MAX31855NASA+ Maxim Integrated Products, MAX31855NASA+ Datasheet
MAX31855NASA+
Manufacturer Part Number
MAX31855NASA+
Description
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX31855JASA.pdf
(13 pages)
Specifications of MAX31855NASA+
Pack_quantity
100
Comm_code
85423990
Lead_time
49
Eccn
EAR99
The MAX31855 performs cold-junction compensation
and digitizes the signal from a K, J, N, T, or E type ther-
mocouple. (Contact the factory for S and R type thermo-
couples.) The data is output in a signed 14-bit, SPI™-
compatible, read-only format. This converter resolves
temperatures to 0.25NC, allows readings as high as
+1800NC and as low as -270NC, and exhibits thermo-
couple accuracy of ±2NC for temperatures ranging from
-200NC to +700NC for K-type thermocouples. For full
range accuracies and other thermocouple types, see the
Thermal Characteristics
SPI is a trademark of Motorola, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Industrial
Appliances
HVAC
Automotive
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specifications.
General Description
0.1µF
Applications
Thermocouple-to-Digital Converter
V
GND
T+
T-
CC
MAX31855
Cold-Junction Compensated
SCK
SO
CS
S Cold-Junction Compensation
S 14-Bit, 0.25NC Resolution
S Versions Available for K, J, N, T, and E Type
S Simple SPI-Compatible Interface (Read-Only)
S Detects Thermocouple Shorts to GND or V
S Detects Open Thermocouple
Ordering Information
For related parts and recommended products to use with this part,
refer to:
Thermocouples (Contact Factory for S and R Type
Availability) (see
www.maxim-ic.com/MAX31855.related
MISO
SCK
SS
Typical Application Circuit
MICROCONTROLLER
appears at end of data sheet.
Table
1)
MAX31855
19-5793; Rev 0; 3/11
Features
CC
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