AD5122 - (AD5122 / AD5142) Nonvolatile Digital Potentiometer

Analog Devices

Datasheet Details

Part number	AD5122
Manufacturer	Analog Devices
File Size	1.22 MB
Description	(AD5122 / AD5142) Nonvolatile Digital Potentiometer
Datasheet	AD5122 Datasheet

General Description

The AD5122/AD5142 potentiometers provides a nonvolatile solution for 128-/256-position adjustment applications, offering guaranteed low resistor tolerance errors of ±8% and up to ±6 mA current density in the Ax, Bx, and Wx pins.

The low resistor tolerance and low nominal temperature coefficient simplify open-loop applications as well as applications requiring tolerance matching.

The linear gain setting mode allows independent programming of the resistance between the digital potentiometer terminals, through the RAW and RWB string resistors, allowing very accurate resistor matching.

Overview

Dual Channel, 128-/256-Position, SPI, Nonvolatile Digital Potentiometer Data.

Key Features

10 kΩ and 100 kΩ resistance options Resistor tolerance: 8% maximum Wiper current: ±6 mA Low temperature coefficient: 35 ppm/°C Wide bandwidth: 3 MHz Fast start-up time < 75 µs Linear gain setting mode Single- and dual-supply operation Independent logic supply: 1.8 V to 5.5 V Wide operating temperature:.
40°C to +125°C 3 mm × 3 mm package option 4 kV ESD protection VLOGIC VDD AD5122/AD5142.

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