Professional IC Distribution & Technical Solutions

The DS1631U+T&R is a digital thermometer and thermostat manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

Specifications:

• Temperature Range:
• Operating: -55°C to +125°C
• Accuracy: ±0.5°C (0°C to +70°C)
• Resolution: 9 to 12 bits (user-selectable)
• Supply Voltage: 2.7V to 5.5V
• Current Consumption:
• Active Mode: 1mA (typical)
• Standby Mode: 750µA (typical)
• Interface: I²C-compatible (2-wire serial)
• Hysteresis: Programmable (0°C to 15°C)
• Package: 8-pin µSOP (T&R = Tape and Reel packaging)

Descriptions:

• The DS1631U+T&R is a high-precision digital thermometer with an integrated thermostat.
• It provides temperature readings in digital format via an I²C interface, eliminating the need for external calibration.
• The thermostat function allows user-programmable trip points (TH and TL) with nonvolatile storage.
• It supports both one-shot and continuous temperature conversion modes.

Features:

• Digital Temperature Sensing: Converts temperature directly to a digital value.
• Programmable Thermostat: Configurable high/low trip points with hysteresis.
• Nonvolatile Memory: Stores user settings (TH, TL, and configuration) without power.
• Low Power Consumption: Suitable for battery-powered applications.
• Small Form Factor: 8-pin µSOP package for space-constrained designs.
• Wide Voltage Range: Operates from 2.7V to 5.5V, compatible with most systems.

This device is commonly used in industrial control, environmental monitoring, and consumer electronics where precise temperature measurement and control are required.