The Maxim Integrated DS1821S is a versatile and programmable thermostat that offers precise temperature control for a wide range of applications. This compact, digital thermometer and thermostat integrates a unique combination of features that make it an ideal solution for temperature-sensitive systems.

Key Features

• Programmable Temperature Settings: The DS1821S allows users to set both nonvolatile temperature high and low trigger points, providing flexibility and precision in temperature control.
• Digital Output: This device includes a digital output that can be used as a thermostat output or can be configured to indicate when a user-defined temperature limit has been exceeded.
• Wide Operating Range: With an operating temperature range from -55°C to +125°C, the DS1821S is suitable for a variety of harsh environments and demanding applications.
• High Accuracy: The device offers a ±1°C accuracy from -10°C to +85°C, ensuring reliable and consistent temperature readings.
• Low Power Consumption: Designed for energy efficiency, the DS1821S operates on a low supply voltage from 2.7V to 5.5V, making it suitable for battery-powered applications.
• Easy Interface: The thermostat can be easily interfaced with a microcontroller or other logic circuitry through its 1-Wire® interface, simplifying integration into existing systems.

Applications

The DS1821S is a versatile component that can be used in various applications, including but not limited to:

• Environmental Control Systems
• Computer Peripherals and Servers
• Industrial Systems
• Consumer Electronics
• Portable Battery-Powered Devices

Whether you are developing a sophisticated climate control system or simply need reliable temperature monitoring for your electronics, the Maxim Integrated DS1821S Programmable Thermostat is a robust and flexible choice that offers exceptional performance and ease of use.