DS18S20 ,High-Precision 1-Wire Digital Thermometer, -55°C to +125°C Temperature Range

The DS18S20 is a high-precision 1-wire digital thermometer capable of measuring temperatures between -55C to +125C. It provides 9-bit Celsius temperature measurements with 0.5C accuracy from -10C to +85C. Designed for simplicity, it communicates via a 1-Wire interface that requires only one data line (and ground), making it ideal for microcontroller-based systems.

This device supports two power modes: parasite power, where it draws power directly from the data line, or an external power source mode. Each DS18S20 has a unique 64-bit serial code, enabling multiple sensors to coexist on the same 1-Wire bus. Its nonvolatile memory stores alarm trigger points for seamless temperature monitoring.

Applications include thermostatic controls, industrial systems, HVAC environmental control, and thermal monitoring in consumer electronics. Its low power consumption and compatibility with a wide temperature range make it an efficient solution for diverse thermal management needs.

Key Features :

• High Precision: Measures temperatures from -55C to +125C with 0.5C accuracy from -10C to +85C.
• 1-Wire Interface: Requires only one data line for communication, simplifying integration.
• Energy Efficient: Operates in parasite power mode, eliminating the need for an external power supply.
• Unique Serial Code: Each device has a 64-bit unique code for distributed temperature sensing.
• Nonvolatile Memory: Onboard EEPROM stores user-defined temperature limits and settings.
• Wide Supply Voltage Range: Operates from 3.0V to 5.5V with low active current of 1mA.