (µA) (max) | 1.5 |
| Package/Pins | TDFN/8 UMAX/8 |
| Budgetary Price (See Notes) | 0.83 |
View More
Simplified Block Diagram
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Parameters
Parametric specs for Digital Potentiometers
| Steps | 32 |
| # Potentiometers | 1 |
| Control Interface | Up/Down |
| Taper | Linear |
| Wiper Memory | Non-Volatile OTP |
| REND-TO-END (kΩ) | 100 |
| Res. Tol. (%) | 25 |
| Temp. Coeff. (ppm/°C) (typ) | 35 |
| Wiper Resistance (Ω) (typ) | 100 |
| ICC @5V (µA) (max) | 1.5 |
| Package/Pins | TDFN/8 UMAX/8 |
| Budgetary Price (See Notes) | 0.83 |
Key Features
Applications/Uses
- Mechanical Potentiometer Replacements
- Products Using One-Time Factory Calibration
Description
The MAX5427/MAX5428/MAX5429 linear-taper digital potentiometers function as mechanical potentiometers, but replace the mechanics with a simple 2-wire digital interface. These digital potentiometers are unique in that they have an optional one-time programmable feature that either sets the wiper's power-on reset (POR) position to a user-defined value, or the wiper can be set and the interface disabled to prevent further adjustment.
The MAX5427 has an end-to-end resistance of 100kΩ, the MAX5428 a resistance of 50kΩ, and the MAX5429 a resistance of 10kΩ. All these devices have 32 wiper positions, operate from a single 2.7V to 5.5V supply, and use less than 1.5µA (max) static supply current.
The MAX5427/MAX5428/MAX5429 are available in 8-pin thin QFN and µMAX® packages. Each device is guaranteed over the extended temperature range of -40°C to +85°C.
The MAX5427 has an end-to-end resistance of 100kΩ, the MAX5428 a resistance of 50kΩ, and the MAX5429 a resistance of 10kΩ. All these devices have 32 wiper positions, operate from a single 2.7V to 5.5V supply, and use less than 1.5µA (max) static supply current.
The MAX5427/MAX5428/MAX5429 are available in 8-pin thin QFN and µMAX® packages. Each device is guaranteed over the extended temperature range of -40°C to +85°C.
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Request a Quote