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MAX6675
Cold-Junction-Compensated K-Thermocouple-to-Digital Converter (0°C to +1024°C)

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Status

Active: In Production.

Description

FULL DATA SHEET Download Rev 1 (PDF, 144kB) E-Mail The MAX6675 performs cold-junction compensation and digitizes the signal from a type-K thermocouple. The data is output in a 12-bit resolution, SPI™-compatible, read-only format. This converter resolves temperatures to 0.25°C, allows readings as high as +1024°C, and exhibits thermocouple accuracy of 8 LSBs for temperatures ranging from 0°C to +700°C. The MAX6675 is available in a small, 8-pin SO package.

An evaluation kit is available: MAX6675EVKIT

Key Features		Applications/Uses
Cold-Junction Compensation Simple SPI-Compatible Serial Interface 12-Bit, 0.25°C Resolution Open Thermocouple Detection		Appliances Automotive Electronics HVAC Industrial

Diagram

Typical Application Circuit

Related Products
MAX6675EVKIT	MAX6675 Evaluation Kit
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Document Ref.: 19-2235 Rev 1; 2002-05-21
This page last modified: 2009-10-15