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


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Description
FULL DATA SHEET (PDF, 144kB)
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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.

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

    Key Specifications:   Temperature Sensors
    Part Number Sensor Type Functions Interface Remote Channels Accuracy (±°C) Parasite Power Temperature Resolution (Bits) Operating Temp. Range (°C) Smallest Available Package (max w/pins) (mm2) Price**
    MAX6675  Remote
    Thermocouple-to-Digital Converter
    3-Wire/SPI Single 3 No 12 -20 to +85 31 $3.88 @ 1k
    See All Temperature Sensors (99)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    Document Ref.: 19-2235; Rev 1; 2002-05-21
    This page last modified: 2008-03-13


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