MAX31723
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MAX31723

Digital Thermometers and Thermostats with SPI/3-Wire Interface

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

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Info: : PRODUCTION tooltip
Part Models 2
1ku List Price Starting From $2.35
Features
  • 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
Additional Details
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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 (THIGH and TLOW). Both devices feature a 1.7V to 3.7V supply rail.

Applications

  • Any Thermally Sensitive Systems
  • Cellular Base Stations
  • Industrial Equipment
  • Networking Equipment
Part Models 2
1ku List Price Starting From $2.35

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Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX31723MUA+
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Product Lifecycle

PCN

Sep 19, 2018

- 1753N

ASSEMBLY

MAX31723MUA+

PRODUCTION

MAX31723MUA+T

PRODUCTION

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PCN

Sep 19, 2018

- 1753N

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ASSEMBLY

MAX31723MUA+

PRODUCTION

MAX31723MUA+T

PRODUCTION

Software & Part Ecosystem

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Evaluation Kits 3

MAXWINGDEMO1

Evaluation Kit for the MAX44009, MAX31723, MAX98300, MAX5216

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MAXWINGDEMO1

Evaluation Kit for the MAX44009, MAX31723, MAX98300, MAX5216

Evaluation Kit for the MAX44009, MAX31723, MAX98300, MAX5216

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 Detail

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
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MAX31723PMB1

MAX31723PMB1 Peripheral Module

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MAX31723PMB1

MAX31723PMB1 Peripheral Module

MAX31723PMB1 Peripheral Module

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 Detail

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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MAXPMBAE

Maxim Analog Essentials Collection of Peripheral Modules

Maxim Analog Essentials Collection of Peripheral Modules

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 Detail

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.

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