Maxim Integrated

MAX31855KASA+T

Sensor and Detector Interfaces

Manufacturer
MPN
MAX31855KASA+T
Package / Case
SO-8
Key Attributes
Cold-Junction Compensated Thermocouple-to-Digital Converter

Technical Specifications

TypeDescription
Working Voltage V3.3 V
InterfaceSPI
Iq A0.002 A
The Chip TypeThermocouple-to-Digital Converter
Integral non - linearity-
TypeDescription
Resolution (Bits)14;-
FeaturesBuilt-in temperature sensor
Operating Temp-40°C ~ +125°C
Channels-
Package / CaseSO-8

Product Introduction

The MAX31855 performs cold-junction compensation and digitizes the signal from a K-, J-, N-, T-, S-, R-, or E-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 and other thermocouple types, see the Thermal Characteristics specifications.

Features

  • Integration Reduces Design Time and Lowers System Cost
  • 14-Bit, 0.25 °C Resolution Converter
  • Integrated Cold-Junction Compensation
  • Versions Available for Most Common Thermocouple Types: K-, J-, N-, T-, S-, R-, and E-Type
  • Detects Thermocouple Shorts to GND or VCC
  • Detects Open Thermocouple
  • Interfaces to Most Microcontrollers
  • Simple SPI-Compatible Interface (Read-Only)

Applications

  • - Industrial Appliances - HVAC

Datasheet

📄 Open Download

Alternative Parts

Common MAX31855KASA+T alternatives overseas buyers search for:

Compliance & Export Codes

TypeDetails
RoHSROHS
ECCNEAR99
CNHTS8542399000
USHTS8542390001
TARIC8542399000
TypeDetails
CAHTS8542390000
BRHTS85423999
INHTS85423900
MXHTS8542.39.99

Sourcing Information

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