DS1803E-100+T&R - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS1803E-100+T&R

Manufacturer

Analog Devices

Introduction

Digital potentiometer for data acquisition applications

Product Features and Performance

Two independent potentiometer circuits

256 position linear taper adjustment

I2C serial interface for digital control

Selectable I2C address allows multiple devices on the same bus

Volatile memory retains settings only while powered

Product Advantages

High resolution with 256 taps

Dual-channel control in a single IC

Wide operating voltage range from 2.7V to 5.5V

Compact 14-TSSOP package for space-saving

Key Technical Parameters

Resistance 100k Ohms

Temperature Coefficient 750ppm/°C

Supply Voltage 2.7V to 5.5V

Operating Temperature -40°C to 85°C

Tolerance ±20%

Typical Wiper Resistance 400 Ohms

Quality and Safety Features

Built-in robustness for operation in varied thermal environments

Compatibility

I2C communication for use with various microcontrollers

Application Areas

Automated device calibration

Consumer electronics volume control

Adjustable power supplies

Industrial automation control systems

Product Lifecycle

Active status, not nearing discontinuation

Key Reasons to Choose This Product

Precision control with 256 tap points

Stable performance across a wide temperature range

Ideal for applications needing precise voltage adjustments

Convenient serial communications interface

Multiple devices can be used in parallel with address selection

Supports a broad voltage supply range, enhancing compatibility with other system components

Lightweight, compact surface-mount package for integration into space-constrained designs