ADI DS1821C

Part points

• The DS1821C chip is a temperature sensor and thermostat. It can measure temperatures ranging from -55°C to 100°C with an accuracy of ±0.5°C. The chip has a 12-bit digital output and provides programmable temperature alarms. It operates on a 3.0V to 5.5V power supply and comes with a 1-Wire interface, allowing multiple sensors to be connected in a network. The DS1821C chip is commonly used in applications requiring precise temperature monitoring and control.

• Equivalent

  There are no direct equivalent products of the DS1821C chip. However, other temperature sensor chips from different manufacturers, such as the MCP9808 or the LM35, can be used as alternatives, depending on the specific requirements of the application.

• Features

  The DS1821C is a high-precision digital thermometer and thermostat chip. It features a wide temperature measurement range (-55°C to +125°C), high accuracy (±0.5°C), and supports both Fahrenheit and Celsius scales. It also includes nonvolatile memory, programmable temperature thresholds, and a 2-wire serial interface for easy integration into various applications.

• Pinout

  The DS1821C is a 3-pin temperature sensor and thermostat. Its pins include VDD (power supply input), GND (ground), and DQ (data input/output). The sensor measures temperature and provides digital output through DQ, enabling communication with various devices such as microcontrollers or other digital systems.

• Manufacturer

  The DS1821C is manufactured by Maxim Integrated. It is an American multinational company that designs, manufactures, and sells analog and mixed-signal integrated circuits. Maxim Integrated specializes in providing solutions for a wide range of industries including automotive, consumer electronics, industrial, and healthcare.

• Application Field

  The DS1821C is a digital temperature sensor with nonvolatile memory. It can be used in various applications such as computer systems, power management, industrial automation, HVAC systems, and temperature monitoring systems.

• Package

  The DS1821C chip is available in a 3-pin TO-92 package type. It has a form factor of a small, epoxy-encapsulated chip with three pins for connectivity. The size of the chip is typically around 5.33mm x 4.83mm x 4.83mm.