Manufacturer Part Number
DS18B20Z
Manufacturer
Maxim Integrated
Introduction
The DS18B20 is a digital temperature sensor that provides 12-bit Celsius temperature measurements. The DS18B20 communicates over a 1-Wire bus that by design requires only one data line (and ground) for communication with a central microprocessor.
Product Features and Performance
Digital temperature sensor with 12-bit resolution
Programmable resolution from 9 to 12 bits
Measures temperatures from -55°C to +125°C
Operates from 3.0V to 5.5V
Thermometer accuracy of ±0.5°C over the -10°C to +85°C temperature range
Product Advantages
Digital output eliminates analog-to-digital conversion errors
1-Wire interface requires only one data connection
Programmable resolution for optimal power/time trade-offs
Parasitic power mode requires only 2 connections
Key Technical Parameters
Voltage Supply: 3V to 5.5V
Operating Temperature: -55°C to +125°C
Test Condition: -10°C to +85°C (-55°C to +125°C)
Resolution: 12-bit
Accuracy: ±0.5°C (±2°C)
Quality and Safety Features
RoHS non-compliant
Manufacturer's packaging: 8-SOIC
Compatibility
Sensor Type: Digital, Local
Sensing Temperature Range: -55°C to +125°C
Output Type: 1-Wire
Mounting Type: Surface Mount
Application Areas
Suitable for a wide range of temperature monitoring and control applications
Product Lifecycle
The DS18B20 is an active product, and replacements or upgrades are available from the manufacturer.
Several Key Reasons to Choose This Product
Highly accurate temperature measurement with 12-bit resolution
Programmable resolution for power/time optimization
Simple 1-Wire interface requires minimal connections
Wide operating temperature range from -55°C to +125°C
Robust and reliable digital temperature sensor