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DS1820

1-Wire Digital Thermometer

Partnumber Manufacturer Quantity Availability
DS1820 1046 In Stock

Description and Introduction

1-Wire Digital Thermometer The DS1820 is a digital thermometer manufactured by Dallas Semiconductor (now Maxim Integrated). Here are its key specifications:

1. **Temperature Range**: -55°C to +125°C (-67°F to +257°F).  
2. **Accuracy**: ±0.5°C from -10°C to +85°C.  
3. **Resolution**: 9-bit (0.5°C increments).  
4. **Communication**: 1-Wire® digital interface.  
5. **Power Supply**: 3V to 5.5V.  
6. **Conversion Time**: 750ms (max) for temperature conversion.  
7. **Unique 64-Bit Serial Code**: Each device has a factory-lasered ROM code.  
8. **Package Options**: TO-92, SOIC, or µSOP.  

The DS1820 does not require external components for basic temperature measurement. It is now considered obsolete, with the DS18B20 being its recommended successor.

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