MAX31723

PRODUCTION

Digital Thermometers and Thermostats with SPI/3-Wire Interface

Industry's First Low-Voltage 3-Wire/SPI Temperature Sensors Enable Easy Implementation Into Low-Power Systems

Data Sheet (Rev. 3) Product Selection Table
Part Models
2
1ku List Price
Starting From $2.35
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Part Details

  • 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
MAX31723
Digital Thermometers and Thermostats with SPI/3-Wire Interface
MAX31722, MAX31723: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

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Software Resources

Device Drivers 1

Hardware Ecosystem

Parts Product Life Cycle Description
Digital Temperature Sensors 3
DS1620
PRODUCTION Digital Thermometer and Thermostat
DS1722
PRODUCTION Digital Thermometer with SPI/3-Wire Interface
DS75LV
PRODUCTION Digital Thermometer and Thermostat
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Tools & Simulations

IBIS Model 1

Evaluation Kits

MAXWINGDEMO1

Evaluation Kit for the MAX44009, MAX31723, MAX98300, MAX5216

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Features and Benefits

  • MAX44009 Optical Sensor (I2C)
  • MAX31723 Temperature Sensor (SPI)
  • MAX5216 Digital-to-Analog Convertor (SPI)
  • MAX98300 Class-D Audio Amplifier with On-Board SMD Speaker

Product Details

The MAXWINGDEMO1# evaluation kit is a serial bus experimentation platform that builds upon the MAX32620FTHR board by adding several SPI and I2C peripherals in a featherwing form factor. The MAX32620FTHR is available separately.

The kit includes the following items:

  • MAXWINGDEMO1# Featherwing printed circuit board

Applications

  • Cellular Phones/Smartphones
  • Digital Lighting Management
  • Portable Devices
  • Security Systems
  • Tablet PCs/Notebook Computers
  • TVs/Projectors/Displays

eval board
schematic 1
MAX31723PMB1

MAX31723PMB1 Peripheral Module

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Features and Benefits

  • Measures Temperatures from -55°C to +125°C
  • Thermometer Accuracy is ±0.5°C
  • Thermometer Resolution is Configurable from 9 Bits to 12 Bits
  • Thermostat Output with User-Defined Nonvolatile Thresholds
  • SPI or 3-Wire Interface Selectable through Jumpers
  • 6-Pin Pmod-Compatible Connector (SPI/GPIO)
  • Example Software Written in C for Portability
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX31723PMB1 peripheral module provides the necessary hardware to interface the MAX31723 digital thermometer and thermostat to any system that utilizes Pmod™-compatible expansion ports configurable for SPI and/or GPIO communication. The IC provides temperature-to-digital conversion with no additional components. 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 bits 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 (THIGH and TLOW).
Refer to the MAX31723 IC data sheet for detailed information regarding operation of the IC.

Applications

  • Industrial Equipment
  • Medical Systems
  • Networking Equipment

MAXPMBAE

Maxim Analog Essentials Collection of Peripheral Modules

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Features and Benefits

  • Data Converter, Interface, Clock, Sensor, and Other Modules Included to Address Many Design Needs
  • Plug in Modules Enable Rapid Hardware Prototyping
  • Proven Software Drivers Reduce Development Time
  • FPGA Configuration Files Included to Simplify Design Effort

Product Details

Maxim Analog Essentials is a collection of peripheral modules which can plug directly into any FPGA/CPU expansion port which follows the Pmod™ standard established by Digilent, Inc. The collection includes modules containing a wide variety of commonly used analog and mixed signal functions. The modules are supported by software which includes FPGA configuration files for three popular FPGA platforms: Avnet LX-9, Digilent Nexys 3 and Avnet ZEDBoard, as well as example programs to exercise and demonstrate each module. While the example programs demonstrate the module’s functionality, they are well partitioned and documented allowing the core routines to be easily cut and pasted into your own programs. The combination of plug-in simplicity and easy software integration allows for quick migration from idea to working prototype.
MAXWINGDEMO1
Evaluation Kit for the MAX44009, MAX31723, MAX98300, MAX5216
MAX31723PMB1
MAX31723PMB1 Peripheral Module
MAX31723PMB1 Board Photo
MAXPMBAE
Maxim Analog Essentials Collection of Peripheral Modules

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