MAX31855KASA+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX31855KASA+T

Manufacturer

Analog Devices

Introduction

Digital interface for thermocouples with integrated cold junction compensation

Product Features and Performance

Converts thermocouple temperature to digital value

Cold junction compensation

Detects thermocouple connections

14-bit resolution (0.25°C)

Simple SPI-compatible serial interface

Supports multiple thermocouple types (K, J, N, T, S, E, and R)

Filters common mode noise

Product Advantages

Provides high accuracy for temperature readings

Low power consumption at 900 µA

Wide operating temperature range suitable for various environments

Direct digital output simplifies integration

Key Technical Parameters

Type: Thermocouple to Digital Converter

Input Type: Thermocouple (Multiple)

Output Type: Digital

Current - Supply: 900 µA

Operating Temperature: -40°C ~ 125°C

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Supplier Device Package: 8-SOIC

Quality and Safety Features

Built-in fault detection for open or short-circuit thermocouple diagnosis

Compatibility

SPI interface compatible with most microcontrollers

Application Areas

Industrial temperature monitoring

Consumer electronics

HVAC systems

Temperature data logging

Product Lifecycle

Active status, not near discontinuation

Replacement models or upgrades to be consulted with Analog Devices

Several Key Reasons to Choose This Product

High accuracy ensures reliable temperature measurements

Integrates multiple features reducing external component requirement

Compatibility with many different types of thermocouples offers versatility

Ease of use with SPI interface makes for simple integration with existing systems

Robust design capable of withstanding harsh industrial environments