AD8402ARZ1 - Analog Devices Inc.

Manufacturer Part Number

AD8402ARZ1

Manufacturer

Analog Devices

Introduction

The AD8402ARZ1 is a dual-channel digital potentiometer designed for data acquisition and control applications.

Product Features and Performance

Dual-channel potentiometer

256 position resolution

Linear taper characteristic

SPI (Serial Peripheral Interface) for digital communication

Volatile memory type

Product Advantages

Precise adjustment with 256 taps

Low temperature coefficient for stable operation

Compatible with a wide range of voltage supplies

Surface mount device allowing compact PCB design

Key Technical Parameters

1k Ohm resistance per channel

7V to 5.5V supply voltage range

±33% tolerance

700ppm/°C temperature coefficient

200 Ohms typical wiper resistance

Quality and Safety Features

Robust performance across -40°C to 125°C operating temperature range

Compatibility

SPI interface compatible with most microcontrollers

Standard 14-SOIC package compatible with common PCB layouts

Application Areas

Volume controls, LCD screen adjustments, filter adjustments, and other electronic control systems

Product Lifecycle

Active product not nearing discontinuation

Replacements or upgrades are available for future considerations

Several Key Reasons to Choose This Product

High resolution with 256 taps for fine adjustments

Dual channels provide additional control in a single package

SPI interface allows easy integration with digital systems

Wide operating voltage range makes it suitable for various applications

High reliability with stable performance across a wide temperature range