Manufacturer Part Number
DS18B20U+
Manufacturer
Maxim Integrated
Introduction
The DS18B20U+ is a digital temperature sensor that provides 12-bit temperature measurements and communicates over a 1-Wire interface. It has an operating temperature range of -55°C to 125°C.
Product Features and Performance
Programmable resolution from 9 to 12 bits
Measures temperatures from -55°C to +125°C (-67°F to +257°F)
±0.5°C accuracy from -10°C to +85°C
No external components required
Simplifies PCB layout
Directly generates digital output
Can be powered from data line, no separate power supply needed
Unique 64-bit serial number enables multiple DS18B20s to function on the same 1-Wire bus
Allows for a parasitic power mode that eliminates the need for an external power supply
Product Advantages
Highly accurate and precise temperature measurement
Wide operating temperature range
Programmable resolution for optimizing performance and power consumption
Simple 1-Wire interface for easy integration
Parasitic power mode for reduced wiring
Key Technical Parameters
Voltage Supply: 3V to 5.5V
Operating Temperature: -55°C to 125°C
Resolution: 12 bits
Accuracy: ±0.5°C from -10°C to 85°C
Quality and Safety Features
RoHS3 compliant
8-pin uMAX/uSOP package
Compatibility
Can be used with various microcontrollers and systems that support the 1-Wire interface.
Application Areas
Industrial and commercial temperature monitoring and control
HVAC systems
Appliances
Automotive applications
Medical and scientific instrumentation
Product Lifecycle
The DS18B20U+ is an active, in-production product from Maxim Integrated. There are no known plans for discontinuation, and replacement or upgrade options are available.
Key Reasons to Choose This Product
Highly accurate and precise temperature measurement
Wide operating temperature range
Programmable resolution for optimizing performance and power consumption
Simple 1-Wire interface for easy integration
Parasitic power mode for reduced wiring
RoHS3 compliance for environmental friendliness
Compatibility with various microcontrollers and systems