Sensor Thermocouple-Digital Converter

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

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.

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
Appliances
Automotive
HVAC
Industrial

Specifications
Attribute Value
Mounting Type Surface Mount
Package Type SO
Pin Count 8
Dimensions 5 x 4 x 1.5mm
Height 1.5mm
Length 5mm
Maximum Operating Supply Voltage 3.6 V
Maximum Operating Temperature +400 °C
Minimum Operating Supply Voltage 3 V
Minimum Operating Temperature -250 °C
Width 4mm
500 In stock for delivery within 5 working day(s) (Global Stock)
Price (ex. GST) Each (In a Tube of 100)
$ 7.94
(exc. GST)
$ 8.73
(inc. GST)
units
Per unit
Per Tube*
100 +
$7.94
$794.00
*price indicative
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