Analog Devices MAX31723 Product Info

• Maximize System Accuracy in Broad Range of Thermal Management Applications
  • Measures Temperature from -55°C to +125°C
  • MAX31722 Thermometer Accuracy of ±2°C
  • MAX31723 Thermometer Accuracy of ±0.5°C
  • Configurable Resolution from 9 Bits to 12 Bits (0.5°C to 0.0625°C Resolution)
• Reduce Cost with No External Components
• Extend Performance with Low-Voltage, 1.7V to 3.7V Power-Supply Range
• Dedicated Thermostat Output with Nonvolatile User-Defined Thresholds for Quick Detection
• Selectable SPI or 3-Wire Interface for Added Flexibility
• Available in 8-Pin µMAX^® Package for Board Space Savings

The MAX31722/MAX31723 digital thermometers and thermostats with an SPI/3-wire interface provide temperature readings that indicate the device temperature. No additional components are required; the devices are truly temperature-to-digital converters. Temperature readings are communicated from the device over an SPI interface or a 3-wire serial interface. The choice of interface is selectable by the user. For applications that require greater temperature resolution, the user can adjust the readout resolution from 9 to 12 bits. This is particularly useful in applications where thermal runaway conditions must be detected quickly. The thermostat has a dedicated open-drain output (active-low TOUT). Two thermostat operating modes, comparator and interrupt, control thermostat operation based on user-defined nonvolatile trip points (T_HIGH and T_LOW). Both devices feature a 1.7V to 3.7V supply rail.

Applications

• Any Thermally Sensitive Systems
• Cellular Base Stations
• Industrial Equipment
• Networking Equipment