Single-Channel, 128-/64-/32-Position, I2C, ±8%Resistor Tolerance, Nonvolatile Digital Potentiometer

 

GENERAL DESCRIPTION
The AD5110/AD5112/AD5114 provide a nonvolatile solution for 128-/64-/32-position adjustment applications, offering guaranteed low resistor tolerance errors of ±8% and up to ±6 mA current density in the A, B, and W pins. The low resistortolerance, low nominal temperature coefficient and high bandwidth simplify open-loop applications, as well as tolerance matching applications. The new low wiper resistance feature minimizes the wiperresistance in the extremes of the resistor array to only 45 Ω,typical. The wiper settings are controllable through an I2C-compatible digital interface that is also used to readback the wiper registerand EEPROM content. Resistor tolerance is stored withinEEPROM, providing an end-to-end tolerance accuracy of 0.1%.

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