Maxim Integrated DS1621 Digital Thermometer and Thermostat

The DS1621 from Maxim Integrated is a high-precision digital thermometer and thermostat that provides temperature readings indicating the device's temperature in Celsius. Designed to offer accuracy and ease of use, this integrated circuit is suitable for a wide range of temperature monitoring applications.

Key Features

• Temperature Measurements: The DS1621 provides direct-to-digital temperature readings over a range of -55°C to +125°C, with an accuracy of ±0.5°C from -10°C to +85°C.
• Programmable Resolution: Users can select the resolution of temperature readings from 9 to 12 bits, allowing for a balance between resolution and conversion time.
• Two-Wire Serial Interface: It employs a simple two-wire serial interface that is compatible with I²C, making it easy to integrate into most microcontroller-based systems.
• Thermostat Function: The DS1621 includes a thermostat function with user-programmable setpoints. This allows the device to signal a microcontroller or other digital system when a preset temperature threshold is reached.
• Software Compatible: The device is fully software compatible with the DS1631 and DS1731.

Applications

The DS1621 is versatile and can be used in a variety of applications, including:

• Environmental Control Systems
• Computer Thermal Monitoring
• Industrial Systems
• Thermally Sensitive Systems

Technical Specifications

The device operates over a power supply range of 2.7V to 5.5V and has an active current of 1mA and a standby current of only 5µA, making it an energy-efficient choice for battery-powered applications. The DS1621 is available in an 8-pin DIP or SO package, allowing for flexibility in design and easy mounting on a PCB.

With its user-friendly features and precise temperature monitoring capabilities, the DS1621 from Maxim Integrated is an excellent choice for designers looking to incorporate reliable temperature sensing and control into their projects.