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Interactive Data Sheet

Overview

Features and Benefits

  • High Accuracy and Precision
    • ±0.1°C Accuracy from +30°C to +50°C
    • ±0.3°C Accuracy from 0°C to +70°C
  • Long Battery Life
    • 1.7V to 3.6V Operating Voltage
    • 67µA Operating Current During Measurement
    • 0.6µA Average Current Measuring at 0.25sps
    • 16ms Integration Time
  • Small Size and Innovative Package
    • Tiny 2mm x 2mm LGA Package
    • Up to 32 Unique Physical Location Addresses
  • Safety and Compliance
    • Unique ROM IDs Allow Device to be NIST Traceable
    • High and Low Temperature Alarms
  • Simple and Robust Digital Interface
    • 1-Wire® Interface
    • Cyclic Redundancy Check (CRC)
    • Multidrop Capability
    • IEC 61000-4-2 ESD: ±15kV Air Gap, ±6kV Contact

Product Details

The MAX30207 is a low-power, high-accuracy digital temperature sensor with ±0.1°C accuracy from +30°C to +50°C and ±0.3°C accuracy from 0°C to +70°C. It provides a 16-bit resolution (0.005°C).

The 2mm x 2mm x 0.75mm package design has extremely low thermal mass and can be mounted on a flex PCB with only two conducting traces, allowing for minimal thermal conduction to the system PCB and accurate temperature measurements.

Data is transferred serially through the 1-Wire® protocol, which requires only one data line and a ground reference for communication. Power to the device is also provided using the same data line used for communication using parasite power circuitry inside the device. Each MAX30207 has its own unique 64-bit registration number factory programmed into the chip. This unique 64-bit registration number acts as the node address in a multidrop 1-Wire® network. In multidrop networks, optional GPIO pins may be used as address bits to identify each device's physical location.

Applications

  • Internet of Things (IoT) Sensors
  • Medical Thermometers
  • Wearable Body Temperature Monitors

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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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