MAX5432 Datasheet | Maxim Integrated

Description The MAX5432- MAX5435 nonvolatile, linear-taper, digital potentiometers perform the function of a mechanical potentiometer, but replace the mechanics with a simple 2-wire serial interface. Each device performs the same function as a discrete potentiometer or a variable resistor and has 32 tap points. The MAX5432- MAX5435 feature an internal, nonvolatile, electrically erasable programmable read-only memory (EEPROM) that returns the wiper to its previously stored position at power-up. The fast-mode I 2C-patible serial interface allows munication at data rates up to 400kbps, minimizing board space and reducing interconnection plexity. Each device is available with multiple factory-preset I2C addresses (see the Ordering Information/Selector Guide). Use the MAX5432- MAX5435 in applications requiring digitally controlled resistors. Two resistance values are available (50kΩ and 100kΩ) in a voltage-divider or variable resistor configuration. The nominal resistor temperature coefficient is 35ppm/°C end-to-end, and only 5ppm/°C ratiometric, making the devices ideal for applications requiring a low-temperature-coefficient variable resistor such as low-drift, programmable-gain amplifier circuit configurations. The MAX5432/MAX5433 are available in a 3mm x 3mm 8-pin TDFN package and the MAX5434/MAX5435 are available in a 6-pin thin SOT23 package. The MAX5432- MAX5435 are specified over the extended (-40°C to +85°C) temperature range. Features - Tiny 3mm x 3mm 8-Pin TDFN and 6-Pin Thin SOT23 Packages - Power-On Recall of Wiper Position from Nonvolatile Memory - 35ppm/°C End-to-End Resistance Temperature Coefficient - 5ppm/°C Ratiometric Temperature Coefficient - 50kΩ/100kΩ Resistor Values - Fast 400kbps I2C-patible Serial Interface - 500n A (typ) Static Supply Current - +2.7V to +5.25V Single-Supply Operation - 32 Tap Positions - ±0.15 LSB INL (typ), ±0.15 LSB DNL (typ) MAX5432- MAX5435 Pin Configurations TOP VIEW + H 1 SDA 2 GND 3 SCL 4 MAX5432 MAX5433 8 W 7 L 6 A0 5...