MAX31730
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MAX31730

3-Channel Remote Temperature Sensor

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Triple Remote Temperature Sensor Provides Accurate Measurements and Simplifies Overtemperature Notification

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IBIS Model MAX31730 IBIS Model Download 101.02KB
Part Models 4
1ku List Price Starting From $0.98
Features
  • Highest Temperature Register Simplifies and Speeds Overtemperature Notification
  • Accurate Temperature Measurement Helps Designers Meet Error Budgets
    • 12-Bit, 0.0625°C Resolution
    • ±1°C Remote Temperature-Measurement Accuracy (0°C to +100°C)
    • -64°C to +150°C Remote Temperature-Measurement Range
    • Resistance Cancellation for Remote Channels
    • Compensation for Low Beta Transistors
    • Programmable Temperature Thresholds
  • Integration Reduces Cost, Board Area, Power-Supply Current, and Slave Address Usage
    • One Local and Three Remote Temperature-Sensing Channels
    • Eight Selectable Slave Addresses
  • Flexible SMBus/I2C Bus Interfaces to a Variety of Microcontrollers
Additional Details
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The MAX31730 temperature sensor monitors its own temperature and the temperatures of three external diode-connected transistors. The operating supply voltage is from 3.0V to 3.6V. Resistance cancellation compensates for high series resistance in circuit-board traces and the external thermal diode, while beta compensation corrects for temperature-measurement errors due to low-beta sensing transistors.

All temperature channels have programmable temperature thresholds. When the measured temperature of a channel crosses the respective threshold, a status bit is set in the thermal status registers and the open-drain active-low THERM output asserts. A highest temperature register allows the master to obtain the temperature of the hottest channel.

The 2-wire serial interface accepts SMBus protocols (write byte, read byte, send byte, and receive byte) for reading the temperature data and programming the temperature thresholds. Any one of eight available slave addresses can be selected using the address selection input (ADD), which can be connected to ground or connected to a grounded resistor.

The MAX31730 supports 3.0V to 3.6V operation and is specified for a -40°C to +125°C operating temperature range and is available in a 10-pin µMAX® and a 12-pin, 3mm x 3mm TDFN package.

Applications

  • Communications Equipment
  • CPU, FPGA, and ASIC Die Temperature Monitoring
  • Servers
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file View Data Sheet (Rev.2)
Documentation View All Documentation
IBIS Model MAX31730 IBIS Model Download 101.02KB
Part Models 4
1ku List Price Starting From $0.98
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MAX31730

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Data Sheet

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UPDATED 07/02/2015
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MAX31730: 3-Channel Remote Temperature Sensor Data Sheet (Rev.2)

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UPDATED 01/12/2023
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Documentation

Device Drivers 1

MAX31730 GitHub Linux Driver Source Code

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2023-07-12

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MAX31730: 3-Channel Remote Temperature Sensor

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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. View our quality and reliability program and certifications for more information.

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Evaluation Kits 2

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MAX31730UEVKIT

Evaluation Kit for the MAX31730

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MAX31730UEVKIT

Evaluation Kit for the MAX31730

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MAX31730UEVKIT
Evaluation Kit for the MAX31730

Features and Benefits

  • Easy Evaluation of the MAX31730
  • Three External Diode-Connected Transistors
  • EV Kit Hardware is USB Powered (USB Cable Included)
  • USB HID Interface
  • Windows XP®- and Windows® 7-Compatible Software
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX31730 evaluation kit (EV kit) provides the hardware and software graphical user interface (GUI) necessary to evaluate the MAX31730 3-channel remote temperature sensor in a µMAX® or TDFN package. The EV kit includes a MAX31730 installed, as well as three external diode-connected transistors and a USB-to-SMBus/I2C interface.

Applications

  • Communications Equipment
  • CPU, FPGA, and ASIC Die Temperature Monitoring
  • Servers
reference details image

MAX31730TEVKIT

Evaluation Kit for the MAX31730

zoom

MAX31730TEVKIT

Evaluation Kit for the MAX31730

download icon

Download

 print icon

Print
MAX31730TEVKIT
Evaluation Kit for the MAX31730

Features and Benefits

  • Easy Evaluation of the MAX31730
  • Three External Diode-Connected Transistors
  • EV Kit Hardware is USB Powered (USB Cable Included)
  • USB HID Interface
  • Windows XP®- and Windows® 7-Compatible Software
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested
Buy Now View Details

Product Detail

The MAX31730 evaluation kit (EV kit) provides the hardware and software graphical user interface (GUI) necessary to evaluate the MAX31730 3-channel remote temperature sensor in a µMAX® or TDFN package. The EV kit includes a MAX31730 installed, as well as three external diode-connected transistors and a USB-to-SMBus/I2C interface.

Applications

  • Communications Equipment
  • CPU, FPGA, and ASIC Die Temperature Monitoring
  • Servers

Evaluation Kits2

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MAX31730UEVKIT

Evaluation Kit for the MAX31730
evaluation kit item images

MAX31730TEVKIT

Evaluation Kit for the MAX31730

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