DS1859B-050 - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS1859B-050

Manufacturer

Analog Devices

Introduction

The DS1859B-050 is a dual-circuit digital potentiometer from Analog Devices, primarily used in data acquisition systems.

Product Features and Performance

Non-volatile memory retains settings

Linear taper configuration

Selectable I2C address facilitates multiple device connections

Integrated temperature sensor

Operates over a wide supply voltage range (2.85V ~ 5.5V)

256 taps for precise resistance adjustments

Product Advantages

High resistance range up to 50k Ohms

Fine resolution with 256 position adjustments

Built-in temperature sensor for environmental monitoring

Non-volatile memory eliminates the need for constant reprogramming

Dual rheostat configuration increases device versatility

Key Technical Parameters

Resistance: 50k Ohms

Number of Circuits: 2

Number of Taps: 256

Interface: I2C

Voltage - Supply: 2.85V ~ 5.5V

Temperature Coefficient: 50ppm/°C

Operating Temperature: -40°C ~ 95°C

Quality and Safety Features

Temperature sensor for thermal protection

Robust tolerance of ±20%

Surface mount package ensures solid and reliable assembly

Compatibility

I2C interface allows for compatibility with most microcontrollers

Compatible with surface mount technology for PCB integration

Application Areas

Precision control systems

Automated test equipment

Data acquisition systems

Automotive electronics

Consumer electronics calibration

Product Lifecycle

Obsolete - check for potential replacement or upgrades from the manufacturer

Several Key Reasons to Choose This Product

256 taps provide accurate and precise control

Integrated temperature sensor for added functionality

Broad voltage supply range for greater flexibility in application

Non-volatile memory enhances ease of use by retaining settings

Robust operating temperature suitable for various environments