MAX5428 Overview
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...
MAX5428 Key Features
- 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 Thin 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