Manufacturer Part Number
DS18B20-PAR+T&R
Manufacturer
Maxim Integrated
Introduction
The DS18B20 is a digital thermometer that provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with non-volatile user-programmable upper and lower trigger points.
Product Features and Performance
Digital temperature sensor with 12-bit resolution
Measures temperatures from -55°C to +125°C
Accuracy of ±0.5°C over the -10°C to +85°C range
Programmable resolution from 9 to 12 bits
Alarm function with non-volatile user-programmable upper and lower trigger points
Unique 1-Wire interface requires only one digital pin for communication
Parasitic power mode requires only two pins (DQ and GND)
Operates from 3.0V to 5.5V
Thermometer conversion time is user-selectable as 94ms (9-bit), 188ms (10-bit), 375ms (11-bit), or 750ms (12-bit)
Available in TO-92 package and 8-pin SOIC package
Product Advantages
High accuracy and resolution for precise temperature measurements
Wide operating temperature range suitable for various applications
Programmable resolution and alarm function provide flexibility
Simplified one-wire interface for easy integration into systems
Low power consumption in parasitic power mode
Key Technical Parameters
Voltage Range: 3V to 5.5V
Operating Temperature Range: -55°C to +125°C
Temperature Measurement Range: -55°C to +125°C
Temperature Resolution: 12 bits (0.0625°C/bit)
Temperature Accuracy: ±0.5°C over -10°C to +85°C range
Quality and Safety Features
RoHS3 compliant
Packaged in TO-92 and SOIC packages
Compatibility
The DS18B20 is a widely compatible digital temperature sensor that can be easily integrated into various systems and platforms.
Application Areas
Industrial and commercial temperature monitoring and control
HVAC systems
Appliances
Automotive and transportation
Building automation
Consumer electronics
Product Lifecycle
The DS18B20 is a mature and widely used digital temperature sensor product. It is not nearing discontinuation, and there are no immediate plans for a replacement or upgrade. Maxim Integrated continues to support and manufacture the DS18B20.
Several Key Reasons to Choose This Product
High accuracy and resolution for precise temperature measurements
Wide operating temperature range suitable for diverse applications
Programmable resolution and alarm function for added flexibility
Simplified one-wire interface for easy integration into systems
Low power consumption in parasitic power mode for energy-efficient designs
Reliable and long-standing product with continued support from the manufacturer