DS18B20+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS18B20+

Manufacturer

Maxim Integrated

Introduction

The DS18B20+ is a digital temperature sensor that provides 12-bit temperature measurements and communicates over a 1-Wire bus. Each DS18B20+ has a unique 64-bit serial code, which allows multiple DS18B20+ devices to function on the same 1-Wire bus.

Product Features and Performance

12-bit temperature sensor with temperature range of -55°C to +125°C

Programmable resolution from 9 to 12 bits

Unique 64-bit serial number

Operates from 3V to 5.5V

Converts temperature to digital word in 750ms (max)

Measures temperatures from -55°C to +125°C

Thermometer resolution is 0.0625°C

Thermometer accuracy is ±0.5°C from -10°C to +85°C and ±2°C from -55°C to +125°C

Product Advantages

1-Wire interface requires only one data line and ground for communication

Unique 64-bit serial number provides built-in error checking

Programmable resolution from 9 to 12 bits

Temperature readings are powers of 2 (1°C = 16 counts)

Thermometer temperature can be queried at any time

Allows multiple sensors on one data line

Key Technical Parameters

Voltage Supply: 3V ~ 5.5V

Operating Temperature: -55°C ~ 125°C

Resolution: 12 bits

Accuracy Highest (Lowest): ±0.5°C (±2°C)

Sensor Type: Digital, Local

Sensing Temperature Local: -55°C ~ 125°C

Output Type: 1-Wire

Quality and Safety Features

RoHS3 compliant

Manufacturer's packaging: TO-92-3

Compatibility

Compatible with a variety of microcontrollers and systems that support the 1-Wire protocol

Application Areas

Temperature monitoring and control in various industries, including HVAC, industrial, automotive, and consumer electronics

Product Lifecycle

This is an active product and is not nearing discontinuation

Replacements and upgrades are available from Maxim Integrated

Key Reasons to Choose This Product

Precise 12-bit temperature measurement with ±0.5°C accuracy

Programmable resolution for optimizing performance and power consumption

Unique 64-bit serial number for easy identification and error checking

1-Wire interface for simple integration into systems

Wide operating temperature range of -55°C to 125°C

RoHS3 compliance for use in a variety of applications

Long product lifecycle with available replacements and upgrades