MAX31855PMB1

MAX31855PMB1 Peripheral Module


Please check latest availability status for a specific part variant.

Description

The MAX31855PMB1 peripheral module provides the necessary hardware to interface the MAX31855 cold-junction compensated thermocouple-to-digital converter to any system that utilizes Pmod™-compatible expansion ports. The IC performs cold-junction compensation and digitizes the signal from a thermocouple. Versions of the IC are available that operate with a K-, J-, N-, T-, R-, or E-type thermocouple. This module is set up to operate with a K-type thermocouple. The data is output in a signed 14-bit, SPI-compatible, read-only format. This converter resolves temperatures to 0.25°C, allows readings as high as +1800°C and as low as -270°C, and exhibits thermocouple accuracy of ±2°C for temperatures ranging from -200°C to +700°C for K-type thermocouples.

For full range accuracies, other thermocouple types, and detailed information regarding operation of the IC, refer to the MAX31855 IC data sheet.

Note: K-type thermocouple is not included with Maxim Peripheral Module collections.

MAX31855PMB1 Board Photo MAX31855PMB1 Board Photo Enlarge+

Key Features

  • Converts Output of a K-Type Thermocouple Directly to a Signed 14-Bit Digital Word
  • Cold-Junction Compensation
  • 14-Bit, 0.25°C Resolution
  • Detects Thermocouple Shorts to GND or VCC
  • Detects Open Thermocouple
  • 6-Pin Pmod-Compatible Connector (SPI)
  • Example Software Written in C for Portability
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested

Applications/Uses

  • Appliances
  • Automotive
  • HVAC
  • Industrial Equipment

Technical Documents

User Guide 5483 Analog Essentials Getting Started Guide for Zedboard
Brochure 5468 Maxim Analog Essentials Collection
User Guide 5466 Analog Essentials Getting Started Guide for LX9 and Nexys3

Quality and Environmental Data

Request Reliability Report for: MAX31855PMB1 
Lead-Free Package Tin (Sn) Whisker Reports
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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