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DS18B20. from DALLAS,MAXIM - Dallas Semiconductor

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DS18B20.

Manufacturer: DALLAS

High-Precision 1-Wire Digital Thermometer

Partnumber Manufacturer Quantity Availability
DS18B20.,DS18B20 DALLAS 2500 In Stock

Description and Introduction

High-Precision 1-Wire Digital Thermometer The DS18B20 is a digital temperature sensor manufactured by Dallas Semiconductor (now Maxim Integrated). Here are its key specifications:

- **Temperature Range**: -55°C to +125°C (-67°F to +257°F)  
- **Accuracy**: ±0.5°C (from -10°C to +85°C)  
- **Resolution**: User-selectable from 9 to 12 bits (0.5°C, 0.25°C, 0.125°C, 0.0625°C)  
- **Communication Interface**: 1-Wire bus  
- **Power Supply**: 3V to 5.5V  
- **Current Consumption**: 1mA (active), 750nA (standby)  
- **Package Options**: TO-92, SOIC, µSOP  
- **Unique 64-bit Serial Code**: Each device has a factory-programmed ROM ID  
- **Programmable Alarm Function**: High and low temperature thresholds  
- **Parasitic Power Mode**: Can operate without an external power supply (using data line for power)  

The DS18B20 is commonly used in industrial, consumer, and embedded systems for temperature monitoring.

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