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Status

Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 144kB) Download   E-Mail

Description

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

Application Notes

Application Note 687: Distributed Temperature Sensing Improves Reliability - MAX6675 Application Note 3229: Selecting Temperature Sensors for System Measurement and Protection - MAX6675 Application Note 4026: Implementing Cold-Junction Compensation in Thermocouple Applications - MAX6675

Evaluation Kits

MAX6675EVKIT

Design Guides

Thermal Management (PDF)

Reliability Reports

Reliability Report: MAX6675.pdf Show FIT data for: MAX6675

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-4 of 4

MAX6675	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX6675ISA			Active	SOIC(N);8 pin;30.9 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX6675ISA-T			Active	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX6675ISA+			Active	SOIC(N);8 pin;30.9 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX6675ISA+T			Active	SOIC(N);8 pin;30.9 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

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