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DS1821S

Programmable Digital Thermostat

Partnumber Manufacturer Quantity Availability
DS1821S 70 In Stock

Description and Introduction

Programmable Digital Thermostat The DS1821S is a programmable digital thermometer and thermostat manufactured by Maxim Integrated (now part of Analog Devices). Here are its key specifications:  

- **Temperature Range**: -55°C to +125°C  
- **Accuracy**: ±2°C from -10°C to +85°C  
- **Resolution**: 0.5°C  
- **Supply Voltage**: 3V to 5.5V  
- **Current Consumption**: 1mA (active), 750nA (standby)  
- **Interface**: Single-wire (1-Wire®) communication  
- **Programmable Thermostat**: User-configurable trip points (T\_HIGH and T\_LOW)  
- **Nonvolatile Memory**: Stores temperature settings  
- **Package**: 8-pin SOIC  
- **Applications**: Environmental monitoring, industrial control, consumer electronics  

The DS1821S can operate as a standalone thermostat or communicate with a microcontroller via the 1-Wire protocol.

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